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Apudoma, Neuroendocrine Tumor (Intestinal Tumor) in Dogs

Occurrence: very rare
Location of illness: Abdomen/pelvis

Author: Dr. med. vet. Gisa Löwe | Last modified: 06.11.2025

An apudoma, also known as a neuroendocrine tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. in the intestineThe intestine is the medical term for the gut, including the small intestine (intestinum tenue) and the large intestine (intestinum crassum). It plays a central role in the digestion and absorption of nutrients., is a rare type of tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. that arises from neuroendocrine cellsNeuroendocrine cells are specialized cells that perform both nerve and hormone functions. They are present in various organs and involved in the regulation of metabolic processes, blood pressure, and other important bodily functions in dogs and cats. in a dog’s digestive tract. These cells are responsible for producing hormones and other chemical messengers that regulate various bodily functions.

The most important facts at a glance

Neuroendocrine tumors (NETs) in dogs arise from special cells that have both nervous and hormone-producing functions. These cells are located throughout the body, including the gastrointestinalGastrointestinal refers to the gastrointestinal tract, a system that extends from the oral cavity to the anus and is responsible for the digestion of food and the absorption of nutrients. tract. When these cells proliferate uncontrollably, Tumors such as apudomas can develop. The exact causes are still unclear, but genetic factors and environmental conditions could play a role. Symptoms of these Tumors can be Vomiting, Weight loss, loss of appetite, and DiarrheaDiarrhea refers to the condition of frequent, watery bowel movements, which can be a sign of infections, digestive disorders, or other health problems.. DiagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. is made through a clinical examination, imaging procedures such as ultrasoundUltrasound refers to sound waves that are above the hearing threshold of the human ear. In medicine, ultrasound is used for diagnostic imaging procedures to visualize internal organs, tissues, and blood flow. or X-rayX-ray is an imaging technique that uses X-rays to create images of the inside of the body. It is often used to diagnose bone fractures, lung diseases, and other conditions., and a biopsyA biopsy is a medical procedure in which a small amount of tissue is removed from the body to be examined under a microscope for signs of disease. Biopsies can help diagnose cancer and other conditions. of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. tissue. Blood tests can reveal hormonal activities of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions..

Treatment depends on the size and location of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions.. Surgical removal is often the best option, while chemotherapyChemotherapy refers to the treatment of diseases, especially cancer, with chemical substances or drugs. It aims to kill cancer cells or prevent their growth, but can also affect healthy cells. or targeted therapies are used when surgery is not possible. Hormonally active Tumors can be treated with medication to relieve symptoms. The prognosisThe prognosis is the prediction of the likely course and outcome of a disease based on the general state of health, the nature of the disease, and the response to treatment. It can provide information on how a disease is expected to develop. varies greatly, depending on factors such as tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. size and metastasisA metastasis is a secondary tumor that originates from a primary, malignant tumor in another part of the body. Metastases indicate that cancer has spread in the body.. Preventions are difficult to define, but a healthy diet and regular veterinary examinations can help detect health problems early. Research focuses on genetic analyses and the development of new diagnostic and treatment methods, including immunotherapies.

Causes

Neuroendocrine tumors (NETs) arise from neuroendocrine cellsNeuroendocrine cells are specialized cells that perform both nerve and hormone functions. They are present in various organs and involved in the regulation of metabolic processes, blood pressure, and other important bodily functions in dogs and cats., which have characteristics of both nerve cells and hormone-producing cells. These cells are present in various organs of the body, including the gastrointestinalGastrointestinal refers to the gastrointestinal tract, a system that extends from the oral cavity to the anus and is responsible for the digestion of food and the absorption of nutrients. tract, and play a crucial role in regulating digestion and other physiological processes.

In the intestineThe intestine is the medical term for the gut, including the small intestine (intestinum tenue) and the large intestine (intestinum crassum). It plays a central role in the digestion and absorption of nutrients., neuroendocrine cellsNeuroendocrine cells are specialized cells that perform both nerve and hormone functions. They are present in various organs and involved in the regulation of metabolic processes, blood pressure, and other important bodily functions in dogs and cats. are responsible for releasing hormones such as serotonin and gastrin, which control gastrointestinalGastrointestinal refers to the gastrointestinal tract, a system that extends from the oral cavity to the anus and is responsible for the digestion of food and the absorption of nutrients. motility and gastric acid secretion. When these cells proliferate uncontrollably, it can lead to the formation of Tumors, known as apudomas or neuroendocrine tumors.

The exact causes of apudoma development in dogs are not yet fully understood, but it is believed that genetic factors and environmental conditions may play a role. In some cases, mutations in specific genes responsible for cell growth and division may contribute to tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. development.

Other possible causes could be chronicChronic refers to a condition or disease that is long-lasting or permanent. Chronic diseases often develop slowly and can lead to persistent or recurring health problems over time. Inflammatory conditions of the intestineThe intestine is the medical term for the gut, including the small intestine (intestinum tenue) and the large intestine (intestinum crassum). It plays a central role in the digestion and absorption of nutrients. or prolonged exposureExposure refers to the Contact with or subjection to certain substances, environmental factors, or pathogens. In veterinary medicine, this can include Contact with toxins, allergens, or infectious agents that can cause health problems in dogs and cats. to certain carcinogens. These can damage cell DNADNA (deoxyribonucleic acid) is the molecule that carries the genetic instructions for the development, function, and reproduction of all known living organisms and many viruses. It is located in the cells of an organism and contains the information for heredity. and increase the risk of tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. formation. Environmental factors such as diet, lifestyle, and exposureExposure refers to the Contact with or subjection to certain substances, environmental factors, or pathogens. In veterinary medicine, this can include Contact with toxins, allergens, or infectious agents that can cause health problems in dogs and cats. to toxins could also influence the development of apudomas.

Symptoms

Very common symptoms:

Common symptoms:

Rare symptoms:

The symptoms of a neuroendocrine tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. in a dog’s intestine can vary, depending on the size and location of the tumor, as well as the hormonal activity of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. tissue. The most common symptoms include Vomiting, DiarrheaDiarrhea refers to the condition of frequent, watery bowel movements, which can be a sign of infections, digestive disorders, or other health problems., and Weight loss. These occur when the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. interferes with the normal function of the intestineThe intestine is the medical term for the gut, including the small intestine (intestinum tenue) and the large intestine (intestinum crassum). It plays a central role in the digestion and absorption of nutrients..

Another common symptom is a bloated abdomenThe abdomen, also known as the abdominal cavity, is the part of the body located between the rib cage and the pelvis. It houses several important organs, including the stomach, liver, kidneys, intestines, and spleen., which can be caused by the accumulation of fluid or gases in the intestine due to tumor growth. In some cases, constipationConstipation is another word for infrequent bowel movements where the stool is hard and difficult to pass. In dogs and cats, this can be caused by diet, lack of exercise, or underlying health issues. may occur if the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. blocks the intestineThe intestine is the medical term for the gut, including the small intestine (intestinum tenue) and the large intestine (intestinum crassum). It plays a central role in the digestion and absorption of nutrients..

If the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. is hormonally active, additional symptoms may occur that are caused by the excessive release of hormones. These include excessive thirst and urination, Skin changes, or Behavioral changes.

Because these symptoms can also occur with other diseases of the gastrointestinalGastrointestinal refers to the gastrointestinal tract, a system that extends from the oral cavity to the anus and is responsible for the digestion of food and the absorption of nutrients. tract, it is important to obtain a comprehensive diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. from a veterinarian to determine the exact cause.

Diagnosis

The diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. of a neuroendocrine tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. in a dog’s intestineThe intestine is the medical term for the gut, including the small intestine (intestinum tenue) and the large intestine (intestinum crassum). It plays a central role in the digestion and absorption of nutrients. usually begins with a thorough clinical examination by a veterinarian. This includes taking a medical historyThe medical history is the systematic collection of a patient's medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits. and a physical examination of the dog to identify signs such as AbdominalThe term "abdominal" refers to anything that concerns the belly or the abdomen. It is an adjectival expression used to describe the location, symptoms, or conditions that occur in the abdominal area. pain or Swelling.

Imaging procedures such as ultrasoundUltrasound refers to sound waves that are above the hearing threshold of the human ear. In medicine, ultrasound is used for diagnostic imaging procedures to visualize internal organs, tissues, and blood flow. or X-rays of the abdomenThe abdomen, also known as the abdominal cavity, is the part of the body located between the rib cage and the pelvis. It houses several important organs, including the stomach, liver, kidneys, intestines, and spleen. can help confirm the presence of a tumor in the intestineThe intestine is the medical term for the gut, including the small intestine (intestinum tenue) and the large intestine (intestinum crassum). It plays a central role in the digestion and absorption of nutrients. and determine its size and location. In some cases, a computed tomography (CT)Computed tomography (CT) is an imaging technique that uses X-rays and computer technology to create cross-sectional images of the body. It enables a detailed view of bones, organs, and other structures and is used for the diagnosis of injuries, diseases, and for planning medical interventions. or magnetic resonance imaging (MRI)Magnetic resonance imaging is an imaging technique that uses strong magnetic fields and radio waves to create detailed images of the inside of the body. It is used in veterinary medicine to diagnose diseases of the brain, spine, and other organs. may be required to obtain more detailed information.

A biopsyA biopsy is a medical procedure in which a small amount of tissue is removed from the body to be examined under a microscope for signs of disease. Biopsies can help diagnose cancer and other conditions. of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. tissue is crucial to confirm the diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients.. A tissue sample is taken from the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. and examined microscopically to determine the type of cells and determine whether it is a neuroendocrine tumor.

In addition, blood tests can be performed to check hormoneHormones are chemical messengers produced by endocrine glands and released into the bloodstream to affect specific cells or organs in the body. They regulate numerous bodily functions, including growth, metabolism, and reproduction. levels and rule out other possible causes of the symptoms. An elevated hormoneHormones are chemical messengers produced by endocrine glands and released into the bloodstream to affect specific cells or organs in the body. They regulate numerous bodily functions, including growth, metabolism, and reproduction. level may indicate a hormonally active tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions..

Therapy

The treatment of an apudoma in dogs depends on the size, location, and hormonal activity of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions.. Surgical removal is often the preferred treatment method, especially if the tumor is localized and operable. The procedure aims to completely remove the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. and any affected surrounding tissue.

In cases where the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. is inoperable or has already spread, medical treatment with chemotherapyChemotherapy refers to the treatment of diseases, especially cancer, with chemical substances or drugs. It aims to kill cancer cells or prevent their growth, but can also affect healthy cells. or targeted therapies may be considered. These treatments aim to slow tumor growth and alleviate symptoms.

If the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. is hormonally active, medications can be used to control hormoneHormones are chemical messengers produced by endocrine glands and released into the bloodstream to affect specific cells or organs in the body. They regulate numerous bodily functions, including growth, metabolism, and reproduction. production. These can help reduce the symptoms caused by the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. and improve the dog’s quality of life.

The exact treatment strategy should be tailored to the individual dog and requires close collaboration with a veterinary oncologist or internal medicineInternal medicine is a medical specialty that deals with the prevention, diagnosis, and treatment of diseases of the internal organs. Internists treat a wide range of diseases that primarily affect adults. specialist.

Prognosis and follow-up care

The prognosis for dogs with a neuroendocrine tumor in the intestineThe intestine is the medical term for the gut, including the small intestine (intestinum tenue) and the large intestine (intestinum crassum). It plays a central role in the digestion and absorption of nutrients. varies greatly and depends on several factors, including the size and location of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions., its hormonal activity, and the extent of spread in the body. Tumors that can be diagnosed early and successfully surgically removed have a better prognosisThe prognosis is the prediction of the likely course and outcome of a disease based on the general state of health, the nature of the disease, and the response to treatment. It can provide information on how a disease is expected to develop..

However, if the tumor has already metastasized or is inoperable, the prognosis may be less favorable. In such cases, treatment may aim to slow the progressionProgression refers to the advancement or worsening of a disease over time. It describes an increase in the severity or extent of the disease symptoms. of the disease and maintain the dog’s quality of life.

The long-term survival rate also depends on the tumor’s response to treatment and the dog’s general health. Regular follow-up examinations and monitoring are crucial to monitor the progressionProgression refers to the advancement or worsening of a disease over time. It describes an increase in the severity or extent of the disease symptoms. of the disease and adjust treatment if necessary.

Prevention

Since the exact causes of apudoma development in dogs are not fully known, there are no specific preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring. measures. However, a healthy diet and regular veterinary care can help promote the dog’s overall well-being and detect potential health problems early.

Regular check-ups and preventive examinations can help detect changes in the dog’s health early and enable timely intervention. This can improve the chances of successful treatment and a better prognosis.

Avoiding exposure to known carcinogens and providing a clean, safe environment can also help reduce the risk of tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. development. A balanced diet with high-quality nutrients can strengthen the immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body. and support the dog’s general health.

Outlook on current research

Research into neuroendocrine tumors (NETs) in dogs, especially in the intestinalIntestinal refers to the intestine, the part of the digestive tract that extends from the stomach to the anus. Intestinal diseases affect the small and/or large intestine. region, is an evolving field that focuses on understanding the biological mechanisms behind these Tumors. A key focus of current research is the genetic characterization of these Tumors. Through genetic analyses, scientists are trying to identify specific mutations or genetic markers that contribute to tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. development. These findings could lead to more precise diagnostic methods and targeted therapies in the future.

Another area of research is concerned with the role of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. microenvironment, including the interactions between tumor cells and the surrounding tissue. Researchers are investigating how these interactions affect tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. growth and metastasis. A deeper understanding of these processes could enable new therapeutic approaches that aim to modify the tumor environment and thus inhibit tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. growth.

In addition, the development of new diagnostic imagingDiagnostic imaging includes medical procedures that create images of the inside of the body to diagnose, monitor, or treat diseases and injuries. Examples include X-ray, ultrasound, computed tomography (CT), and magnetic resonance imaging (MRI). techniques is being advanced to enable earlier and more accurate detection of NETs. Technologies such as PET-CT (positron emission tomography combined with computed tomography) are being refined to improve the detection of early-stage Tumors. Such advances could significantly improve the prognosisThe prognosis is the prediction of the likely course and outcome of a disease based on the general state of health, the nature of the disease, and the response to treatment. It can provide information on how a disease is expected to develop. for affected dogs by enabling earlier intervention.

With regard to the treatment of neuroendocrine tumors in dogs, intensive work is being carried out on the development and testing of new drug therapies. This includes targeted therapies that specifically target the molecular properties of tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. cells. Such therapies could reduce the side effects compared to conventional chemotherapies and improve the quality of life of the affected dogs.

Finally, researchers are also investigating the use of immunotherapies in dogs with NETs. These treatments aim to activate the dog’s immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body. to fight tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. cells more effectively. While these approaches are still in the early stages of research, initialInitial means beginning or at the start. In medicine, it can refer to the first symptoms of a disease or the first phase of a treatment process. results show promising approaches to improving treatment options for dogs with neuroendocrine tumors.

Frequently asked questions (FAQs)

What is a neuroendocrine tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. in dogs? A neuroendocrine tumor (NET) in dogs is a rare type of cancer that arises from neuroendocrine cellsNeuroendocrine cells are specialized cells that perform both nerve and hormone functions. They are present in various organs and involved in the regulation of metabolic processes, blood pressure, and other important bodily functions in dogs and cats. that produce hormones and are distributed throughout the body. These Tumors can occur in various organs, but most commonly in the gastrointestinalGastrointestinal refers to the gastrointestinal tract, a system that extends from the oral cavity to the anus and is responsible for the digestion of food and the absorption of nutrients. tract.
What symptoms do dogs with a neuroendocrine tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. show? Symptoms can vary depending on the location and size of the tumor, but often include Vomiting, Diarrhea, Weight loss, loss of appetite, and in some cases bloody stools. Because these symptoms are non-specific, an accurate diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. is often difficult.
How is a neuroendocrine tumor diagnosed in dogs? DiagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. is usually made through a combination of imaging techniques such as ultrasoundUltrasound refers to sound waves that are above the hearing threshold of the human ear. In medicine, ultrasound is used for diagnostic imaging procedures to visualize internal organs, tissues, and blood flow. or X-rayX-ray is an imaging technique that uses X-rays to create images of the inside of the body. It is often used to diagnose bone fractures, lung diseases, and other conditions., blood tests, and a biopsy of the tumor. An accurate diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. is important to determine the best treatment strategy.
What treatment options are available for dogs with neuroendocrine tumors? Treatment may include surgical removal of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions., chemotherapyChemotherapy refers to the treatment of diseases, especially cancer, with chemical substances or drugs. It aims to kill cancer cells or prevent their growth, but can also affect healthy cells., and in some cases the use of targeted therapies. The choice of therapyTherapy refers to the treatment of diseases or disorders with the aim of alleviating symptoms, promoting healing, or improving quality of life. Therapies can be medicinal, surgical, or through other medical interventions. depends on the type of tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions., the stage of the disease, and the dog’s general health.
What is the prognosisThe prognosis is the prediction of the likely course and outcome of a disease based on the general state of health, the nature of the disease, and the response to treatment. It can provide information on how a disease is expected to develop. for dogs with neuroendocrine tumors? The prognosisThe prognosis is the prediction of the likely course and outcome of a disease based on the general state of health, the nature of the disease, and the response to treatment. It can provide information on how a disease is expected to develop. depends on various factors, including the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. size, the spread, and the response to treatment. In some cases, early diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. and treatment can lead to a good prognosisThe prognosis is the prediction of the likely course and outcome of a disease based on the general state of health, the nature of the disease, and the response to treatment. It can provide information on how a disease is expected to develop., while in other cases the disease is more aggressive.
Can neuroendocrine tumors be prevented in dogs? Currently, there are no specific measures to prevent NETs in dogs. However, a healthy diet, regular veterinary visits, and careful monitoring of health can help detect general health problems early.
Are certain dog breeds more susceptible to neuroendocrine tumors? There are no specific breeds known to be more susceptible to NETs. These Tumors can occur in dogs of all breeds and ages, with older dogs tending to be more commonly affected.
What role do hormones play in neuroendocrine tumors? Since neuroendocrine tumors arise from hormone-producing cells, they can affect hormoneHormones are chemical messengers produced by endocrine glands and released into the bloodstream to affect specific cells or organs in the body. They regulate numerous bodily functions, including growth, metabolism, and reproduction. production and lead to hormone-related symptoms. This can be a challenge in treatment, as controlling hormoneHormones are chemical messengers produced by endocrine glands and released into the bloodstream to affect specific cells or organs in the body. They regulate numerous bodily functions, including growth, metabolism, and reproduction. production is often part of the therapyTherapy refers to the treatment of diseases or disorders with the aim of alleviating symptoms, promoting healing, or improving quality of life. Therapies can be medicinal, surgical, or through other medical interventions..
How does the location of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. affect the symptoms and treatment? The location of the tumorA tumor is an abnormal growth of tissue that can be benign or malignant. Tumors can develop in any part of the body and affect various functions. in the body can significantly affect the type of symptoms and the treatment options. For example, Tumors in the gastrointestinalGastrointestinal refers to the gastrointestinal tract, a system that extends from the oral cavity to the anus and is responsible for the digestion of food and the absorption of nutrients. tract can cause digestive problems and be surgically removed, while Tumors in other organs may cause other symptoms and need to be treated differently.
Are there experimental treatments for neuroendocrine tumors in dogs? Yes, there are ongoing clinical trials investigating new treatment methods for NETs in dogs. These may include experimental drugs, immunotherapies, or innovative surgical techniques. Owners of dogs with NETs can talk to their veterinarian about the possibility of participating in such studies.