2B72.1/C16 Malignant neuroendocrine neoplasm of stomach



Malignant neuroendocrine neoplasms (NENs) of the stomach are rare tumors that arise from neuroendocrine cells in the stomach wall. They are usually found in middle-aged or older patients, with a higher frequency in men. The exact cause of these tumors is not known.


Diagnosis of malignant NENs of the stomach typically involves imaging tests such as CT scan and/or MRI scan. Endoscopy is then used to confirm the diagnosis, followed by a biopsy.

Differential diagnosis

Differential diagnosis of malignant NENs of the stomach includes other types of gastrointestinal tumors, such as adenocarcinoma and lymphoma.


Treatment for malignant NENs of the stomach typically involves surgery to remove the tumor, as well as chemotherapy and/or radiation therapy.


The prognosis for malignant NENs of the stomach depends on the size and stage of the tumor, as well as the patient’s overall health. Patients with early-stage tumors have a better prognosis than those with more advanced tumors.

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