Abstract
Neurofibromatosis type-1 (NF-1), also known as von Recklinghausen disease, is a common autosomal dominant condition occurring in approximately 1/3000 births. NF-1 is known to be associated with gastrointestinal neoplasms in 2-25 per cent of patients. We report the first case of gastric outlet obstruction with perforation caused by neurofibroma in a patient with NF-1. The literature is reviewed, examining 61 previously reported cases of noncarcinoid gastrointestinal (GI) neoplasms in patients with NF-1 for symptoms, location, and types of neoplasms. Neoplasms were located most often in the small intestine (72%). Neurofibromas, found in 52 per cent of patients, were the most frequently diagnosed benign neoplasms followed by leiomyomas (13%), ganglioneurofibromas (9.8%), and gastrointestinal stomal tumor (GIST) (6.5%). Adenocarcinoma was present in 23 per cent of patients. Patients with NF-1 and GI symptoms are at risk for gastrointestinal neoplasms from which symptomatic patients are likely to experience significant morbidity.
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