Official websites use. Share sensitive information only on official, secure websites. Corresponding author. Neurofibromatosis type 1 NF1 , or Von Recklinghausen's disease, is an autosomal dominant condition that affects the central nervous system.
Gastrointestinal stromal tumor GIST refers to non-epithelial tumors of the gastrointestinal tract lacking smooth muscle structural features and schwann cell immunohistochemical characteristics. GIST is a soft tissue sarcoma that probably arises from the interstitial Cajal cells of the intestine. The treatment of primary GIST is complete surgical resection with free microscopic margins and an intact pseudocapsule.
Treatment of primary GIST is surgical resection with free microscopic margins. Neurofibromatosis type 1 NF1 or Von Recklinghausen's disease, is an autosomal dominant condition that affects the central nervous system. The term gastrointestinal stromal tumor GIST was introduced by Mazur and Clark to designate non-epithelial tumors of the gastrointestinal tract lacking smooth muscle structural features and immunohistochemical Schwann cell characteristics [ 2 ].
She presented three bleeding episodes, of three, two and one year of evolution, respectively. In the last one, she required blood transfusion.
She was diagnosed a year earlier with a duodenal polyp located in the second portion of the duodenum, just in front of the ampulla of Vater photo 1. These studies were carried out as a protocol, during the year , and at the end, laparotomy was chosen as the surgical approach, during which a 3-cm tumor was identified in the lateral wall of the duodenum.
