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Results for “Intestinal Neoplasms”

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At least 127 records · Page 7Linked to original sources
PubMed1981

Abnormally high content of unmyelinated axon profiles in the ventral root L7 of a cat with an abdominal neoplasm.

The ventral roots of L7 of a cat with an intestinal neoplasm were examined electron-microscopically at different proximo-distal levels. The proportion of unmyelinated axon profiles was 50-55% at mid-root and distal levels as compared to 30% in normal adult cats. In the juxtamedullary root fascicles the proportion was normal (average 20%), and few unmyelinated axons seemed to penetrate into the CNS through the ventral root. The number of myelinated axons was within the normal range.

Animals↗
PubMed2005

Pathogenesis and risk factors of small bowel adenocarcinoma: a colorectal cancer sibling?

Small bowel adenocarcinoma (SBA) is a very rare entity accounting for one-fourth of the small intestine neoplasms. Usually accompanied by nonspecific symptoms occurring late in the course of the disease, they are associated with a dismal prognosis. It appears that SBA shares several genetic characteristics with large bowel tumors, but also has unique features. The purpose of this article is to review pathogenesis and risks factors of SBA to better understand its molecular features as well as its resemblances and dissimilarities with colorectal cancer (CRC). Better understanding of sporadic and hereditary genetic pathways potentially involved will undoubtedly lead to better prevention and therapeutic management of this rare but aggressive disease.

Adenocarcinoma↗
PubMed2000

Small bowel haemangioma with local lymph node involvement presenting as intussusception.

Gastrointestinal haemangiomas make up 0.05% of all intestinal neoplasms. They are sometimes multiple and usually present with pain, bleeding, and obstruction. An associated haemangiomatous change in regional lymph nodes has not been reported previously. A woman of 21 years presented with abdominal pain and vomiting. Abdominal ultrasound and computed tomography scan showed a lower abdominal mass. Laparotomy revealed a small bowel tumour causing an intussusception together with enlarged mesenteric lymph nodes. Pathological examination revealed a small bowel haemangioma with mesenteric node involvement. The pathogenesis of haemangiomatous involvement of lymph nodes is discussed. Hamartomatous change is the likely cause in this patient.

Adult↗