Small-Bowel Tumors

Malignancy risk prediction for primary jejunum-ileal tumors

“…In accordance to other authors, abdominal pain, weight loss, anemia and nausea/vomit represented the signals and symptoms more commonly observed in our patients with malign tumors (9,10,11) . Among these patients, 51.9% had palpable abdominal mass.…”

“…Primary small bowel neoplasms constitute 1-5% of all tumors and less than 2% of the malign lesions located at the digestive tube, with a population incidence of 1.6/100,000 (2,10) . Concerning the relative rarity of small bowel tumors, compared with esophagus, stomach and colon tumors, many possible explanations have been speculated: (1) fluid content; (2) rapid intestinal transit; (3) alkaline pH; (4) lower bacterial population than in colon and difference in bacterial metabolism; (5) high concentration of immunoglobulin A, particularly in the ileum; (6) possible cytogenetic factors; (7) rapid proliferation and replacement of mucosa; and (8) stem-cells with more efficient apoptosis than in colon for removal of genetically modified cells (1,4,7,14,16) .…”

Metastatic Small Bowel Tumours Causing Intestinal Obstruction: A Report of Two Cases

“…Abbas (2007) and Minardi (1998) report that the majority of these lesions arise as a result of transcoelomic seeding of an intra-abdominal primary, of which colorectal cancer accounts for almost half of them. Other cancers include those of pancreatic, gastric and ovarian origins, with rarer occurrences from the lung, kidney and breast.…”

Testicular Choriocarcinoma with Jejunal Metastasis Complicated by Intestinal Perforation and Acute Peritonitis

“…Metastatic involvement of the small intestine is rare in germ cell tumors [3,[5][6][7], and a choriocarcinoma in this location is exceptional. Among 487 patients with testicular germ cell tumors treated at the Memorial Sloan-Kettering Cancer Center [3].…”