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At least 1,225 records · Page 68Linked to original sources
PubMed1995

Localized retroperitoneal fibromatosis causing intestinal obstruction in a cynomolgus monkey (Macaca fascicularis).

Gross examination of a 24-month-old, male cynomolgus monkey (Macaca fascicularis) revealed obstruction of the ileum by a mass that entrapped and compressed the ileocecal junction. The mass was well circumscribed, firm, and white on cut surface. Histologically, the mass consisted of spindle-shaped cells arranged in interweaving bundles or as narrow cords and individual cells widely separated by dense collagen. A diagnosis of localized retroperitoneal fibromatosis was made based on the characteristic gross and microscopic findings and isolation of type D simian retrovirus, serotype-2, from spleen and mesenteric lymph node. Monkeys with localized retroperitoneal fibromatosis generally exhibit signs only of a palpable mass at the ileocecal junction and/or nonspecific diarrhea. This case represents an unusual presentation of localized retroperitoneal fibromatosis in which the lesion produced intestinal obstruction and death.

Animals↗
PubMed1996

Antenatal finding of intestinal obstruction caused by isolated segmental jejunal dilatation: a case report.

The authors report a case of segmental jejunal dilatation that was discovered antenatally and manifested clinically as lower obstruction in a newborn boy. The antenatal ultrasound findings at 29, 30, and 31 weeks' gestation showed a constant hypoechogenic image (6 x 3 cm in diameter) localized to the right flank of the fetal abdomen, thought to be situated in the right colon. A prenatal diagnosis of incomplete right colonic stenosis was considered. In the immediate postnatal period, there were clinical manifestations of intestinal obstruction; however, results of a contrast enema and rectal biopsies were normal. An upper gastrointestinal contrast study showed a dilated jejunal loop situated approximately 15 cm from the ligament of Treitz. During surgery, a large dilated jejunal loop (7 cm in diameter, 15 cm in length) was found and resected. Histopathologic examination confirmed the diagnosis of segmental jejunal dilatation. This is the first antenatal illustration of this rare pathology, and it supports the hypothesis of a congenital origin for this anomaly.

Adult↗
PubMedDate not supplied

[Enteropexy (the Reymond procedure) in the treatment of small-intestine obstruction. The experience of 133 cases].

The indication for a pexis operation is entirely dependent on the condition of the intestinal peritoneum. If detachment of peritoneum is absent or very superficial then pexis is not indicated (prophylactic pexis). If, however, multiple regions of peritoneal detachment extending to the subperitoneal layer exist then curative pexis is justified, and must extend to the whole or almost the whole of the small intestine, and be performed using absorbable suture thread.

Humans↗
PubMed2005

Neonatal intestinal obstruction simulating meconium ileus in infants with long-segment intestinal aganglionosis: radiographic findings that prompt the need for rectal biopsy.

BACKGROUND: The initial clinical presentation and radiographic finding of microcolon in children with long-segment intestinal aganglionosis involving the entire colon, ileum and sometimes the jejunum can mimic meconium ileus. This makes the diagnosis difficult for the radiologist and surgeon. OBJECTIVE: To document and describe the clinical and radiographic findings in children with long-segment intestinal aganglionosis who are initially thought to have meconium ileus. MATERIALS AND METHODS: We reviewed the cases of six neonates with long-segment intestinal aganglionosis presenting as meconium ileus at our institutions between 1978 and 2002. We examined the clinical presentation and the radiographic, surgical, and pathologic findings. In addition, 17 cases from the literature were identified and are included in the discussion. RESULTS: A total of 23 cases were reviewed. Right lower quadrant intraluminal calcifications were noted on abdominal radiographs in all six neonates of our series and were described in 13 of the 17 neonates reported in the literature. Similarly, a microcolon was present in five of the six neonates of our series and in 14 of 16 historical neonates (one not reported). CONCLUSION: In a neonate with small-bowel obstruction and a microcolon, the presence of right lower quadrant intraluminal calcifications should raise the suspicion of long-segment intestinal aganglionosis even if the operative findings are typical of meconium ileus and a biopsy should be performed.

Biopsy↗