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Placentas are usually submitted for pathologic examination based on obstetrical indications. We hypothesized that the placenta may have diagnostic value to the infant independent of obstetrical events. We specifically tested whether lymphohistiocytic villitis (noninfectious) would predict autoimmune or alloimmune disease based on transfer of activated maternal T-cells to the fetus and whether clinically silent placental separations (retroplacental hematomas, RPH) would predict neurologic injury in the infant. All placentas from consecutive deliveries had a routine pathologic examination of the placenta. The infants with placentas demonstrating inflammation of >1% of villi or RPH >2 cm and matched controls had their hospital charts reviewed and parental interviews by telephone at 5 to 7 years of age. The children of consented patients were also searched for in the office visits of the University of Louisville Pediatric Neurology and Rheumatology divisions. One thousand six hundred eighty-four patients consented to the follow-up study. We found no cases of autoimmune disease among 17 children with villitis >1%. Of 16 infants with RPH, 1 had cerebral palsy but with other placental findings, 1 had lethal hydranenecephaly, and the remainder had no adverse outcome. Of 15 children seen by a pediatric neurologist, none had the same placental lesion. The specific lesions of lymphohistiocytic villitis or asymptomatic RPH do not predict significant pediatric disease by 7 years of age. At least for these 2 lesions, the placenta does not have diagnostic value to the infant.

Computed tomography (CT) was used to distinguish between pelvic lipomatosis and idiopathic inferior vena caval thrombosis as a cause of a pear-shaped bladder seen on intravenous urography. The findings on CT were explicit in explaining the patient's clinical problem.

A case of fibro-inflammatory thickening of the mesosigmoid simulating pelvic carcinomatosis on barium enema and ultrasound examination is presented. Histologic features of this case and cases of retractile mesenteritis and mesenteric panniculitis are discussed.