A 4-month-old baby boy was presented to a neonatologist with colic abdomen pain, vomiting, and rectal prolapse. Routine blood examinations were normal. However, the ultrasonic procedure revealed abdomen intussusception, which was reduced by contrast enema. It also showed a 2 cm x 1.9 cm size tumor-like lesion in the sigmoid colon that had blocked the lumen. The obstetric history of the infant revealed that the infant’s mother had vaginal bleeding during the initial pregnancy weeks and was treated with an intramuscular hormonal injection of 17-OHPC (17-hydroxyprogesterone caproate) with 340 mg dosage for seventeen weeks.

The child was born by C-section at the 34th week of gestation, with an interruption in fetal growth and maternal hypertension. Image A show enema colocolic intussusception. Images B, C, and, D show histopathological examinations of the submucosal lesion. Image Source:  …