case_images: PMC4410590_01
case_images: Endoscopic examination of case 1. Mucosal friability, loss of vascular pattern, erythema and edema circumferentially are shown at the rectum.
case_images: crg-0009-0074-g01.jpg
case_images: PMC4410590_01_crg-0009-0074-g01.jpg
case_images: F1
case_images: A diagnosis of left-sided UC was made on the basis of colonoscopic findings and confirmed by the typical histological features of biopsy samples (fig. 1).
case_images: Ultrasonography of the transverse colon in case 1. A thin wall and dilated transverse colon (with the dotted line measuring 65 mm) suggest megacolon.
case_images: crg-0009-0074-g02.jpg
case_images: PMC4410590_01_crg-0009-0074-g02.jpg
case_images: F2
case_images: UC (at 23 weeks and 3 days of pregnancy) showed a thin wall with dilatation of the colonic lumen, consistent with megacolon (fig. 2). Urgent surgery was indicated for the colitis that was unresponsive to medical therapy with suspected toxic megacolon.
case_images: PMC4410590_02
case_images: Intraoperative findings of case 2. The pregnant uterus is smaller than fist size. Arrow 1 shows the 14-week pregnant uterus. Arrow 2 shows the resected distal rectal stump.
case_images: crg-0009-0074-g03.jpg
case_images: PMC4410590_02_crg-0009-0074-g03.jpg
case_images: F3
case_images: Total colectomy with Hartmann's procedure and end ileostomy was performed as initial surgery without interruption of the pregnancy (fig. 3).