A large meconium pseudocyst that developed into the generalized type during the antepartum period

• Published in: Journal of medical ultrasonics (2001) Vol. 38; no. 1; pp. 37 - 40
• Main Authors: Nakajima, Yoshiyuki, Masaoka, Naoki, Asanuma, Aki, Sone, Kimie, Nagaishi, Masaji, Miyakawa, Yasuji, Yamamoto, Tatsuo, Hoshino, Mayumi, Koshinaga, Tsugumichi
• Format: Journal Article
• Language: English
• Published: Japan Springer Japan 01-01-2011; Springer; Springer Nature B.V
• Subjects: Abdomen; Adhesion; Amniotic fluid; Apgar score; Ascites; Biopsy; Calcification; Case Report; Cysts; Feces; Fetuses; Gastrointestinal diseases; Gestation; Imaging; Laparotomy; Magnetic resonance imaging; Medicine; Medicine & Public Health; Ostomy; Ovaries; Pathology; Peritonitis; Pregnancy; Pregnant women; Radiology; Ultrasonic imaging; Ultrasound; Ultrasound imaging; Urogenital system; Uterus; Meconium pseudocyst; Fetal ultrasonography; Meconium peritonitis; Intrauterine ultrasonography
• ISSN: 1346-4523; 1613-2254
• DOI: 10.1007/s10396-010-0281-8

A fetal intraabdominal cystic mass, measuring 6 cm, was detected at 30 weeks of gestation in a 27-year-old gravida 2 para 1 woman. At 33 weeks of gestation, the cyst disappeared. Ultrasonography showed fetal bowel dilatation, polyhydramnios, and intraabdominal calcifications. Fetal meconium peritonitis was diagnosed prenatally. Because the fetal ileus became worse, a cesarean section was performed at 35 weeks of gestation; a female infant weighing 2,131 g with an Apgar score of 8 was delivered. Six hours after birth, the neonate received an ileostomy. The bowel was reanastomosed 42 days after the initial operation. On postoperative pathology, a meconium pseudocyst was diagnosed. To our knowledge, this is the first report of a large fetal meconium pseudocyst that developed into the generalized type in the uterus during the preterm antepartum period.