Megacystis-microcolon-intestinal hypoperistalsis syndrome: In utero sonographic appearance and the contribution of vesicocentesis in antenatal diagnosis

Nobuhiro Hidaka, Kazuya Kawamata, Yoshihide Chiba

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19 Citations (Scopus)

Abstract

Objective. The purpose of this report is to describe the in utero sonographic appearance of megacystis-microcolon-intestinal hypoperistalsis syndrome (MMIHS) and examine the role of vesicocentesis. Methods. Two cases of the sonographic appearance of MMIHS were reviewed. We performed vesicocentesis in 2 fetuses with MMIHS and performed vesicoamniotic shunting in 1 of them. The sonographic findings after these procedures were compared with those before puncture. Results. In both cases, ultrasound examination showed a massively enlarged fetal bladder and bilateral hydroureteronephrosis with a normal amount of amniotic fluid. Fetal urinary sodium and chloride concentrations were within normal limits in both cases; this suggested normal fetal renal function. Generally, it is difficult to detect the dilated fetal bowel in MMIHS, probably because of the disturbance caused by a large bladder. In our cases, however, the ultrasound examination clearly showed fetal bowel dilatation after these procedures; this made the antenatal diagnosis of MMIHS more definite. Conclusions. The sonographic features after vesicocentesis may be helpful in confirming the antenatal diagnosis of MMIHS.

Original languageEnglish
Pages (from-to)765-769
Number of pages5
JournalJournal of Ultrasound in Medicine
Volume25
Issue number6
DOIs
Publication statusPublished - Jun 2006

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All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

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