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Am J Med Genet. 1992 Aug 1;43(6):970-5.

Branchio-oto-renal syndrome: further delineation of an underdiagnosed syndrome.

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1
Department of Pediatrics, Montreal Children's Hospital, McGill University, Quebec, Canada.

Abstract

We report on a woman who was diagnosed with branchio-oto-renal (BOR) syndrome after 2 pregnancies complicated by oligohydramnios due to renal hypoplasia and agenesis. Both babies died neonatally of pulmonary hypoplasia. Histopathology of the temporal bones of the second child showed marked immaturity of the middle ear cleft, ossicles, facial nerve and canal, and cochlear nerve. Maternal renal ultrasound study was normal although intravenous pyelography indicated renal hypoplasia. The frequency of BOR syndrome among cases of recurrent fetal renal hypoplasia/dysplasia or agenesis is unknown, and parental renal ultrasonography may not identify a heritable renal defect. Investigations should include a family history, and examination of relatives to look for preauricular pits, lacrimal duct stenosis, and branchial fistulae and/or cysts. Hearing studies and IVP may be indicated.

PMID:
1415348
DOI:
10.1002/ajmg.1320430613
[Indexed for MEDLINE]
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