2012
DOI: 10.1007/s12070-011-0441-1
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Unilateral Branchial Sinus with Unilateral Renal Agenesis: A Variant of BOR Syndrome? A Case Report

Abstract: Patient presented with a congenital discharging branchial sinus. Pre-operative work up including a CT scan of the abdomen-pelvis revealed absence of the left kidney. Branchio-Oto-Renal (BOR) syndrome, a rare autosomal dominant disorder is characterized by branchial arch anomalies, otological and renal anomalies. Clinical manifestations tend to have considerable variability, But no case with branchial and renal abnormality sans otological defects has been described yet in the spectrum of BOR syndrome variants.

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Cited by 4 publications
(2 citation statements)
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“…Approximately 93% of the reported patients with BORSD have an affected parent, whereas only 7% of cases are caused by de novo pathogenic variants, which is in accordance with previous findings 4 . Renal anomalies were noted in about one‐third of BORSD patients and mainly manifest as renal agenesis/hypoplasia/dysplasia, uretero‐pelvic junction obstruction and calyceal cyst/diverticulum 48,56,57 . Genotype–phenotype correlations have not been defined for renal anomalies of BORSD, as several families have been identified segregating the same pathogenic variant while exhibiting broad intrafamilial phenotypic variability 10,15,45 …”
Section: Discussionmentioning
confidence: 99%
“…Approximately 93% of the reported patients with BORSD have an affected parent, whereas only 7% of cases are caused by de novo pathogenic variants, which is in accordance with previous findings 4 . Renal anomalies were noted in about one‐third of BORSD patients and mainly manifest as renal agenesis/hypoplasia/dysplasia, uretero‐pelvic junction obstruction and calyceal cyst/diverticulum 48,56,57 . Genotype–phenotype correlations have not been defined for renal anomalies of BORSD, as several families have been identified segregating the same pathogenic variant while exhibiting broad intrafamilial phenotypic variability 10,15,45 …”
Section: Discussionmentioning
confidence: 99%
“…При этом синдром не затрагивает развитие анального отверстия или кисти, а нарушения в строении уха в первую очередь связаны со стенозом наружного слухового прохода и недоразвитой улиткой [15]. Заболевание вызвано мутацией (чаще всего делецией) группы генов [15] -EYA1 [8q13.3], SIX1 [14q23.1], SIX5 [19q13.32].Вариацией этого синдрома являются: бранхио-ото-уретеральный синдром[17] и бранхио-ото-дисплазия[18], при которой более выражены аномалии внешнего уха(чашевидная ушная раковина) и, наоборот, менее выражены нарушения функционирования выделительной системы. В обоих случаях у новорождённых с высокой частотой встречается расщелина нёба, маленькое и узкое нёбо, раздвоение язычка, ярко выраженный неправильный прикус, длинное и асимметричное лицо, паралич лицевых мышц.…”
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