, Volume 40, Issue 1 Supplement, p 50
Date: 13 May 2010

Preautopsy imaging in cerebro-costo-mandibular syndrome

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The 23-week pregnancy of a gravida 2 para 1 mother was terminated after a prenatal US revealed fetal hydrops and congenital anomalies. Because of external anomalies, preautopsy radiographs were performed (Fig. 1). Pathognomic right rib gaps (arrowheads) (Fig. 1) allowed a diagnosis of cerebro-costo-mandibular syndrome [1], which was immediately discussed with the pathologist, including the likelihood of intracranial abnormality. The autopsy confirmed fibrovascular replacement of portions of the right posterior ribs (Fig. 2), as well as extensive, predominantly perivascular, brain calcifications. Fig. 1

Preautopsy frontal radiograph
Fig. 2
Photomicrograph of one rib gap, H&E. * = bone; § = intervening fibrous tissue; arrow = periosteum

The preautopsy identification of rib gaps allowed the diagnosis of cerebro-costal-mandibular syndrome, a hereditary condition. This identification helped facilitate the autopsy. Because they are seldom seen, rib gaps could have easily passed unnoticed on a ro ...