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Evaluation of neonatal sacrococcygeal teratoma by DSA and direct sagittal CT.

Sacrococcygeal teratomas are uncommon neonatal tumours occurring in 1 of every 35 000 live births (Altman et al, 1974). Pre-operative examination has traditionally included plain radiography, excretory urography, voiding cystourethrography, contrast enema and occasionally ultrasonography (Schey et al, 1977). Smith et al (1980) have also emphasised the value of arteriography of these tumours. We describe a different approach in which a large sacrococcygeal teratoma was assessed by intravenous digital subtraction angiography (DSA) and direct sagittal computed tomography (CT).