skip to main content

Aplasia Cutis Congenita — SCE Dermatology MCQ

Instant feedback + full explanation. One question, done properly.

HardPaediatric DermatologyAplasia Cutis CongenitaSCE Dermatology

A newborn has a 6 cm membranous vertex scalp defect with visible pulsation and dilated surrounding veins. Before operative repair, which investigation is most important?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: E — MRI with venous sinus imaging

A large midline membranous aplasia cutis defect can overlie a skull defect or communicate with the superior sagittal sinus. Cross-sectional imaging with venous assessment is required before biopsy, debridement or reconstruction because uncontrolled sinus haemorrhage can be catastrophic.

Reference: https://academic.oup.com/bjd/pages/bad-guidelines