Retrospective study reveals occult spinal dysraphism occurs most often with multiple midline skin lesions in children, highlighting the need for spinal magnetic resonance imaging.
OBJECTIVES: To verify the diagnostic value of lumbosacral midline cutaneous lesions in asymptomatic children to detect occult spinal dysraphism (OSD) and to propose a practical approach for clinical investigations with respect to the type of cutaneous lesions observed. DESIGN: Retrospective study of 54 children referred to the Department of Pediatric Dermatology between 1990 and 1999 for congenital midline lumbosacral cutaneous lesions. SETTING: The private or institutional practices of participating dermatologists and pediatricians. MAIN OUTCOME MEASURES: Evaluation of the diagnostic value of midline cutaneous lesions for the detec-tion of OSD. Association of skin examination findings with spinal anomalies detected by magnetic resonance imaging or ultrasound. RESULTS: Occult spinal dysraphism was detected in 3 of 36 patients with an isolated congenital midline lesion and 11 of 18 patients with a combination of 2 or more different skin lesions. CONCLUSIONS: A combination of 2 or more congenital midline skin lesions is the strongest marker of OSD. Careful dermatologic examination is needed to detect suggestive markers and request a spinal magnetic resonance image, which is the most sensitive radiologic approach to detect an OSD.
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Guggisberg et al. (2004) studied this question.
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