Table of Contents

HK J Paediatr (New Series)
Vol 12. No. 2, 2007

HK J Paediatr (New Series) 2007;12:93-95

Original Article

Management of Sacral Dimples Detected on Routine Newborn Examination: A Case Series and Review

ACW Lee, NS Kwong, YC Wong


Isolated sacral dimples are a common occurrence in Caucasian newborns and there has been a concern about their association with occult spinal dysraphism. A retrospective study was carried out in which infants born in a regional hospital during the year 2003 with a diagnosis of sacral dimple were examined. Twenty-six infants (0.5%) were identified from 5,440 live births. There was a female predominance (61.5%) and all infants were born at term. A tuft of hair close to the dimple was described in 6 babies, but none had any neurological deficit. Only 4 infants underwent ultrasonography or magnetic resonance imaging. No abnormality was detected. None of the 16 children who had been followed up (median 25.7 months) had any neurological deficit. A review of the current literature strongly indicates that isolated sacral dimples are innocuous and imaging study for occult spinal dysraphism is not indicated. A diagnostic strategy on the selective use of ultrasonography as a screening examination in atypical cases is proposed.

Keyword : Dermal sinus; Neonatal screening; Neural tube defects; Physical examination; Spinal dysraphism

Abstract in Chinese


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