A 2-month-old boy with divot in the lower back, shown here with the gluteal crease relaxed (Figure A) and spread (Figure B). Infant is a product of an uncomplicated pregnancy and delivery. Nursery stay uneventful. Subsequent feeding and growth normal. Parents report no problems with urination or defecation.
No drainage of fluid from the indentation. No swelling, redness, or tenderness. Normal tone in the lower extremities, normal reflexes, and symmetrical movements. All other physical findings unremarkable.
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