Definition:
Sacral dimple is a congenital indentation in the skin on the lower back, which is often located above the crease between the buttocks. It is also known as pilonidal dimples.
Diagnosis:
Sacral dimples may be evident when an infant is physically examined. Imaging tests may be required if the dimples are very large or accompained by discoloration, swelling , drainage, or tenderness. Such tests include ultrasound and magnetic resonance imaging to help rule out more serious conditions
Treatment:
Most sacral dimples do not require treatment as they are harmless. On rare cases however, it indicates a serious spine or spinal cord abnormality.
Symptoms and Signs:
The condition is an indentation, or "pit," in the skin on the lower back, above the crease between the buttocks.
Causes:
The condition is congenital but its causes are unknown.