Anterior sacral meningocele is an unusual lesion that usually presents as a presacral mass. This is a case presentation of
a young woman who presented with amenorrhea. On physical examination, a large presacral mass was found. Ultrasonography revealed
a large cystic structure. Radiography of the pelvis demonstrated a sacral deformity or “scimitar sign” that is pathognomonic
for anterior sacral meningocele. The diagnosis was confirmed by computed tomography with myelographic enhancement.
Key words Anterior sacral meningocele - Presacral mass - “Scimitar sign”
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