Abstract
A subpubic cartilaginous cyst is a rare lesion that may present as a vulvar mass or rarely with dysuria. This condition occurs predominantly in multiparous postmenopausal women and is believed to be secondary to degenerative changes in the fibrocartilaginous disc of the symphysis pubis. The midline location, close relationship with the undersurface of the symphysis pubis and the cystic nature are the clues to the correct diagnosis.
Highlights
A subpubic cartilaginous cyst is a rare lesion that may present as a vulvar mass or rarely with dysuria
A 75-year-old multiparous female presented with dysuria and a palpable vulvar mass
A subpubic cartilaginous cyst is a hypodense mass intimately related to the symphysis pubis (arrows)
Summary
A subpubic cartilaginous cyst is a rare lesion that may present as a vulvar mass or rarely with dysuria. On Computed Tomography (CT), a well-circumscribed midline lesion in close proximity to the symphysis pubis was seen (Fig. 1). The lesion had a complex echotexture, with central anechoic area and peripheral hyperechoic areas (Fig. 2). Confirmed the intimate relationship of the lesion with the inferior margin of the symphysis pubis. The lesion was slightly more intense than muscle on T1-weighted images (WI) and inhomogeneously hyperintense to fat on T2-WI.
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