Season 8 Case 29
Hx: Buttock pain

History: Buttock Pain

Answer: Hidradenitis suppurativa
inflammation of the apocrine glands - seen in buttocks, groin, axilla, infra-mammary
inflammation -> abscesses -> sinus tracts
Look for: Marked skin thickening and subdermal inflammation sometimes with visible sinus tracts and fluid collections/abscesses