Hidradenitis suppurativa is a disease of:

Hidradenitis suppurativa is chronic inflammation and secondary infection of apocrine sweat glands Aetiology : Unknown ,common in post-pubeal females, maybe inherited(AD in some families) C/F Rare chronic painful skin condition with inflammation of the skin at sites rich in apocrine glands (axilla, groin, natal cleft) O/E Papules/nodules and abscesses which often progress to cysts/sinus formation. Abscess may rupture--> Purulent discharge. Rx: Weight loss, antibiotics, oral retinoids and co-cyprindiol ('2 mg cyproterone acetate +35 ug ethinylestradiol' in females only) have been tried Severe recalcitrant cases- Sx , skin grafting and IV infliximab therapy Hidrocystoma- Eccrine sweat glandsHidradenitis suppurativa- Apocrine sweat glands