<unk>  is a chronic blockage of the sweat gland ducts with a secondary, nonbacterial inflammatory response to the secretions and cellular debris in the cysts. Hidradenitis is very similar but tends to have a secondary bacterial infection so that pus-draining sinuses are formed. It is a very devastating skin<unk>  that does not have universally curative treatments.
Fox-Fordyce disease
Sneddon-Wilkinson disease
Urbach–Wiethe disease
Danon disease
Braun-Bayer syndrome
Kearns-Sayer syndrome
Cowden syndrome
Salla disease