Mucinosis, Follicular

**Definition:** A disease of the pilosebaceous unit, presenting clinically as grouped follicular papules or plaques with associated hair loss. It is caused by mucinous infiltration of tissues, and usually involving the scalp, face, and neck. It may be primary (idiopathic) or secondary to mycosis fungoides or reticulosis.

**Tree numbers:** - C17.300.550.550 - C17.800.329.937.122.550 - C17.800.794.550

**Synonyms:** - Alopecia Mucinosa