<unk>  is the pathologic loss of<unk>  or growth-phase hairs. Classically, it is caused by radiation therapy to the head and systemic chemotherapy, especially with alkylating agents.<unk>  is due to an acute injury to the hair follicles by an endogenous or exogenous cause, resulting in sudden diffuse shedding of structurally damaged hairs. Diffuse alopecia (hair loss) may occur over a period of days. The alopecia is non-scarring. 471x471px
Anagen effluvium
Telogen effluvium
Tinea imbricata
Koilonychia
Linitis plastica
Ichthyosis bullosa of Siemens
Aromaticum rosatum
Xanthelasma