c195acfe_f_Hair_Loss__Alopecia__in_Cats__Diagnosis
[Condition] Sebaceous adenitis [Description] Sebaceous glands are destroyed, cause unknown; very rare in cats [Symptoms] Circular areas of crusts and scales on head, ears, and neck; hair pulls out easily, leaving skin exposed [Treatment] Antiseborrheic shampoos, fatty acid supplements; in more severe cases, steroids, retinoids [Diagnosis] 
Clinical signs, skin biopsy
Causes of Hair Loss (Alopecia) in Cats
Diagnosis