A DERMATOSIS RESEMBLING JUVENILE CELLULITIS IN AN ADULT DOG

A two-year-old, female Lhasa apso presented with an acute onset of fev er, anorexia, lethargy prescapular and mandibular lymphadenopathy, oti tis externa, and a dermatitis involving the perioral and auricular ski n. Histopathological examination of affected skin and a mandibular lym ph node was diagnostic for juvenile cellulitis. Extensive hematologica l, serological, urine, skin, and fecal testing together with special s taining, immunofluorescence, and electron microscopic examination of s kin and lymph node biopsies failed to reveal an underlying etiology. A fter 15 weeks the condition resolved completely. This represents the f irst adult case of a dermatosis fitting the clinical, histological, an d clinicopathological description ascribed to juvenile cellulitis.