Juvenile sterile granulomatous dermatitis and lymphadenitis (JSGDL; ie, juvenile cellulitis, juvenile pyoderma, puppy strangles) is a nodular granulomatous inflammatory disorder of unknown pathogenesis for which no microbial organisms have been identified.
Figure 1. (above). Swelling and erosions of the muzzle and periocular area of a male Chihuahua crossbreed (8 weeks of age). Submandibular lymphadenopathy and exudative otitis externa were also noted on examination.