68 BASICS
Foreign body
Feline mycoplasma abscess
Bacterial granulomas
Focal adnexal dysplasia secondary to chronic folliculitis/furunculosis. Fungal:
Majocchi granuloma/pseudomycetoma – dermatophyte granuloma
Sporotrichosis
Eumycetoma
Phaeohyphomycosis
Zygomycosis
Hyalohyphomycosis
Cryptococcosis
Coccidioidomycosis
Blastomycosis
Histoplasmosis.
Parasitic:
Demodicosis
Leishmaniasis
Rhabditic dermatitis
Protista; pythiosis, protothecosis.
Viral:
Viral papillomas.
Hypersensitivity:
Urticaria
Angioedema
Eosinophilic granuloma
Arthropod bite hypersensitivity
Mosquito bite hypersensitivity (cat).
Vascular:
Arteriovenous fistula
Vasculitis
Thrombosis
Clotting disorders.
Metabolic:
Cutaneous xanthomatosis
Calcinosis cutis
Calcinosis circumscripta
Nodular cutaneous amyloidosis.
Miscellaneous:
Sterile nodular panniculitis
Traumatic panniculitis
Postinjection panniculitis
Sterile nodular periadnexal pyogranulomatous dermatitis
Canine juvenile cellulitis syndrome
Reactive histiocytosis – cutaneous/systemic