Two dogs presented with nodular masses on the head and scapula. The masses recurred after excision and were submitted for histopathological examination. Macroscopically, hemorrhage and necrosis were apparent on the cut surface. Microscopically, the lesions were poorly demarcated and incorporated subcutaneous fat and adjacent skeletal muscle fibers. Fibrocytes and fibroblasts were admixed and haphazardly arranged. Both were diagnosed with nodular fasciitis (NF). NF has been rarely reported and called as a ‘pseudosarcomatous’ lesion because of its infiltrative growth and cellular pleomorphism. The present report describes unusual cases of recurrent NF in two young dogs based on histopathologic and clinical features.

A 2-month-old Turkish Angora cat presented with multiple skin masses after first vaccination and spot-on antiparasitic treatment. There was no hair loss or pruritis, and tests revealed negative for the feline leukemia and immunodeficiency viruses. Biopsy revealed densely packed eosinophils in sparse dermal tissue with a few mast cells. These lesions did not respond promptly to prednisolone treatment, but they regressed without relapse over the following month, despite sequential vaccinations and anti-parasitic treatment. The present case is interesting considering the rarity of multiple eosinophilic granuloma development in a very young cat with a recent history of vaccination and antiparasitic treatment.

A case of caseous lymphadenitis (CL) was detected in a native Korean goat without manifestation of superficial nodules but with pulmonary abscesses that were characterized microscopically by granulomatous inflammation consisting of a central necrotic region, peripheral fibrous capsule, and numerous cellular infiltrates with epithelioid macrophages, giant cells, and lymphocytes. Presence of Corynebacterium pseudotuberculosis was identified by using bacterial isolation and multiplex PCR. In addition, a 43% seropositivity to C. pseudotuberculosis was observed in goats from the same farm. This case highlights the risk of exposure of farmers to the causative agent and the urgent need for national monitoring for CL, a potential zoonotic.