Plasma cell pododermatitis, an uncommon disease of unknown etiology, is described in a six year old male domestic short-haired cat. The cat was referred with a history of lameness associated with swelling, softness and ulceration of the foot pads. The history suggested a seasonal occurrence of the condition. The dermis and subcutis of the foot pads were infiltrated by inflammatory cells which were mainly plasma cells. The large number of plasma cells present in the lesions suggests an immunological basis for the condition.
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