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Cutaneous Lymphoma
Cutaneous lymphoma is lymphoma that primarily affects the skin. It can occur in both dogs and cats and may initially mimic other skin conditions.
Key Facts
- Skin form of lymphoma; can be T-cell or B-cell type
- Dogs: epitheliotropic (mycosis fungoides) is most common type; mimics chronic dermatitis
- Cats: often presents as plaques, nodules, or ulcers
- Signs: scaly patches, redness, hair loss, skin thickening, ulcerated nodules
- Often misdiagnosed initially as allergies or infections
- Diagnosis requires skin biopsy
- Treatment: retinoids, lomustine (CCNU), radiation, topical nitrogen mustard
- Prognosis generally guarded; median survival varies widely
- Species: dogs and cats