มะเร็งต่อมน้ำเหลืองที่ผิวหนัง

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