[A case of nasal NK/T-cell lymphoma]

A 29-year-old male patient with extranodal NK/T-cell lymphoma, a nasal type lymphoma with involvement of skin as the first symptom, was reported. The patient presented with swelling in the left side of the nose and suffered intermittent fever for 1 month. The fester in the oral mucosa and skin under the left nostril and redness, and the swelling on the orbit of the left eye lasted for 1 week. Physical examination showed that the left side of nose was swelling, and the skin below the left nostril was anabrotic and crusted. There were different ulcers in his jaws and buccal mucosa. Bilateral eyelid was redness and swelling, especially in the left side. Binocular conjunctival was congestive. The diagnosis of extranodal NK/T-cell lymphoma (nasal type) was confirmed by biopsy and immunohistochemistry.