Fig. 1From: The diagnosis and management of NK/T-cell lymphomasClinical features of NK/T-cell lymphomas. a Nasal lesion that has ulcerated into the face. b Nasal lesion with extension to the orbit. c Cutaneous lesion in the knee that has ulcerated. Note the two adjacent lesions in their early stages. d Perforation of the hard palate, leading to a communication between the oral and nasal cavitiesBack to article page