Extranodal NK/T-lymphoma, nasal type (ENKTCL-NT), is a highly aggressive malignancy linked to Epstein-Barr virus infection. This type of lymphoma primarily affects nasal or upper aerodigestive structures, resulting in a necrotic process. Despite its clinical stage or treatment, ENKTCL-NT is known for itsunfavorableprognosis,Wepresentis a case of a 57-year-old patient who presented with an ulcerated nasal swelling accompanied by nasal obstruction. Imaging revealed a tumorous process within the nasal cavity. Histological and immunohistochemical studies favored a diagnosis of NK/T lymphomanasal-type.The patient underwent primary chemotherapy followed by radiotherapy, achieving complete clinical and radiological response. This response has been maintained for three years after completing the treatment.
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