A rare localised nasal CD30+ primary cutaneous T-cell lymphoma following liver transplantation

Cutaneous T-cell post-transplant lymphoproliferative disorder (PTLD) is a rare clinical presentation that can potentially turn aggressive in solid-organ transplant recipients if not detected and intervened on early. We encountered a rare case of rapidly worsening primary cutaneous CD30-positive, Epstein-Barr virus-negative anaplastic large cell lymphoma (ALCL) of T-cell origin, manifesting as an isolated nasal tip lesion in a 71-year-old man 4 years after orthotopic liver transplantation. Excisional biopsy with partial rhinectomy showed subepithelial diffuse infiltration of medium-to-large lymphoid cells having round-to-irregular nuclei, partially condensed chromatin and prominent nucleoli. Immunophenotypic studies revealed CD30-positive primary cutaneous ALCL. Positron emission tomography/CT imaging revealed a locally active disease, and radiation therapy was initiated with complete response. A high index of suspicion for PTLD when evaluating skin lesions in a post-transplant patient is paramount for its early recognition, prompt diagnosis and timely intervention while the window for curative therapy remains possible.

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