Abstract

Immunosuppression following solid organ transplantation is a known risk factor for the development of posttransplant lymphoproliferative disorders (PTLD). Primary cutaneous T-cell lymphoma (CTCL) occurring in the posttransplant setting is rare, which has made comprehensive understanding of this disease challenging. This study aims to further characterize the spectrum of clinicopathologic features of CTCL in solid organ transplant recipients (SOTR). A retrospective chart review was performed for SOTR who were diagnosed with CTCL at a multi-site academic medical center from January 1, 1998, to December 31, 2013. Eight patients fulfilled the inclusion criteria and were included in this study. Data collected included patient demographics, transplanted organ, the time between transplant and CTCL diagnosis, clinical presentation and rash morphology, a histological subtype of CTCL, immunosuppression regimens, and patient status. Twelve diagnostic skin biopsies for five patients were examined and reviewed by a board-certified dermatopathologist. Six (75%) out of the eight patients were men, two (25%) were women, and the median age was 53 years. The median time from the date of transplant to the diagnosis of CTCL was 8.2 years. Transplanted organs included the liver (4), kidney (3), and heart (1). Clinical presentation varied from papulonodules, comedone-like lesions, intense pruritis, and scaly erythematous eruptions. The most common histologic presentation was folliculotropic mycosis fungoides (FMF) (7/12). Epstein-Barr virus-in situ hybridization (EBV-ISH) was negative in all specimens. We emphasize the rarity of CTCL among SOTR. Although rare in the general population, the FMF subtype appears to be disproportionately seen in SOTR compared with other CTCL.

Full Text
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