PMC5592105_01
Appearance of the lesion: reddish, ulcerated, approximately 3 cm in diameter
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PMC5592105_01_ijotm-8-168-g001.jpg
F1
Examination of the skin revealed a reddish and ulcerative mass, about 3 cm in diameter on the left inguinal area (Fig. 1).
Immunohistochemical staining of the lesion: CD4+
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PMC5592105_01_ijotm-8-168-g002.jpg
F2
Immunohistochemical (IHC) staining showed that the neoplastic cells were CD4 and CD3 positive with aberrant loss of CD5 and negative B-cell markers (CD20, CD79 alpha, and PUX5) in favor of post-transplantation cutaneous lymphoproliferative disease (PTCLD) (Fig 2).