an atypical subcutaneous cytomegalovirus infection mimicking a post-transplant lymphoproliferative disorder in a solid organ transplant recipient

Cytomegalovirus (cmv) infection is a common cause of morbidity and mortality in solid organ transplant recipients and immunocompromised hosts. however, tissue-invasive cmv infection, causing cutaneous or subcutaneous diseases, has been rarely reported in the literature, and proper diagnosis can be easily delayed due to the rarity. here, we report a rare case of a 45-year-old male renal transplant recipient, presenting with subcutaneous nodules. the nodules were initially suspected as a post-transplant lymphoproliferative disorder (ptld) on computed tomography (ct) scan. however, biopsy later indicated a cmv infection. based on the present findings, clinicians and radiologists are suggested to consider cmv infection as a differential diagnosis of subcutaneous nodular lesions in solid organ transplant recipients.