Trichodysplasia spinulosa (TS) is a unique, rare clinical and histological dermatologic entity described mainly in setting of immunosuppression. It caused by novel human polymoavirus, trichodysplasia spinulosa-associated polyomavirus (TSPyV). We report biopsy-proven case TS renal transplant patient presented to dermatology outpatient clinic Montreal, Canada 2015. Reduction immunosuppression and...