Primary trichodysplasia spinulosa polyomavirus infection in a kidney transplant child displaying virus‐infected decoy cells in the urine

We report a case of primary trichodysplasia spinulosa (TS) infection in a kidney transplant child and describe for the first time the presence of degenerated TS‐associated polyomavirus (TSPyV)‐infected cells in a TS patient's urine that are morphologically different from BK or JC polyomavirus‐infected decoy cells.

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