Trichodysplasia spinulosa: a polyomavirus infection specifically targeting follicular keratinocytes in immunocompromised patients.

Rouanet, J; Aubin, F; Gaboriaud, P; Berthon, P; Feltkamp, M C; Bessenay, L; Touzé, A; Nicol, J T J et al. · Br J Dermatol · 2016

case_report · Level V

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Abstract

Trichodysplasia spinulosa (TS) is a rare skin disease, caused by a specific polyomavirus, occurring in immunocompromised patients. The pathophysiological mechanisms of TS are not yet fully understood. By using polymerase chain reaction and skin biopsy immunostaining we report evidence, in a paediatric case, of follicular keratinocytes being the primary target of trichodysplasia spinulosa-associated polyomavirus.

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