Primary follicular mucinosis: long-term follow-up of patients younger than 40 years with and without clonal T-cell receptor gene rearrangement.

Since the original descriptions of follicular mucinosis, accumulating experience shows that patient age, distribution of lesions, and duration or extent of disease do not reliably distinguish benign primary follicular mucinosis from secondary follicular mucinosis, associated with cutaneous lymphoma. More recently, it has been suggested that individuals with… (More)