55 | paediatric follicular mucinosis without progression to mycosis fungoides: A long-term clinicopathologic study

Background. Follicular mucinosis (FM), also known as alopecia mucinosa, is a rare clinicopathologic entity characterized by mucin deposition within the follicular epithelium, with or without sebaceous gland involvement [1,2]. Since its original description, the main concern has been its possible relationship with cutaneous T-cell lymphoma, particularly mycosis fungoides (MF) [3]. This study aimed to characterize the clinical, histopathologic, molecular, therapeutic, and follow-up features of pediatric FM in a large single-center cohort.Materials and Methods. We performed a retrospective single-center study including patients aged