Italian journal of dermatology and venereology · 2022
Folliculosebaceous units are a frequent finding in early lichen sclerosus of the foreskin.
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Miracco Clelia, DE Piano Ernesto, Marruganti Crystal, Baldino Gennaro, Sorrentino Ester, Batsikosta Anastasia, Rubegni Pietro, Angotti Rossella, Messina Mario, Cinotti Elisa
Аннотация
BACKGROUND: Folliculosebaceous units (FSU) has been considered an early target of inflammation in vulvar lichen sclerosus (VLS). This diagnostic clue is not reported in lichen sclerosus (LS) of the foreskin (FLS) that is normally hairless. We evaluated the presence and inflammation of FSU and sebaceous glands (SG) in LS of the foreskin.
METHODS: Histological specimens from therapeutic circumcision were assessed in order to evaluate the frequency and inflammation of FSU and SG in LS.
RESULTS: Ninety-eight cases, grouped into 46 early (group 1) and 52 overt (group 2) FLS were included in the study. SG-FSU were found in 95.7% of group 1, and 65.4% of group 2 cases. Their density was inversely correlated with patient age (P=0.0014). We observed perifollicular inflammation in all cases with visible SG-FSU and frequent FSU abnormalities.
CONCLUSIONS: SG and FSU were frequent in early FLS and decreased in advanced disease and adults. We hypothesize that SG and FSU are involved in the inflammatory process leading to FLS. These data, which need further investigation, could help to better understand the pathogenesis of FLS.
METHODS: Histological specimens from therapeutic circumcision were assessed in order to evaluate the frequency and inflammation of FSU and SG in LS.
RESULTS: Ninety-eight cases, grouped into 46 early (group 1) and 52 overt (group 2) FLS were included in the study. SG-FSU were found in 95.7% of group 1, and 65.4% of group 2 cases. Their density was inversely correlated with patient age (P=0.0014). We observed perifollicular inflammation in all cases with visible SG-FSU and frequent FSU abnormalities.
CONCLUSIONS: SG and FSU were frequent in early FLS and decreased in advanced disease and adults. We hypothesize that SG and FSU are involved in the inflammatory process leading to FLS. These data, which need further investigation, could help to better understand the pathogenesis of FLS.