Histopathology · 2020
Genital verruciform xanthoma: lessons from a contemporary multi-institutional series.
СтатьяНазвание и аннотация: Перевод в очереди
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Wang Grace, Mochel Mark C, Randall M Barry, Gandhi Jatin S, Udager Aaron M, Chan May P, Patel Rajiv M, Amin Mahul B, Osunkoya Adeboye O, Smith Steven C
Аннотация
AIMS: Verruciform xanthoma (VX) is an uncommon lesion, seen in the oral mucosa and rarely occurring at cutaneous genital sites. Reports of exceptional VX presentations dominate the literature; herein, we assess the clinical and histological features of a cohort of routine, consecutive cases.
METHODS AND RESULTS: Clinicopathological features of genital VXs from four academic centres were reviewed. A cohort of 25 lesions from 24 patients (22 male, two female; median age = 62 years), occurred on the scrotum (84%), penis (8%) and perineum/vulva (8%). VX was never suspected clinically; considerations ranged from fibroepithelial polyps to squamous cell carcinoma. Classic diagnostic criteria were present at least focally in each lesion, including verrucous architecture, prominent wedge-shaped parakeratosis extending between exophytic epidermal projections and neutrophils in the stratum corneum. Xanthomatous cells were present in all cases, but scattered to rare in 24%.
CONCLUSIONS: Consecutive genital VXs reliably exhibited classic histopathological features, although the essential finding of xanthomatous cells may be scarce. Our comparison to meta-analyses of published cases found relatively fewer penile and vulvar examples. Additionally, the median age was older than in published series, which have emphasised syndromic associations.
METHODS AND RESULTS: Clinicopathological features of genital VXs from four academic centres were reviewed. A cohort of 25 lesions from 24 patients (22 male, two female; median age = 62 years), occurred on the scrotum (84%), penis (8%) and perineum/vulva (8%). VX was never suspected clinically; considerations ranged from fibroepithelial polyps to squamous cell carcinoma. Classic diagnostic criteria were present at least focally in each lesion, including verrucous architecture, prominent wedge-shaped parakeratosis extending between exophytic epidermal projections and neutrophils in the stratum corneum. Xanthomatous cells were present in all cases, but scattered to rare in 24%.
CONCLUSIONS: Consecutive genital VXs reliably exhibited classic histopathological features, although the essential finding of xanthomatous cells may be scarce. Our comparison to meta-analyses of published cases found relatively fewer penile and vulvar examples. Additionally, the median age was older than in published series, which have emphasised syndromic associations.