Centro Diagnostico Italiano, Milano, Italy.
Int J Surg Pathol. 2020 Oct;28(7):764-767. doi: 10.1177/1066896920925919. Epub 2020 May 21.
In this article, we report a case of anal fibroepithelial polyp with benign squamous cell vascular pseudoinvasion. The patient was a 38-year-old Caucasian man, who presented at our institution for recurrent episodes of anal discomfort. Clinical evaluation revealed the presence of 2 pedunculated anal polyps that were resected and submitted for histological evaluation. On microscopic evaluation, one of the polyps shows epithelial endovascular displacement associated with morphological signs of traumatism. The differential diagnosis and possible pathogenetic mechanisms explaining the presence of such findings are discussed. To the best of our knowledge, this is the first case reported of an anal fibroepithelial polyp with epithelial vascular pseudoinvasion.
本文报道了 1 例伴有良性鳞状细胞血管假性浸润的肛门纤维上皮息肉。患者为 38 岁白人男性，因反复发作的肛门不适就诊于我院。临床评估发现存在 2 个带蒂的肛门息肉，已行切除术并送检组织学检查。显微镜下评估显示，其中 1 个息肉显示上皮血管内移位，伴有创伤的形态学征象。讨论了这些发现的鉴别诊断和可能的发病机制。据我们所知，这是首例报道的伴有上皮血管假性浸润的肛门纤维上皮息肉。
