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回顾性分析基底细胞痣综合征患儿基底细胞癌的组织病理学特征。

Retrospective analysis of the histopathologic features of basal cell carcinomas in pediatric patients with basal cell nevus syndrome.

机构信息

Department of Dermatology and Dermatopathology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA.

Department of Pediatrics, Section of Dermatology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.

出版信息

J Cutan Pathol. 2021 Mar;48(3):390-395. doi: 10.1111/cup.13899. Epub 2020 Nov 17.

Abstract

Basal cell nevus syndrome (BCNS) is an autosomal dominant condition caused most often by a loss-of-function mutation in the Patched-1 (PTCH1) gene. It is characterized by the development of varied benign and malignant tumors, including numerous cutaneous basal cell carcinomas (BCCs). The PTCH1 gene is integral in hair follicle development and loss of function mutation may lead to BCCs with an infundibulocystic histopathology in BCNS patients. Few studies have described the histopathological features of BCCs in BCNS. The recognition of these histopathologic features by dermatologists, dermatopathologists, and others caring for children will allow earlier and more effective identification of BCNS. We performed a retrospective analysis of 25 BCCs in 11 patients aged 5 to 19 years with BCNS and evaluated the histopathologic features on hematoxylin-eosin-stained sections. Our study found that 80% of BCCs in BCNS patients occurred on the head and neck with 64% of the specimens demonstrating infundibulocystic differentiation. Infundibulocystic differentiation is a common finding in BCCs found in BCNS. The finding of cutaneous neoplasms consistent with BCC with infundibulocystic differentiation in children is common in pediatric patients with BCNS and can be considered to be an early marker of the disorder, prompting further clinical investigation.

摘要

基底细胞痣综合征(BCNS)是一种常染色体显性遗传疾病,主要由 Patched-1(PTCH1)基因突变引起。它的特征是多种良性和恶性肿瘤的发展,包括许多皮肤基底细胞癌(BCC)。PTCH1 基因在毛囊发育中起着重要作用,功能丧失突变可能导致 BCNS 患者的 BCC 具有囊状漏斗状组织病理学特征。少数研究描述了 BCNS 中 BCC 的组织病理学特征。皮肤科医生、皮肤病理学家和其他照顾儿童的人对这些组织病理学特征的认识将有助于更早、更有效地识别 BCNS。我们对 11 名年龄在 5 至 19 岁的 BCNS 患者的 25 例 BCC 进行了回顾性分析,并对苏木精-伊红染色切片进行了组织病理学特征评估。我们的研究发现,BCNS 患者的 80%的 BCC 发生在头颈部,其中 64%的标本显示囊状漏斗状分化。囊状漏斗状分化是 BCNS 中 BCC 的常见发现。在 BCNS 患儿中,常见的是具有囊状漏斗状分化的皮肤肿瘤与 BCC 一致,这可以被认为是该疾病的早期标志物,促使进一步的临床研究。

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