医学
病理
分级(工程)
异型性
组织学
外科病理学
组织病理学
癌
免疫组织化学
放射科
活检
作者
Andres Matoso,Vamsi Parimi,Jonathan I. Epstein
标识
DOI:10.1016/j.humpath.2021.04.002
摘要
Summary Noninvasive low-grade papillary urothelial carcinoma is a papillary neoplasm with orderly appearance and mild nuclear pleomorphism. Some cases show significant nuclear pleomorphism with degenerative atypia leading to grading difficulties. A retrospective review of the pathology files identified 16 cases diagnosed as noninvasive low-grade papillary urothelial carcinoma with degenerative atypia. Fifteen cases were consults. The average age was 46 years (range 19–78). The average size was 1.7 cm (range: 0.3–3.5). The submitting diagnoses in consults were noninvasive high-grade papillary urothelial carcinoma (n = 6), condyloma (n = 1), atypical papillary lesion (n = 1), prominent umbrella cells (n = 1), and not given (n = 6). Ki-67 proliferation rate was
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