膀胱乳头状瘤是一种罕见的泌尿道良性肿瘤，占膀胱肿瘤的 1-4%。通过光学显微镜诊断其独特的特征，包括结构和细胞学特征。尽管膀胱乳头状瘤很罕见，但由于其独特的特征、低复发风险和潜在进展为其他尿路上皮肿瘤，因此具有临床意义。了解这种情况对于早期诊断和最佳患者护理至关重要。 一名患有良性前列腺增生的 66 岁男性出现一个月的间歇性血尿。体格检查和实验室检查均无异常。影像学显示右侧膀胱壁有 11 × 10 × 7 毫米回声结节性病变并伴有钙化。膀胱镜检查发现息肉样病变，导致经尿道切除术。组织病理学检查证实膀胱乳头状瘤没有恶性特征。膀胱乳头状瘤通常表现为血尿，主要发生在年轻患者中，复发率低，很少进展为侵袭性癌症。诊断包括内窥镜检查和切除，然后进行膀胱镜监测。了解其分类、特征和危险因素有助于准确的治疗。膀胱乳头状瘤的诊断依赖于光学显微镜，以血尿为主要症状，通常发生在年轻患者中。复发风险很低，并且进展为侵袭性癌症的情况很少见。诊断包括内窥镜检查、切除和膀胱镜随访。该病例增强了我们对膀胱乳头状瘤的了解，有助于改善护理。版权所有 © 2024。由 Elsevier Ltd 出版。

Bladder papilloma, a rare benign tumor of the urinary tract, accounts for 1-4 % of bladder tumors. Its distinct features, diagnosed through light microscopy, include architectural and cytological characteristics. Despite its rarity, bladder papilloma is clinically significant due to its distinct traits, low recurrence risk, and potential progression to other urothelial neoplasms. Understanding this condition is crucial for early diagnosis and optimal patient care.A 66-year-old male with benign prostatic hyperplasia presented with one month of intermittent hematuria. Physical examination and laboratory tests were unremarkable. Imaging revealed an 11 × 10 × 7 mm echogenic nodular lesion with calcifications on the right bladder wall. Cystoscopy identified a polypoid lesion, leading to transurethral resection. Histopathological examination confirmed bladder papilloma without malignant features.Bladder papilloma typically presents with hematuria, mainly in younger patients, with low recurrence and rare progression to aggressive cancers. Diagnosis involves endoscopy and resection, followed by cystoscopic surveillance. Understanding its classification, characteristics, and risk factors aids in accurate management.Bladder papilloma diagnosis relies on light microscopy, with hematuria as a primary symptom, often in younger patients. Recurrence risk is low, and progression to aggressive cancers is rare. Diagnosis involves endoscopy, resection, and cystoscopic follow-up. This case enhances our understanding of bladder papilloma, contributing to improved care.Copyright © 2024. Published by Elsevier Ltd.