Evidence Hub

Upper Urinary Tract Carcinoma With Primary Small Cell Neuroendocrine Cancer—Case Report and Review of Literature

Siddhant Kumar, S. Bhaskara, A. Krishnakanth, Abhijit Shah, Siddalingeshwar C. Doddamani, Padmaraj Hegde, Arun Chawla

IJU Case Reports, 2026

Abstract

ABSTRACT Introduction Upper Urinary Tract Small Cell Neuroendocrine Ca are extremely rare carcinomas with less than 40 reported cases in literature. Case 92 years old male with left flank pain and diagnosed to have an enhancing renal pelvic mass, which on histopathological examination was noted to have a predominant small cell carcinoma component. Conclusion This case report attempts to shed a light on the patients with small cell neuroendocrine carcinoma of the upper tract with its silent and aggressive nature.

How strong is the evidence?

Evidence Hub reads this as a case report, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.

How the five levels of evidence work. The level is assigned automatically from the abstract and can be wrong, so check the paper.

Read the paper

Related studies

Go deeper in Evidence Hub

Evidence Hub adds a study data sheet (design, sample size, evidence level, key numbers), an AI summary and a chat grounded in the paper's text.

Open this study Sign up free