{"title":"Radiation Nephropathy Complicated by Tubulointerstitial Nephritis with Predominantly Lymphocyte and Plasma Cell Infiltration.","authors":"Tatsuaki Kosaka, Koji Takaori, Azusa Izumiya, Daisuke Hirai, Mitsuteru Koizumi, Shinya Yamamoto, Akiko Mii, Akira Shimizu, Kiyonao Nakamura, Norio Araki, Koichi Seta","doi":"10.2169/internalmedicine.4265-24","DOIUrl":null,"url":null,"abstract":"<p><p>A 64-year-old Japanese woman presented with gross hematuria and was diagnosed with stage IVB cervical cancer. Renal dysfunction was observed following chemoradiation therapy, and a renal biopsy revealed renal thrombotic microangiopathy (TMA) and tubulointerstitial nephritis (TIN), which are atypical features of radiation nephropathy. Contrast-enhanced computed tomography revealed wedge-shaped areas of high contrast, consistent with areas of high radiation dose in the kidneys, thus leading to the diagnosis of radiation nephropathy. This case underscores the importance of integrating clinical, pathological, and radiological findings for the diagnosis of radiation nephropathy, atypical renal biopsy findings, and a combination of TIN and renal TMA.</p>","PeriodicalId":13719,"journal":{"name":"Internal Medicine","volume":" ","pages":"1696-1705"},"PeriodicalIF":1.1000,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12222972/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Internal Medicine","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.2169/internalmedicine.4265-24","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/11/1 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"MEDICINE, GENERAL & INTERNAL","Score":null,"Total":0}
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Abstract
A 64-year-old Japanese woman presented with gross hematuria and was diagnosed with stage IVB cervical cancer. Renal dysfunction was observed following chemoradiation therapy, and a renal biopsy revealed renal thrombotic microangiopathy (TMA) and tubulointerstitial nephritis (TIN), which are atypical features of radiation nephropathy. Contrast-enhanced computed tomography revealed wedge-shaped areas of high contrast, consistent with areas of high radiation dose in the kidneys, thus leading to the diagnosis of radiation nephropathy. This case underscores the importance of integrating clinical, pathological, and radiological findings for the diagnosis of radiation nephropathy, atypical renal biopsy findings, and a combination of TIN and renal TMA.
期刊介绍：
Internal Medicine is an open-access online only journal published monthly by the Japanese Society of Internal Medicine.
Articles must be prepared in accordance with "The Uniform Requirements for Manuscripts Submitted to Biomedical Journals (see Annals of Internal Medicine 108: 258-265, 1988), must be contributed solely to the Internal Medicine, and become the property of the Japanese Society of Internal Medicine. Statements contained therein are the responsibility of the author(s). The Society reserves copyright and renewal on all published material and such material may not be reproduced in any form without the written permission of the Society.
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