Xanthogranulomatous cystitis is a rare, benign chronic inflammatory disorder with unclear etiology. Since its similar features to bladder neoplasm, it is extremely easy to be mistaken for malignant tumor. We herein reported a case of xanthogranulomatous cystitis in a 54-year-old male who presented with low abdominal pain and painless, total macrohematuria. Microscopy showed proliferation of large foam histiocytes which expressed CD68 and vimentin. Ki-67 showed a lower proliferation index (< 10%). Histopathology and immunohistochemical findings confirmed the diagnosis. This case highlighted the significance of recognizing this unusual lesion and differentiating it from its histological mimics by immunohistochemical staining.
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Asian J Surg
April 2024
Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, 300052, China. Electronic address:
Radiographics
December 2023
From the Departments of Radiology (K.P.S., V.R.S., R.B., S.R.P.) and Pathology (N.R.), Michael E. DeBakey VA Medical Center, Houston, Tex; Department of Radiology, NYU Langone Health, New York, NY (K.P.S.); Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, Pa (R.B.); and Department of Radiology, The University of Texas MD Anderson Cancer Center, 1400 Pressler St, Unit 1473, Houston, TX 77030 (V.R.S., S.R.P.).
A diverse spectrum of pathologically distinct, nonneoplastic, proliferative conditions of the kidneys and urinary tract demonstrate a expansile growth pattern similar to that of neoplasms. The renal pseudotumors include myriad causes of infections as well as rare noninfectious causes such as sarcoidosis, amyloidosis, and immunoglobulin G4-related disease (IgG4-RD). Rare entities such as cystitis cystica, endometriosis, nephrogenic adenoma, and pseudosarcomatous myofibroblastic proliferation and distinct types of prostatitis comprise tumefactive nontumorous disorders that affect specific segments of the urinary tract.
View Article and Find Full Text PDFJ Int Med Res
November 2023
Department of Pathology, The First People's Hospital of Zhengzhou, Zhengzhou, China.
Xanthogranulomatous cystitis (XC) is a rare benign disease of chronic granulomatous inflammation. We report a 23-year-old woman with xanthogranulomatous cystitis. She was referred to our hospital with the chief complaint of a 1-year history of frequent, urgent dysuria with recurrent fever.
View Article and Find Full Text PDFClin Imaging
December 2023
University of California, Los Angeles, United States.
Cureus
April 2023
Department of Morbid Anatomy, University of Nigeria Teaching Hospital, Enugu, NGA.
Xanthogranulomatous cystitis (XC) is a very rare urinary bladder condition, of unknown etiology. It may mimic bladder malignancy; therefore, histopathologic assessment is crucial in diagnosis. We report a case of a 38-year-old female who presented with persistent, painless hematuria and a strong consideration of bladder malignancy clinically and on cystoscopy.
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