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62 Possible Causes for Squamous Metaplasia of the Bladder

  • Schistosomiasis

    metaplasia (leukoplakia); - Ulceration ; - Epithelium over calcified ova, appears as "sandy patch" at the base of bladder ; - Marked fibrosis around ureteric orifice causes[histopathology-india.net] Pathological changes in Urinary bladder: Ova are deposited in submucosa of urinary bladder producing granulomas. Ova are excreted with urine.[histopathology-india.net] Mucosal changes are as follows: - Initial hyperemia and petechae ; - Polypoid or elevated areas covered with granular mucosa ; - Glandular hyperplasia (cystitis cystica) ; - Squamous[histopathology-india.net]

  • Schistosoma Hematobium Infection

    PATHOGENESIS Studies have shown the relationship between S. haematobium infection and the development of squamous cell carcinoma of the bladder.[flipper.diff.org] Several mechanisms have been suggested to explain the role of S. haematobium in bladder cancer: Fibrosis induced by schistosome eggs may induce proliferation, hyperplasia and metaplasia[flipper.diff.org]

  • Leukoplakia of the Bladder

    .: Squamous metaplasia of the bladder: a study of 450 patients. J. Urol., 112 , 479 (1974). Google Scholar 7.[link.springer.com] Non-keratinizing squamous metaplasia of the bladder neck and trigone can be seen in 50-70% of premenopausal women and is considered a normal variant.[sharecare.com] squamous metaplasia.[e.uuuwell.com]

  • Trigonitis

    In one autopsy study of adult women, histological evidence of chronic inflammation was found significantly more often in bladders with squamous metaplasia.[emedicine.com] Non-keratinizing squamous metaplasia of the bladder neck and trigone can be seen in 50-70% of premenopausal women and is considered a normal variant.[sharecare.com] Although the precise underlying cause is not known, squamous metaplasia in the bladder usually occurs in response to an irritative (eg, chronic indwelling catheter) or infectious[emedicine.com]

  • Cystitis

    Histopathology report revealed haphazardly arranged myofibroblasts, fibroblasts and histiocytes and discrete areas of non-keratinising squamous metaplasia that was suggestive[ncbi.nlm.nih.gov] She was treated by transurethral resection of bladder mass. The patient's symptoms significantly improved after surgery.[ncbi.nlm.nih.gov] Cystoscopy revealed a single glistening, polypoid growth of approximately 3 cm 2.5 cm at the left lateral wall and the trigone of the urinary bladder.[ncbi.nlm.nih.gov]

  • Squamous Cell Carcinoma of the Bladder

    Home Genitourinary Urinary Bladder Squamous Lesions in Urinary Bladder Squamous Metaplasia Non-keratinizing Squamous Metaplasia Keratinizing Squamous Metaplasia Keratinizing[webpathology.com] Keratinising squamous metaplasia of the bladder: natural history and rationalization of management based on review of 54 years experience.[emedicine.medscape.com] , possibly from sites of squamous metaplasia, which were present at the time of initial diagnosis.[link.springer.com]

  • Cystitis Cystica

    Abstract The frequency of Brunn's nests, cystitis cystica and squamous metaplasia was studied by multiple histologic sections in 100 grossly normal bladders obtained at postmortem[ncbi.nlm.nih.gov] The prevalence and significance of Brunn's nests, cystitis cystica and squamous metaplasia in normal bladders. J Urol 1979;122:317-21. [ PUBMED ] 2. Young RH, Elbe JN.[ijpmonline.org] Other metaplastic entities in the urinary bladder include squamous metaplasia and nephrogenic adenoma.[en.wikipedia.org]

  • Pelvic Inflammatory Disease

    Cytology of bladder washings from persons with stones and UTIs has shown squamous metaplasia, indicating a possible increased risk for malignancy.[dx.doi.org] Injections of Escherichia coli and other coliforms into rat bladders led to inflammation, papillary hyperplasia, and squamous metaplasia, suggesting chronic inflammation as[dx.doi.org] This population is subject to frequent bacterial infections, and during screening cystoscopy, chronic cystitis and squamous cell metaplasia have been found at high frequencies[dx.doi.org]

  • Malignant Neoplasm of Urinary Bladder

    Keratinising squamous metaplasia of the bladder: natural history and rationalization of management based on review of 54 years experience.[emedicine.com] Under conditions of chronic inflammation, such as infection of the bladder with the Schistosoma haematobium parasite, squamous metaplasia may occur in the bladder; the incidence[web.archive.org] Keratinizing squamous metaplasia of the bladder: a review. Urol Int. 2008. 81(3):247-51. [Medline]. Khan MS, Thornhill JA, Gaffney E, Loftus B, Butler MR.[emedicine.com]

  • Papilloma of the Bladder

    […] lesions are distinctively uncommon in biopsies of the urinary bladder with the exception of nonkeratinizing squamous metaplasia.[journals.lww.com] The study group consisted of 35 patients with mixed UC/SCC of the bladder and the control group consisted of 12 patients with squamous metaplasia of the bladder.[journals.plos.org] Primary squamous cell carcinomas in the bladder are uncommon in Norway, but do occur in patients with chronic infections and keratinizing squamous metaplasia in bladder mucosa[oncolex.org]

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