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89 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]

  • Trigonitis

    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] In one autopsy study of adult women, histological evidence of chronic inflammation was found significantly more often in bladders with squamous metaplasia.[emedicine.medscape.com] Widran J, Sanchez R, Gruhn J (1974) Squamous metaplasia of the bladder: A study of 450 patients. J Urol 112: 479 PubMed Google Scholar 11.[link.springer.com]

  • Hypervitaminosis A

    Vitamin A deficiency resulted in squamous metaplasia of the urinary bladder and high incidences of cystitis, ureteritis, and pyelonephritis.[cancerres.aacrjournals.org] Most of these tumors were squamous cell, occasionally with transitional cell foci.[cancerres.aacrjournals.org] Administration of FANFT to vitamin A-deficient rats appeared to accelerate the carcinogenic process, with earlier appearance of urinary bladder tumors and the development[cancerres.aacrjournals.org]

  • Spina Bifida

    There is only one previously reported case of urothelial carcinoma with associated squamous metaplasia of the bladder occurring in a spina bifida patient.[ncbi.nlm.nih.gov] Patients with neurogenic bladders are particularly at risk for developing bladder cancer, mostly squamous cell carcinoma and rarely adenocarcinoma.[ncbi.nlm.nih.gov] Spina bifida is a congenital developmental abnormality that may result in neurogenic bladder.[ncbi.nlm.nih.gov]

  • Urethral Syndrome

    Between January 1997 and December 2003, 62 consecutive women with the urethral syndrome and squamous metaplasia of the bladder neck-trigone, who were refractory to drugs,[ncbi.nlm.nih.gov] Bladder biopsies showed squamous metaplasia in 15 and lymphocytic infiltration of the lamina propria in 29, giving support to an inflammatory aetiology of this enigmatic syndrome[ncbi.nlm.nih.gov] At 3 months, cystoscopy and biopsy showed squamous metaplasia was no longer present in patients whose symptoms had improved.[ncbi.nlm.nih.gov]

  • Bladder Adenocarcinoma

    There is only one previously reported case of urothelial carcinoma with associated squamous metaplasia of the bladder occurring in a spina bifida patient.[ncbi.nlm.nih.gov] Keratinising squamous metaplasia of the bladder: natural history and rationalization of management based on review of 54 years experience.[emedicine.medscape.com] […] and are thought to arise from metaplasia secondary to chronic inflammation.[jmedicalcasereports.com]

  • Bladder Neck Obstruction

    […] neck submucosal inflammatory infiltration and edema thickening, and a greater proportion of squamous metaplasia.[healthfrom.com] Some cases of bladder neck pathological sections, you can see the proliferation of glands, morphological observation, these glands and male prostate is very similar. 4. bladder[healthfrom.com] Prevention Female bladder neck obstruction prevention The disease occurred in middle-aged women, may be reduced with estrogen levels, urethral vaginal epithelial atrophy reduced[healthfrom.com]

  • Avitaminosis A

    Vitamin A deficiency resulted in squamous metaplasia of the urinary bladder and high incidences of cystitis, ureteritis, and pyelonephritis.[cancerres.aacrjournals.org] Most of these tumors were squamous cell, occasionally with transitional cell foci.[cancerres.aacrjournals.org] Administration of FANFT to vitamin A-deficient rats appeared to accelerate the carcinogenic process, with earlier appearance of urinary bladder tumors and the development[cancerres.aacrjournals.org]

  • Bladder Contracture

    […] neck mucosa may have squamous metaplasia.[healthfrom.com] 3-10 34 Squamous Metaplasia 3-23 35 Nephrogenic Metaplasia Nephrogenic Adenoma 3-29 36 Urothelial Hyperplasia 3-40 References 3-45 41 Polyps and Polypoid Lesions of the Bladder[books.google.de] Prevention Congenital bladder neck contracture prevention The cause of the disease and bladder development of mesodermal tissue degradation, sphincter hypertrophy, so the[healthfrom.com]

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