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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Zhong, Hua George, Saby Kauffman, Eric Guru, Khurshid Azabdaftari, Gissou Xu, Bo |
| Abstract | Background To examine histopathologic features and clinical outcomes of intradiverticular bladder carcinomas. Methods Twenty-two consecutive patients with intradiverticular bladder carcinoma treated with either endoscopic transurethral resection or partial or radical cystectomy at a single institution between years of 1995 to 2011. Clinicopathologic characteristics and oncologic outcomes of patients were retrospectively analyzed, including tissue histology re-review by genitourinary pathologists. Results Histologically, 9 cases (41%) were non-invasive papillary urothelial carcinoma, 13 cases (59%) were invasive urothelial carcinoma, including three cases of small cell carcinoma. Final pathology revealed synchronous extradiverticular urothelial carcinomas in 6 out of 9 cases (67%) of non-invasive and 2 out of 10 cases (20%) invasive intradiverticular urothelial carcinoma, respectively. More than half of cases (13/22, 59%) showed a distinctive hypertrophic layer of muscularis mucosae. There was no statistical difference in disease free survival or overall survival between non-invasive and invasive tumors within approximately 3 years of follow up (mean 38 months, median 32 months). While stage T3 patients generally did poorly, oncologic outcomes for stage T1 patients were no different than those of stage Ta. Conclusion Intradiverticular carcinomas are often associated with a hypertrophic layer of muscularis mucosae that can potentially confound tumor staging. Non-invasive intradiverticular urothelial carcinomas are more likely to have coexisting synchronous extradiverticular lesions. The absence of a muscularis propria layer may not necessarily predispose T1 tumors to more aggressive disease. Virtual Slides The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/13000_2014_222 |
| Related Links | https://diagnosticpathology.biomedcentral.com/counter/pdf/10.1186/s13000-014-0222-8.pdf |
| Ending Page | 7 |
| Page Count | 7 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17461596 |
| DOI | 10.1186/s13000-014-0222-8 |
| Journal | Diagnostic Pathology |
| Issue Number | 1 |
| Volume Number | 9 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2014-11-26 |
| Access Restriction | Open |
| Subject Keyword | Pathology Urinary bladder Intradiverticular carcinomas Histopathologic features Clinical outcome |
| Content Type | Text |
| Resource Type | Article |
| Subject | Histology Pathology and Forensic Medicine |
| Journal Impact Factor | 2.4/2023 |
| 5-Year Journal Impact Factor | 2.6/2023 |
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