Mullerian Type Tumors
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Clear cell carcinoma or mesonephric carcinoma (outdated term); Endometrioid adenocarcinoma; Tumors of Mullerian type
Mullerian type tumors are tumor with glandular differentiation which show clear cell or endometrioid adenocarcinoma features on histology. They resemble the homonym tumors of the female genital tract.
They are rare tumors, less than 1% of the malignancies of the urinary tract.
They occur in middle-aged and elderly patients.
Clear cell carcinoma occurs more in the females, with femate-to-male ratio of 2:1.
Few cases of endometrioid adenocarcinoma have been reported only in female patients in association with endometriosis.
Clear cell carcinoma is more common in urethral diverticulum, in the bladder neck, in the trigone of the bladder, or in a mullerian duct cyst (Novak et al. 1981).
Endometrioid carcinoma arises from trigone and posterior wall of the bladder where endometriosis is more common.
References and Further Reading
- Adeniran, J. A., & Tamboli, P. (2009). Clear cell adenocarcinoma of the urinary bladder a short review. Archives of Pathology & Laboratory Medicine, 133, 987–991.Google Scholar
- Oliva, E., Amin, M. B., Jimenez, R., & Young, R. H. (2002). Clear cell carcinoma of the urinary bladder: A report and comparison of four tumors of mullerian origin and nine of probable urothelial origin with discussion of histogenesis and diagnostic problems. The American Journal of Surgical Pathology, 26, 190–197.PubMedCrossRefGoogle Scholar