Difference between revisions of "Clear cell adenocarcinoma of the urethra"
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Revision as of 18:46, 12 November 2014
Clear cell adenocarcinoma of the urethra, also primary urethral clear cell adenocarcinoma, is a very rare malignant tumour of the urethra.
General
- Predominantly in women.[1]
Microscopic
Features:[1]
- Clear cells - at least focally.
- Hobnailing - classic feature.
Note:
- similar to clear cell adenocarcinoma of the gynecologic tract - see clear cell carcinoma of the uterine cervix.
DDx:
- Clear cell tumours.
- Clear cell adenocarcinoma of the gynecologic tract.
- Clear cell renal cell carcinoma.
- Others.
Images
www:
IHC
Features:
- PAX8 +ve.
- CK7 +ve.
Others:
- CK20 -ve.
- ER -ve.
- PR -ve.
- p53 -ve.
- p63 -ve.
See also
References
- ↑ 1.0 1.1 1.2 Mehra, R.; Vats, P.; Kalyana-Sundaram, S.; Udager, AM.; Roh, M.; Alva, A.; Pan, J.; Lonigro, RJ. et al. (Mar 2014). "Primary urethral clear-cell adenocarcinoma: comprehensive analysis by surgical pathology, cytopathology, and next-generation sequencing.". Am J Pathol 184 (3): 584-91. doi:10.1016/j.ajpath.2013.11.023. PMID 24389164.