Journal
ACTA CYTOLOGICA
Volume 49, Issue 1, Pages 71-74Publisher
SCI PRINTERS & PUBL INC
DOI: 10.1159/000326099
Keywords
Paget's disease; extramammary; urothelium; bladder cancer; vulvar cancer
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Background Primary cutaneous Paget`s disease of the vulva is an intraepithelial adenocarcinoma most likely arising from a cutaneous stem cell with sweat gland epithelial differentiation or can be of sweat gland origin. Primary vulvar Paget's disease, however, can be mimicked by an internal noncutaneous neoplasm that has extendedto secondarily invlove the vulva. Most commonly, this is due to an anal or rectal adenocarcinoma or a urothelial carcinoma. These malign nancies may be detected in a vaginal or vulvar cytologic smear. Case An 81-year old woman with a past history of urothelial carcinoma in situ of the bladder presented several years subsequent to treatment for bladder cancer with extensive vulvar and vaginal disease, clinically interpreted as primary vulvar Paget's disease involving the vagina. Vaginal cytology showed a high grade malignancy. The patient subsequently underwent radical (total deep) vulvectomy and vaginal excision. Subsequent investigation of her, bladder showed recurrent urothelial carcinoma in situ with extensive spread to the vagina and vulva, simulating primary cutaneous vulvar Paget's disease. Conclusion It is important to recognize secondary vulvar Paget's disease, although uncommon, because of the difference in therapy for primary and secondary vulvar Paget's disease. Certain cytologic characteristics in a vaginal or vulvar smear in a patient. with suspected vulvar Paget's disease may aid in distinguishing them.
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