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Cytogenetic characterization of tumors of the vulva and vagina evaluated.

Women's Health Weekly

| November 06, 2003 | COPYRIGHT 2003 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

2003 NOV 6 - (NewsRx.com & NewsRx.net) -- Cytogenetic characterization of tumors of the vulva and vagina is evaluated.

According to recent research from Norway, "Neoplasms of the vulva and vagina account for less than 5% of all female genital tract cancers. Squamous cell carcinoma (SCC) represents more than 70% of the cases in both locales, followed by melanoma, basal cell carcinoma, Paget's disease, and other carcinoma subtypes.

"Until recently, only few cases had been analyzed by chromosome banding techniques and karyotyped, and also the number subjected to molecular cytogenetic analysis remains low. To understand better the genetic changes harbored by the neoplastic cells in cancer of the vulva and vagina, we analyzed cytogenetically 51 such tumors, finding karyotypic abnormalities in 37," wrote F. Micci and colleagues, Norwegian Radium Hospital, Department of Cancer Genetics.

"All tumors were analyzed by G-banding, sometimes supplemented by multicolor fluorescence in situ hybridization, and a subset of tumors was also analyzed by comparative genomic hybridization. The two cytogenetically abnormal cases of Paget's disease both had two clones, one with gain of chromosome 7 as the sole change, the other with loss of the X chromosome among, in one case, other aberrations," the researchers wrote.

"The four cytogenetically abnormal malignant melanomas (three of the vulva, one of the vagina) presented complex karyotypes with aberrations involving ...

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