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Leiomyoma of the Urinary Bladder
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±Ç°è¿ø/Kye Weon Kwon
¾ÈÈñÁ¤/ÃÖÀ±Á¤/È«¿µ±Ç/½ÅÀç¼·/Hee Jung Ahn/Yoon Jung Choi/Young Kwon Hong/Jae Seop Shin
KMID : 0357919970310121320
Abstract
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Leiomyoma is commonly found in the female genital tract, but occurrence in the
urinary bladder is very rare with only 235 cases reported in the literature. These tumors
have been classified as intravesical (63%), intramural (7%) and extravesical (30%)
depending on the direction of the growth. We report a case of intravesical leiomyoma of
the urinary bladder in a 36 year-old woman who exhibited dysuria and urinary
retention. The gross and microscopical findings of leiomyoma of the bladder are similar
to those of the uterus. Immunohistochemical stains for estrogen receptor (ER) and
progesterone receptor (PR) revealed diffuse nuclear staining in smooth muscle cells,
supporting the hypothesis of hormonal influence in tumorigenesis.
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Leiomyoma; Urinary bladder;
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