title: [A case report of retroperitoneal leiomyoma and review of the Japanese literature].
abstract: A 76-year-old woman presented with a history of pain on urination and urinary frequency. The sonogram incidentally demonstrated a mass in the area of the upper right kidney, and CT scan revealed a retroperitoneal tumor. Operation was carried out, and the tumor measured 4 X 4 X 5.5 cm (35 g). The pathology report was consistent with leiomyoma. The patient had undergone surgical excision of a right retroperitoneal tumor before 27 years, and it is suspected to have been an ectopic retroperitoneal tumor judging from operative findings. Retroperitoneal leiomyoma is rare and a review of the Japanese literature is presented.
authors.forename: H
authors.initials: H
authors.lastname: Kakizaki
authors.forename: T
authors.initials: T
authors.lastname: Yamaguchi
authors.forename: H
authors.initials: H
authors.lastname: Suzuki
authors.forename: S
authors.initials: S
authors.lastname: Kawamura
authors.forename: S
authors.initials: S
authors.lastname: Matsushita
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D007889:Leiomyoma; D012186:Retroperitoneal Neoplasms