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Title: 骨形成を伴う脱分化型後腹膜脂肪肉腫の1例 --本邦症例の検討を加えて--
Other Titles: Retroperitoneal Dedifferentiated Liposarcoma with Metaplastic Bone Formation : A Case Report and Review of the Literature
Authors: 吉野, 干城  KAKEN_name
瀬島, 千晴  KAKEN_name
岡, 優理  KAKEN_name
谷口, 洋樹  KAKEN_name
永見, 太一  KAKEN_name
和氣, 功治  KAKEN_name
山本, 智彦  KAKEN_name
大沼, 秀行  KAKEN_name
児玉, 光史  KAKEN_name
金澤, 旭宣  KAKEN_name
川上, 一雄  KAKEN_name
Author's alias: Yoshino, Tateki
Sejima, Chiharu
Oka, Yuri
Taniguchi, Hiroki
Nagami, Taichi
Wake, Koji
Yamamoto, Tomohiko
Ohnuma, Hideyuki
Kodama, Koji
Kanazawa, Akiyoshi
Kawakami, Kazuo
Keywords: Retroperitoneal liposarcoma
Dedifferentiated liposarcoma
Bone formation
Issue Date: 31-May-2019
Publisher: 泌尿器科紀要刊行会
Journal title: 泌尿器科紀要 = Acta urologica Japonica
Volume: 65
Issue: 5
Start page: 151
End page: 155
Abstract: A 69-year-old female was introduced to our department for a retroperitoneal mass, 25 mm in diameter, in the right perirenal space indicated by computed tomography (CT). On the basis of magnetic resonance imaging (MRI), retroperitoneal soft tissue sarcoma was suspected. Because she rejected surgical treatment, we continued imaging surveillance. Subsequently, the mass grew larger, but her intention did not change. At 21 months after initial consultation, CT revealed further increase of the above mass and a new lesion with calcification. Ultimately, she underwent mass resection with concomitant resection of the right kidney. Histological examination showed dedifferentiated liposarcoma with metaplastic bone formation and positive surgical margin, but she refused adjuvant chemotherapy. She has survived 7 months since the operation with no evidence of recurrence.
Rights: 許諾条件により本文は2020/06/01に公開
DOI: 10.14989/ActaUrolJap_65_5_151
PubMed ID: 31247692
Appears in Collections:Vol.65 No.5

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