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医歯学系 大学院医歯学総合研究科(歯) #紀要論文

頬粘膜扁平上皮癌を契機に発見された重複癌の1例

AI解説:
近年の患者の高齢化や診断技術の進歩により、異なる臓器に別々の癌が発生する重複癌の症例が増加しています。特に口腔癌の治療が進歩して腫瘍制御率が向上することで、重複癌による多病死例が増加しており、重複癌の早期発見と包括的な治療方針の立案が重要となります。本報告では、頬粘膜扁平上皮癌の治療中に第二癌の骨転移を発見し、その原発巣の同定に難渋した一例を紹介します。
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著者名:
柴田 哲伸, 宮本 一也, 橋詰 正夫, 細尾 麻衣, 五島 秀樹, 清水 武
掲載誌名:
新潟歯学会雑誌
巻:
46
号:
1
ページ:
27 - 32
発行日:
2016-07
著者による要約:
It is common to encounter patients with multiple primary cancers nowadays. Multiple primary cancers are cancers present in different organs and developing independently from each other, for reasons of increased patient aging and improving diagnostic techniques. We report a case of a patient with a secondary bone metastasis and struggled to find its primary site. The patient was a 79-year-old woman. We performed surgery for the squamous cell carcinoma on the left side of the buccal mucosa. After surgery, she developed a lymph node metastasis in the neck. In that time, a fluorodeoxyglucose (FDG) PET/CT scan was taken for staging. It revealed that there has been integrated FDG in the neck and sacrum bone, thereby leading us to believe that there was a bone metastasis. We speculated that she had another cancer because the tumor was diagnosed as a bone metastasis of adenocarcinoma when she underwent needle biopsy in the sacrum bone. We could not find the cancer in the FDG PET/CT scan. Her chest CT scan revealed a tumor in the left upper lobe of the lung, which was diagnosed as adenocarcinoma by biopsy with bronchoscope. The squamous cell carcinoma in the buccal mucosa has not recurred in the oral cavity and neck, and the adenocarcinoma is reducing through the chemotherapy.
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