| Japanese |
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| Title | 201Tl-SPECTが良悪性の鑑別に有用であった中縦隔発生の良性Paragangliomaの1例 |
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| Subtitle | 症例報告 |
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| Authors | 難波隆一郎*, 雑賀良典*, 中田和伸*, 平石久美子*, 芦名謙介*, 足立至*, 清水雅史*, 末吉公三*, 楢林勇* |
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| Organization | *大阪医科大学放射線科 |
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| Journal | 核医学 |
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| Volume | 30 |
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| Number | 9 |
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| Page | 1097-1101 |
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| Year/Month | 1993/9 |
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| Article | 報告 |
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| Publisher | 日本核医学会 |
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| Abstract | 「要旨」201Tl-chloride (201Tl) が中縦隔腫瘍に一致して早期像で高度集積を示し, 後期像でほとんど洗い出されたことより, 良性と判断し得たparagangliomaの1例を報告する. 症例は57歳女性で, 検診で胸部X線写真上, 右縦隔に腫瘤影が見られたため, 精査目的にて当院を受診し, 入院となった. 胸部造影CTでは右中縦隔に強く造影効果をうける3×4cm大の腫瘍を認めた. 201Tl single photon emission computed tomography (SPECT) では201Tl 222 MBqを静注後15分後に撮像した早期像にて強い201Tl集積が認められたが, 3時間後に撮像した後期像では201Tl集積は著明に低下した. 以上より, 悪性度の低い, 中縦隔より発生した縦隔腫瘍の術前診断にて手術が行われた. 病理組織診断は異型性に乏しいnon-functioning aortico-pulmonary paragangliomaであった. 神経原性縦隔腫瘍の良悪性の鑑別に201Tl-SPECTが有用であったので報告した. |
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| Practice | 臨床医学：一般 |
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| Keywords | 201Tl SPECT, Paraganglioma, Mediastinal tumor. |
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| English |
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| Title | A Case of Benign Paraganglioma Arising in the Middle Mediastinum ; 201Tl-SPECT for Differentiation from Malignant Tumor |
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| Subtitle | Case Reports |
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| Authors | Ryuichiro NAMBA, Yoshinori SAIKA, Yasunobu NAKATA, Kumiko HIRAISHI, Kensuke ASHINA, Itaru ADACHI, Tadafumi SHIMIZU, Kozo SUEYOSHI, Isamu NARABAYASHI |
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| Authors(kana) | |
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| Organization | Department of Radiology, Osaka Medical College |
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| Journal | The Japanese Journal of nuclear medicine |
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| Volume | 30 |
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| Number | 9 |
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| Page | 1097-1101 |
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| Year/Month | 1993/9 |
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| Article | Report |
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| Publisher | THE JAPANESE SOCIETY OF NUCLEAR MEDICINE |
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| Abstract | [Summary] A case of benign paraganglioma arising in the middle mediastinum was reported. 201Tl SPECT showed high accumulation in tumor on early images at 15 min and reduced on late images at 3 hours after infusion. The patient was a 57 year old female. In the contrast enhanced CT, 3×4 cm tumor with intensive enhancement was recognized at the right middle mediastinum. Under the radiological images, the tumor was surgically removed. The pathologic diagnosis was a low atypical nonfunctioning aortico-pulmonary paraganglioma. This report was suggested that 201Tl SPECT was useful for differential diagnosis of benign neurogenic mediastinal neoplasms. |
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| Practice | Clinical medicine |
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| Keywords | 201Tl SPECT, Paraganglioma, Mediastinal tumor. |
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