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題 名 | Radionuclide Angiography of Hemangiopericytoma=血管外皮細胞瘤之核子醫學血管攝影 |
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作 者 | 阮春榮; 黃國書; 范洪春; 任祖剛; 薛俊仁; 劉昌憲; 黃智旺; 蕭海松; | 書刊名 | 中華放射線醫學雜誌 |
卷 期 | 25:3 2000.06[民89.06] |
頁 次 | 頁125-128 |
分類號 | 415.641 |
關鍵詞 | 血管外皮細胞瘤; 血管攝影; 放射核種; Hemangiopericytoma; Angiography; Radionuclide; |
語 文 | 英文(English) |
中文摘要 | 血管外皮細胞瘤是一種罕見且具惡傾向之血管性腫瘤,一般好發於肌肉骨骼系統、骨盆腔及後腹腔。在過去僅有極少數的文獻提及血管外皮細胞瘤在核子醫學閃爍造影之特徵。我們報告在一位五十一歲的女性血管外皮細胞瘤之核子醫學閃爍造影術之特徵。病患是在輕微的撞擊之後才注意到其左大腿內測有一具疼痛性的腫塊。該病患接受99mTc-MDP全身性骨骼掃描發現在其左大腿內測有同位素攝取增加的現象。核醫血管攝影發現該腫塊在早期動脈相時即有快速且強烈的核種攝取的現象。而在該腫塊中央則較為透明。在晚期動脈相可看到有兩條回流的靜脈,經X-光血管攝影證實在腫瘤內有動靜脈分流。最後經手術切除及病理檢驗後證實為惡性的血管外皮細胞瘤。該病患於術後五個月因為局部之復發及瀰漫性之遠處轉移而死亡。 |
英文摘要 | The experience of scintigraphy on a hemangiopericytoma (HPC) is extremely rare. We report the scintigraphic features in a case of HPC involving a 51-year-old woman who presented with a painful mass of the left thigh noted after a minor blunt injury. Scintigraphy was the first diagnostic tool to rule out the possibility of a bone tumor. A Technetium-99m medronate diphosphonate (99mTc-MDP) whole-body bone scan revealed mildly increased radionuclide activity over the left medial thigh only. 99mTc-MDP radionuclide angiography (RNA) disclosed rapid and intense concentration of radionuclide isotope in the mass early in the arterial phase and persistent strong pooling of tracer in the tissue phase with a central photolucency. Two draining veins were identified medial to the left femoral artery, suggesting the presence of intratumoral arteriovenous shunting. This finding was confirmed by catheter angiography. The final diagnosis of HPC was made by histology after a wide excision. The patient expired 5 months after surgery because of local recurrence and diffuse distant metastases. |
本系統中英文摘要資訊取自各篇刊載內容。