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題 名 | Color Doppler Flow Imaging(CDI) in Evaluation of Hemodynamics for Orbital and Intraocular Mass Lesions=彩色都卜勒血流圖於眼窩及眼內腫瘍之評估 |
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作 者 | 康孟喆; | 書刊名 | 中華民國眼科醫學會雜誌 |
卷 期 | 34:3 1995.09[民84.09] |
頁 次 | 頁75-85 |
分類號 | 416.75 |
關鍵詞 | 彩色都卜勒血流圖; 眼窩; 眼內腫瘍; Color doppler flow imaging; CDI; Cavernous hemangioma; Endophytic choroidal melanoma; Cystic orbital lesion; Pseudotumor; |
語 文 | 英文(English) |
中文摘要 | 眼科學之應用而言,彩色都卜勒血流圃不僅提供腫瘍血液供應之形態學 診斷,並且量化其血流動力學。 以HewlettPackard,ModelSonosIOOC之5.5 MHZ探頭,探測四例眼窩腫瘤,兩例 眼窩裘腫,及一例眼內腫瘤。灌輸至腫瘍之動脈及中心視網膜動脈可於彩色都F 勒血流圃上指認。並可導出搏動指數及阻力指數。於彩色都F勒血流圃,眼窩電 腦斷層掃瞄,抑或核磁共振顯像圖之導引下,七位患者之腫瘍得以手術摘除,檢 體並迭病理診斷。 兩例眼肌錐束內文腫瘤為原發性之寶狀血管瘤。兩例眼肌錐束外之腫瘤分別為自 胃部轉移之分化不良腺癌,另一例為源自淚腺之類淋巴增生(亦稱偽瘤)。一例囊 腫為源自淚囊之黏液囊腫,另一例則為非角化眼窩囊腫。眼內腫瘤則為黑色素 瘤。血流動力學研究顯示;黑色素瘤及偽瘤之灌輸動脈為高流速,寶狀血管瘤及 非角化眼窩囊腫則為中流速,轉移腫瘤及黏液囊腫為低流速。 就眼科學及病理學而言,本研究乃首先嘗試對於眼肌錐束內外及眼球內文腫瘍, 量化其血流動力學。彩色都卜勒血流圖之特異性及敏感性是有意義的,但仍須再 進一步之檢驗。 |
英文摘要 | Ophthalmologically, GDI not only provides the morphogical diagnosisof a mass lesion and its blood supply, but also quantitates thehemodynamics. GDI (Hewlett Packard, Model sonos 1000) with a 5.5 MHz probe wasapplied to four orbital tumors, two orbital cystic lesions, and one intraoculartumor. The feeding arteries (FAs) and central retinal arteries (CRAs) wereidentified on GDI. Pulsatility and resistivity values were then calculated.Under guidance of GDIs, orbital computerized tomographs, and/or magneticresonance imaging (MRI), all patients underwent surgical extirpation andspecimens were submitted for pathological studies. Two intraconal tumors were shown to be primary cavernoushemangiomas. One extraconal tumor was shown to be a metastatic tumorfrom poorly differentiated gastric adenocarcinoma. The other extraconalmass was shown to be lymphoid hyperplasia (pseudotumor) from the lacrimalgland. One cystic lesion was shown to be a dermoid cyst. The intraoculartumor was shown to be a melanoma. Hemodynamic studies demonstratedthat the feeding arteries of the melanoma and pseudotumor were high flow,while those of the cavernous hemangioma and nonkeratinizing orbital weremedium flow, and those of the metastatic tumor and mucocele had thelowest blood flow velocities. Ophthalmologically and pathologically, this study is the first attempt totry to quantitate the hemodynamics of intraconal, extraconal and intraocularmass lesions. The specificity and sensitivity of GDI were significant but stillneed refining. |
本系統中英文摘要資訊取自各篇刊載內容。