每天朗讀一段醫(yī)學(xué)影像學(xué)英語(yǔ)文章

Case2

Arteriovenous Malformation

Clinical

About half present with headache secondary to hemorrhage

More than half have an associated aneurysm

~1/4 have associated seizures

Patients may have progressive neurologic dysfunction secondary to related hypoperfusion or microhemorrhage

病例回顧2---動(dòng)靜脈畸形AVM】
臨床表現(xiàn)：半數(shù)患者在大量出血后繼發(fā)頭痛。超過(guò)半數(shù)患者伴有動(dòng)脈瘤。約1/4患者有癲癇發(fā)作。由于低灌注和微出血，患者可能會(huì)產(chǎn)生進(jìn)行性的神經(jīng)功能障礙。

Imaging

“Bag of worms,” tangle of vessels

MRI: “Honeycomb” of flow voids, may have blooming on GRE if hemorrhage, nidus enhances, enlarged feeding artery/-ies and early draining vein(s)

影像表現(xiàn)：“一帶蠕蟲(chóng)”征：扭曲的血管團(tuán)。MRI：“蜂窩狀”血管流空影，若有出血，在GRE上表現(xiàn)為開(kāi)花正。病灶有強(qiáng)化，供血?jiǎng)用}和早期引流靜脈擴(kuò)張。

DDx: Other vascular malformation such as dural AV fistula or cavernoma, vascular neoplasm/metastasis, meningioma

鑒別診斷：其他血管畸形比如硬腦膜動(dòng)靜脈瘺、海綿狀血管畸形、血管腫瘤、血管轉(zhuǎn)移瘤、腦膜瘤。

Tx:

Embolization

Stereotactic radiation therapy

Surgical resection

治療：栓塞、立體定位放療、手術(shù)切除。

Notes：

1. hemorrhage [?h?m?r?d?] n.（尤指大量的）出血

2. aneurysm [??nj??r?z?m] n. 動(dòng)脈瘤

3. seizure [?si??] n. 癲癇

4. neurologic [nj??ro?'l?d??k] 神經(jīng)病學(xué)的

5. fistula [?f?st??l?] n. 瘺，瘺管

6. cavernoma [k?v?'no?m?] n. 海綿狀（血管）瘤

7. meningioma [m??n?nd?i:'o?m?] n.  腦（脊）膜瘤

來(lái)源：每天朗讀一段醫(yī)學(xué)影像學(xué)英語(yǔ)文章

圈主

深圳市人民醫(yī)院放射科副主任醫(yī)師楊敏潔