• Title/Summary/Keyword: 동정맥기형

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Results of Stereotactic Radiosurgerv with Linear Accelerator for Intracranial Arteriovenous Malformation (두개강내 동정맥기형에서 선형가속기를 이용한 방사선수술의 결과)

  • Lee Kang Kyoo;Park Kyung Ran;Lee Jong Young;Lee Yong Ha
    • Radiation Oncology Journal
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    • v.15 no.3
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    • pp.215-224
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    • 1997
  • Purpose : Stereotactic radiosurgery with external beam irradiation successfully obliterates carefully selected intracranial arteriovenous malformation (AVM) . We Present clinical and radiological long term results after treatment with a single high dose irradiation using a linear accelerator. Materials and Methods : Rrom January 1991 to June 1994, fifteen patients with intracranial AVM were treated in our hospital with the stereotactic radiosurgery using a linear accelerator. The radiation was delivered using a 6 MV linear accelerator. The prescribed doses at the isocenter varied from 1800 to 2500cGy (median : 2000cGy) and were given as a sin91e fraction. The radiation doses at the periphery of the lesion typically corresponded to the 80-90% isodose line. In 14 patients, complete clinical and/or radiological follow-up examination were available. Results : Angiography was available in 13 patients with a follow-up Period from 18 months to 27 months. Of 13 patients, the overall complete obliteration rate was 92.3% (12 patients). This incidence did not correlate with lesion size. Seizure, headache and progressive neurologic deficit were complete recovered. One Patient experienced hemorrhage at 2 months after treatment. One patient developed radiation induced brain edema in the white matter surrounding nidus at 16 months after treatment and showed complete resolution of the edema in MR image obtained at 27 months after treatment. After a follow-up period of up to 6 years, no radiation induced severe late complications occurred. Conclusion : We conclude that stereotactic radiosurgery using a linear accelerator is an effective and safe therapy for symptomatic and surgically inaccessible intracranial AVMs and the results compare favorably to the more expensive and elaborate systems that are currently available for stereotactic radiosurgery.

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ARTERIOVENOUS MALFORMATION IN ORAL & MAXILLOFACIAL REGION : A CASE REPORT (구강악안면 영역에서의 동정맥 기형 치험례)

  • Kim, Na-Young;Kim, Ki-Hong;Kim, Seong-Gon;Lee, Jung-Gu;Cho, Byoung-Ouck
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.28 no.1
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    • pp.61-63
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    • 2002
  • In the field of oromaxillofacial surgery, it is not common to meet arteriovenous malformation(AVM) patients. AVMs are the result of congenital abnormality, or the result of trauma of adjacent vessels. This patients need special care in surgical procedure. Also, they need management include clinical, radiographic, and angiographic assessment. We report a case of the AVM in right maxillary artery, who embolized PVA and obtained good result.

A Case of Retroauricular Endoscopic Excision of Arteriovenous Malformation in the Submandibular Space (악하선 공간에 생긴 동정맥 기형의 후이개 내시경 접근법을 이용한 절제술 1례)

  • Ban, Myung Jin;Lee, Chi-Kyou;Lee, Ji-Hye;Park, Jae Hong
    • Korean Journal of Head & Neck Oncology
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    • v.32 no.1
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    • pp.25-28
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    • 2016
  • A 54-year-old female presented with a 4cm sized painless, submandibular gland area mass. Vascular lesion was suspected in computed tomography scan. Surgical excision was performed via retroauricular approach for its excellent cosmetic outcome. The vascular mass with peripheral focal calcification was clearly resected without complication such as bleeding or neural damage. Histopathological examination of the specimen revealed an arteriovenous malformation(AVM) with abnormal communications between arteries and veins without the normal intervening capillary bed. We report a successful excision of AVM in the submandibular space via retroauricular approach.

A Case of the Bronchial Artery-Pulmonary Vein Malformation (기관지동맥-폐정맥의 동정맥기형 1예)

  • Yoo, Tae-Seok;Jo, Young-Il;Heo, Weon-Man;Jin, Choon-Jo;Song, Kwang-Seon;Yong, Suk-Joong;Shin, Kye-Chul
    • Tuberculosis and Respiratory Diseases
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    • v.42 no.5
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    • pp.767-771
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    • 1995
  • The bronchial artery-pulmonary vein malformation should be called the systemic artery-to-pulmonary vein arterioveonus malformation in the lung. Although pulmonary arteriovenous malformation has been well documented in intrapulmonary arteriovenous malformation, the systemic artery-to-pulmonary vein arteriovenous malformation is rare. Most patients with systemic artery-to-pulmonary vein arteriovenous malformation is asymptomatic and the diagnosis of these anomaly may be done by continuous murmur or abnormal chest X-ray on the physical examination. The pathogenesis of this condition is congenital malformation which explains these anastomoses between the pulmonary vein and accessory brachial arteries and acquired malformation which explains development of new blood vessel to supply large enough to cause significant systemic-pulmonary shunts due to inflammation secondary to infection, trauma, or previous surgery. We experienced a case of the bronchial artery-pulmonary vein malformation which was detected on angiography in 20-year-old women whose chief complain is hemoptysis. This massive hemoptysis was controlled by selective brachial artery embolization with Gelfoam and Ivalon particles.

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Treatment of Facial Arteriovenous Malformations by Embolization: A Case Report (색전술에 의한 안면부 동정맥 기형의 치료 : 증례 보고)

  • Jeongyeon, Kim;Hyunsoo, Lim;Okhyung, Nam;Hyo-seol, Lee;Sungchul, Choi;Misun, Kim
    • Journal of the korean academy of Pediatric Dentistry
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    • v.49 no.2
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    • pp.228-233
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    • 2022
  • Arteriovenous malformations (AVMs) are rare congenital anomalies characterized by direct communication between arteries and veins that bypass the capillary bed. AVMs may not manifest clinically until late infancy or childhood. In particular, facial AVMs can cause urgent life-threatening dental events. A 5-year-old girl without a medical history visited the hospital because of spontaneous gingival bleeding around the posterior gingival area of the lower left 2nd primary molar. Angiography through the femoral approach under general anesthesia was performed for differential diagnosis and therapeutic option. The blood flow was effectively reduced after arterial embolization alone, and there was no evidence of recurrence at the 5-month follow-up. The present study reports that embolization of the affected vessels can be a more effective and safe method than surgical resection for the treatment of AVM during the growth period.

Occurrence of Metachronous Intracranial Dural Arteriovenous Fistula after Embolization of Intracranial Dural Arteriovenous Fistula: A Case Report (두개내 경막 동정맥루 색전술 이후 발생한 이시성 두개내 경막 동정맥루: 증례 보고)

  • Heemin Kang;Sung-Tae Park
    • Journal of the Korean Society of Radiology
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    • v.84 no.2
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    • pp.489-497
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    • 2023
  • Intracranial dural arteriovenous fistula (DAVF) is an abnormal arteriovenous shunt accounting for approximately 10%-15% of all intracranial vascular malformations. Most intracranial DAVFs are solitary, but multiple lesions at different sites can rarely occur. Most intracranial multiple DAVFs are synchronous types, whereas metachronous lesions are relatively uncommon. Herein, we report a rare case of metachronous DAVF occurring after the embolization of a preceding lesion in a 75-year-old female.

Arteriovenous Malformation : A Case Report (동정맥 기형의 증례보고)

  • Jeong Yeon-Hwa
    • Journal of Korean Academy of Oral and Maxillofacial Radiology
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    • v.29 no.2
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    • pp.561-569
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    • 1999
  • The present case illustrates an arteriovenous malformation of the cheek in a 25-year-old male. The clinical presentation. radiographic findings, differential diagnosis, treatment and histopathologic description are presented. Diagnosis of the lesion was confirmed by angiography, and the lesion was treated by angiographically controlled vascular embolization followed by complete surgical excision.

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A Case Report of Arteriovenous Malformation on the Chest Wall (흉벽에 발생한 동정맥기형 -1례 보고-)

  • 박성용;심성보
    • Journal of Chest Surgery
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    • v.29 no.7
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    • pp.802-806
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    • 1996
  • Arteriovenous malformations are vascular anomalies containing a communication between artery and vein without an intervening capillary bed and also are the most dangerous of vascular malformations being hemodynamically active. Treatment must be careful usually limited and considered in the phase of activity of hemodynamics. The patient was 29-year-old female and had no specific signs and symptoms except buldging, pal- pable mass on the right posterolateral chest wall from several years ago and it was gradually growing from that time. The operation was done with ligation of the right 9th, 1 Oth intercostal arteries and dissection from other normal tissues and then excised the arteriovenous malformation mass and its feeding vessels. The pathologic result was arteriovenous malformation.

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Development of a New Liquid Embolic for Arteriovenous Malformation (동정맥기형 치료를 위한 액상폐색물질 개발)

  • Park, S.;Huh, S.J.;Suh, D.C.;Song, H.Y.
    • Proceedings of the KOSOMBE Conference
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    • v.1997 no.05
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    • pp.439-442
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    • 1997
  • For the treatment of arteriovenous malformations (AVM), we developed a new liquid embolic material and named it Embol. The material was pre-tested in an in vitro AVM model and tested in rete mirabile of pigs that is similar in structure with the AVM in human. We report on the construction of the in vitro AVM model, the pre-test results of Embol in the AVM model, and the animal test result in pig rete mirabile.

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A Case of Multiple Pulmonary Arteriovenous Malformation in Pregnancy (임신중에 발견된 다발성 폐 동정맥 기형 1예)

  • Lee, Byung-Ho;Cho, Young-Seon;Choi, Cheon-Woong;Yoo, Jee-Hong;Kang, Hong-Mo
    • Tuberculosis and Respiratory Diseases
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    • v.52 no.5
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    • pp.545-549
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    • 2002
  • A pulmonary arteriovenous fistula is an uncommon malformation. In pregnancy altered hemodynamics and hormones cause changes in a PAVM(pulmonary arteriovenous malformation) that predispose them to deterioration. Therefore, a PAVM can cause serious and life-threatening complications in pregnancy. Death often results from a cerebral abscess and a rupture of the malformation with a massive hemorrhage. Recently, we experienced a case of a multiple PAVM in pregnant 38 year old woman, which could not be observed in the old chest PA, 1 year ago. The PAVM was confirmed by CT and was angiography and treated by percutaneous embolization. The patient is suspected to have HHT (Hereditary hemorrhagic telangiectasia).