• 제목/요약/키워드: Pulmonary angiography

검색결과 109건 처리시간 0.022초

방사성동위원소심혈관조영술상(放射性同位元素心血管造影術上) 관찰(觀察)된 주폐동맥류(主肺動脈瘤)와 동맥관개존증(動脈管開存症)이 병발(竝發)된 1예(例) (A Case of Pulmonary Artery Aneurysm Associated with Patent Ductus Arteriosus: Detection by Radionuclide Cardiac Angiography)

  • 손인;이명철;조보연;고창순;윤용수;홍창의;노준량;연경모;한만청
    • 대한핵의학회지
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    • 제15권2호
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    • pp.75-79
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    • 1981
  • A Case of main pulmonary artery aneurysm in a 9-year-old boy with patent ductus arteriosus is presented. In this case presented with a huge mass density on the chest X-ray, radionuclide cardiac angiography showed a vascular lesion, which was confirmed as an aneurysm of the main pulmonary artery at roentgenologic angiogram. The aneurysm appeared following an episode of bacterial endocarditis and pulmonary hypertension. A successful aneurysmectomy with multiple ligation of ductus arteriosus was performed.

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Lobectomy due to Pulmonary Vein Occlusion after Radiofrequency Ablation for Atrial Fibrillation

  • Papakonstantinou, Nikolaos A.;Zisis, Charalambos;Kouvidou, Charikleia;Stratakos, Grigoris
    • Journal of Chest Surgery
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    • 제51권4호
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    • pp.290-292
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    • 2018
  • Radiofrequency ablation is an effective treatment for atrial fibrillation. Pulmonary vein stenosis/occlusion is one of its rare complications. Herein, the case of a 50-year-old man with hemoptysis and migratory pulmonary infiltrations after transcatheter radiofrequency ablation for atrial fibrillation is presented. Initially, pneumonia, interstitial pulmonary disease, or lung cancer was suspected, but wedge resection revealed hemorrhagic infiltrations. Chest computed tomography pulmonary angiography detected no left superior pulmonary vein due to its total occlusion, and left upper lobectomy was performed. Post-ablation pulmonary vein occlusion must be strongly suspected in cases of migratory pulmonary infiltrations and/or hemoptysis.

Pulmonary Arteriovenous Malformation and Its Vascular Mimickers

  • Hyoung Nam Lee;Dongho Hyun
    • Korean Journal of Radiology
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    • 제23권2호
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    • pp.202-217
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    • 2022
  • Pulmonary arteriovenous malformation (AVM) is a congenital vascular disease in which interventional radiologists can play both diagnostic and therapeutic roles in patient management. The diagnosis of pulmonary AVM is simple and can usually be made based on CT images. Endovascular treatment, that is, selective embolization of the pulmonary artery feeding the nidus of the pulmonary AVM, and/or selectively either the nidus or draining vein, has become a first-line treatment with advances in interventional devices. However, some vascular diseases can simulate pulmonary AVMs on CT and pulmonary angiography. This subset can confuse interventional radiologists and referring physicians. Vascular mimickers of pulmonary AVM have not been widely known and described in detail in the literature, although some of these require surgical correction, while others require regular follow-up. This article reviews the clinical and radiologic features of pulmonary AVMs and their mimickers.

Establishment of Injection Protocol of Contrast Material in Pulmonary Angiography using Test Bolus Method and 16-Detector-Row Computed Tomography in Normal Beagle Dogs

  • Choi, Sooyoung;Kwon, Younghang;Park, Hyunyoung;Kwon, Kyunghun;Lee, Kija;Park, Inchul;Choi, Hojung;Lee, Youngwon
    • 한국임상수의학회지
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    • 제34권5호
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    • pp.330-334
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    • 2017
  • The aim of this study was to establish an injection protocol of a test bolus and a main bolus of contrast material for computed tomographic pulmonary angiography (CTPA) for visualizing optimal pulmonary arteries in normal beagle dogs. CTPA using a test bolus method from either protocol A or B were performed in each of four normal beagle dogs. In protocol A, CTPA was conducted with a scan duration for around 8 s, setting the contrast enhancement peak of the pulmonary trunk in the middle of the scan duration. The arrival time to the contrast enhancement peak was predicted from a previous dynamic scan using a test bolus (150 mg iodine/kg) injected with the same injection duration using for a main bolus (450 mg iodine/kg). In protocol B, CTPA was started at the predicted appearance time of contrast material in the pulmonary trunk based on a previous dynamic scan using a test bolus injected with the same injection rate as a main bolus. CTPA using protocol A showed the optimal opacification of the pulmonary artery with pulmonary venous contamination. Proper CTPA images in the absence of venous contamination were obtained in protocol B. CTPA with a scan duration for 8 s should be started at the appearance time of contrast enhancement in the pulmonary trunk, which can be identified exactly when a test bolus is injected at the same injection rate used for the main bolus.

폐색전증의 진단에 있어 혈청 D-dimer 측정의 진단적 가치 (Plasma D-dimer Determination in the Diagnosis of Pulmonary Embolism)

  • 임채만;김홍규;최강현;이상도;고윤석;김우성;장재석;김동순;김원동
    • Tuberculosis and Respiratory Diseases
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    • 제43권1호
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    • pp.69-74
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    • 1996
  • 연구배경: 폐색전증의 진단에 있어 확전법인 폐동맥 조영술은 관혈적이고 임상에서의 제약이 있으며, 폐환기-관류주사는 비고확률 소견인 경우 진단적 민감도 및 특이도가 낮은 문제가 있다. 혈장 D-dimer는 섬유소분 해산물로 임상적으로 폐색전증이 의심되는 환자에서 증가되는 것이 알려져 있어 혈장 D-dimer의 측정이 폐색전증에 있어 어떤 진단적 가치가 있는지 알아보고자 하였다. 방법: 전향적 임상연구로 정상대조군 21예와 폐색전증 환자군 9예에서 latex agglutination법에 의해 혈장 D-dimer를 측정하고 폐동맥조영술 결과와 비교하였다. 결과: 1) 대조군 및 폐색전증군의 혈장 D-dimer치; 대조군의 혈장 D-dimer치는 21예중 0.5 mg/L 미만 11예, 0.5 mg/L 보다 높은 경우 10예 였고, 폐색전증군 9예중 0.5 mg/L 미만 1예, 0.5 mg/L 보다 8예로 혈장 D-dimer치가 0.5 mg/L 이상으로 증가된 양성율은 폐색전증군에서 대조군에 비해 유의하게 많았다(p=0.049). 2) 혈장 D-dimer치의 진단적 효용; 혈장 D-dimer치 0.5 mg/L를 cut-off으로 했을 때 폐색전증 진단의 민감도 88.9%(8/9), 특이도 52.4%(11/21), 양성예측치 44.4%(8/18) 및 음성 예측치 91.7%(11/12)였다. 결론: 폐색전증의 진단에 있어 D-dimer의 측정치가 cut-off(0.5 mg/L)치 이내인 경우 폐색전증의 존재 가능성은 매우 적을 것으로 사료되었다.

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폐동맥에서 발생한 악성 섬유성 조직구종 1례 보 (Malignant Fibrous Histiocytoma of the Pulmonary Artery A Case Report)

  • 이재원
    • Journal of Chest Surgery
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    • 제20권2호
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    • pp.358-366
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    • 1987
  • A case of malignant fibrous histiocytoma [MFH] of left pulmonary artery was reported in the 27 year-old male. He was admitted because of hemoptysis for several times. Chest x-ray revealed nodular lesions in left hilar area and left upper lobe. A left thoracotomy was performed followed left upper lobectomy. The main tumor was originated from the pulmonary arterial bifurcation and proximal portion of the left pulmonary artery. By light microscopy, there were many pleomorphic giant cells, which displayed the storiform pattern. And in those area, dilated or compressed vascular channels were involved by tumor cells, suggesting origin of This tumor. Pulmonary artery angiography and chest CT revealed this tumor was originated from pulmonary artery. It would be the first reported primary malignant fibrous histiocytoma of the pulmonary artery in our country. Postoperative prognosis was uneventful, but recently he was suffered from dyspnea, that was noticed by OVD follow-up for 1 month, probably the heart failure sign due to pulmonary arterial flow obstruction.

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코일 색전술로 치료된 다발성 폐동정맥기형 1 예 (A Case of Multiple Pulmonary Arteriovenous Malformation Treated with Coil Embolization)

  • 안혁수;이흥범;이용철;이양근
    • Tuberculosis and Respiratory Diseases
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    • 제45권4호
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    • pp.896-901
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    • 1998
  • Pulmonary arteriovenous malformation(PAVM) is an uncommon congenital anomaly. As pulmonary arteriovenous malformation is a direct communication between the branches of pulmonary artery and vein which originated from the malformation of capillary development, major disturbances in gas exchange can result. This malformation results in the several symptoms such as dyspnea, hemopyssis, cyanosis, and severe neurologic complaints. However, the most of patients are usually asymptomatic. Selective pulmonary angiography is well known the helpful diagnostic method. Recently, therapeutic embolization has been advocated as the treatment of choice for pulmonary arteriovenous malformations. We report a case of multiple pulmonary arteriovenous malformation, which was detected on the simple chest X-ray and successfully treated with coil embolization in a 19-year-old asymptomatic woman.

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