1.Subcutaneous Cavernous Hemangioma of the Breast: A Case Report.
Kyung Hee CHOI ; Yun Woo CHANG ; Seung Boo YANG
Journal of the Korean Radiological Society 2008;59(3):209-211
Vascular tumors of the breast are uncommon and occur, for the most part, in the form of angiosarcomas. Benign breast hemangiomas are especially rare, with few reports existing in the literature. We report a case of a subcutaneous cavernous hemangioma of the breast and describe the sonographic, MRI findings and pathologic features.
Breast
;
Caves
;
Hemangioma
;
Hemangioma, Cavernous
;
Hemangiosarcoma
2.Prevalence and Management of Venous Rupture Following Percutaneous Transluminal Angioplasty in Dysfunctional Arteriovenous Access: A Comparative Study of Primary Patency Rates with Non-Ruptured Access Circuits
Yoon Soo PARK ; Seung Boo YANG ; Chae Hoon KANG ; Dong Erk GOO
Journal of the Korean Society of Radiology 2024;85(4):746-753
Purpose:
This study aims to evaluate the incidence and management of venous ruptures after percutaneous transluminal angioplasty (PTA) for dysfunctional arteriovenous (AV) access.
Materials and Methods:
From January 1998 to December 2015, 13506 PTA, mechanical thrombectomy, and thrombolysis procedures were performed in 6732 patients. The venous rupture rate following PTA was obtained, and access circuit primary patency (ACPP) was compared according to the etiology (PTA, thrombotic occlusion, and treatment type) of the venous rupture present.
Results:
Venous rupture developed in 604 of the 13506 procedures. Venous ruptures were more frequent in female, AV graft cases, and in cases accompanied by thrombosis. Balloon tamponade was performed in 604 rupture cases, and stents were deployed in 119 cases where contrast extravasation and flow stasis persisted. ACPP was significantly better in the non-ruptured AV access circuits than in the ruptured group. However, AV access type and thrombosis was not associated with primary patency. In ruptured cases, ACPP is 8.4 months for prolonged balloon tamponade and 11.2 months for bare-metal stent insertion, showing statistically significant difference.
Conclusion
Balloon tamponade and bare-metal stent placement are effective treatment for PTA-induced venous ruptures. In particular, stent placement showed a similar ACPP to that of non-ruptured AV access circuits.
3.Prevalence and Management of Venous Rupture Following Percutaneous Transluminal Angioplasty in Dysfunctional Arteriovenous Access: A Comparative Study of Primary Patency Rates with Non-Ruptured Access Circuits
Yoon Soo PARK ; Seung Boo YANG ; Chae Hoon KANG ; Dong Erk GOO
Journal of the Korean Society of Radiology 2024;85(4):746-753
Purpose:
This study aims to evaluate the incidence and management of venous ruptures after percutaneous transluminal angioplasty (PTA) for dysfunctional arteriovenous (AV) access.
Materials and Methods:
From January 1998 to December 2015, 13506 PTA, mechanical thrombectomy, and thrombolysis procedures were performed in 6732 patients. The venous rupture rate following PTA was obtained, and access circuit primary patency (ACPP) was compared according to the etiology (PTA, thrombotic occlusion, and treatment type) of the venous rupture present.
Results:
Venous rupture developed in 604 of the 13506 procedures. Venous ruptures were more frequent in female, AV graft cases, and in cases accompanied by thrombosis. Balloon tamponade was performed in 604 rupture cases, and stents were deployed in 119 cases where contrast extravasation and flow stasis persisted. ACPP was significantly better in the non-ruptured AV access circuits than in the ruptured group. However, AV access type and thrombosis was not associated with primary patency. In ruptured cases, ACPP is 8.4 months for prolonged balloon tamponade and 11.2 months for bare-metal stent insertion, showing statistically significant difference.
Conclusion
Balloon tamponade and bare-metal stent placement are effective treatment for PTA-induced venous ruptures. In particular, stent placement showed a similar ACPP to that of non-ruptured AV access circuits.
4.Prevalence and Management of Venous Rupture Following Percutaneous Transluminal Angioplasty in Dysfunctional Arteriovenous Access: A Comparative Study of Primary Patency Rates with Non-Ruptured Access Circuits
Yoon Soo PARK ; Seung Boo YANG ; Chae Hoon KANG ; Dong Erk GOO
Journal of the Korean Society of Radiology 2024;85(4):746-753
Purpose:
This study aims to evaluate the incidence and management of venous ruptures after percutaneous transluminal angioplasty (PTA) for dysfunctional arteriovenous (AV) access.
Materials and Methods:
From January 1998 to December 2015, 13506 PTA, mechanical thrombectomy, and thrombolysis procedures were performed in 6732 patients. The venous rupture rate following PTA was obtained, and access circuit primary patency (ACPP) was compared according to the etiology (PTA, thrombotic occlusion, and treatment type) of the venous rupture present.
Results:
Venous rupture developed in 604 of the 13506 procedures. Venous ruptures were more frequent in female, AV graft cases, and in cases accompanied by thrombosis. Balloon tamponade was performed in 604 rupture cases, and stents were deployed in 119 cases where contrast extravasation and flow stasis persisted. ACPP was significantly better in the non-ruptured AV access circuits than in the ruptured group. However, AV access type and thrombosis was not associated with primary patency. In ruptured cases, ACPP is 8.4 months for prolonged balloon tamponade and 11.2 months for bare-metal stent insertion, showing statistically significant difference.
Conclusion
Balloon tamponade and bare-metal stent placement are effective treatment for PTA-induced venous ruptures. In particular, stent placement showed a similar ACPP to that of non-ruptured AV access circuits.
5.Granular Cell Tumor Simulating Breast Malignancy: A Case Report.
Sung Soo LEE ; Yun Woo CHANG ; Duek Lin CHOI ; Dong Erk GOO ; Seung Boo YANG ; Dong Wha LEE
Journal of the Korean Radiological Society 2006;55(2):199-201
Granular cell tumor is a rare and usually benign tumor that occasionally involves the breast. The physical examination, the mammographic and ultrasonographic findings and the pathologic findings are often suggestive of carcinoma. We report here a rare case of granular cell tumor of the breast that mimicked carcinoma on the mammography, ultrasonography and MR imaging.
Breast*
;
Granular Cell Tumor*
;
Magnetic Resonance Imaging
;
Mammography
;
Physical Examination
;
Ultrasonography
6.Tuberous Sclerosis Manifested by Spontaneous Rupture of Renal Angiomyolipoma in a Patient with Polycystic Kidney Disease.
Tae Woo KIM ; Sook KIM ; Seung Boo YANG ; Chu Hee LEE ; Jun Young DO ; Jong Won PARK
Korean Journal of Nephrology 2007;26(6):772-778
Tuberous sclerosis is an autosomal dominant disorder characterized by seizure, mental retardation and harmatomatous lesions in multiple organs. The renal lesions of tuberous sclerosis are multiple angiomyolipomas often associated with cysts of various sizes. A 47-year-old man who had been on hemodialysis for 12 years was admitted to our hospital because of sudden onset of right flank pain. He had polycystic kidney disease and adenoma sebaceum. Abdominal computed tomography showed an enlarged right kidney with massive hemorrhage, and renal arteriography showed massive bleeding. Immediate transarterial embolization and radical nephrectomy on the right kidney was done. Pathologic examination revealed ruptured renal angiomyolipoma, confirming that he had contiguous gene syndrome. We experienced a case of tuberous sclerosis with spontaneous rupture of renal angiomyolipoma in a hemodialysis patient with autosomal dominant polycystic kidney disease.
Angiography
;
Angiomyolipoma*
;
Flank Pain
;
Hemorrhage
;
Humans
;
Intellectual Disability
;
Kidney
;
Middle Aged
;
Nephrectomy
;
Polycystic Kidney Diseases*
;
Polycystic Kidney, Autosomal Dominant
;
Renal Dialysis
;
Rupture, Spontaneous*
;
Seizures
;
Tuberous Sclerosis*
7.Endovascular Management of Immediate Procedure-Related Complications of Failed Hemodialysis Access Recanalization.
Dong Hun KIM ; Dong Erk GOO ; Seung Boo YANG ; Cheul MOON ; Deuk Lin CHOI
Korean Journal of Radiology 2005;6(3):185-195
Endovascular procedures are becoming the standard type of care for the management of hemodialysis vascular access dysfunction. As with any type of medical procedure, these techniques can result in procedure-related complications, although the expected number of complications is low. The clinical extent of these complications varies from case to case. Management of these cases depends on the clinical presentation. Major complications such as vein rupture, arterial embolism, remote site bleeding or hematoma, symptomatic pulmonary embolism and puncture site complications necessitating treatment require major therapy. Minor complications such as non-flow compromising small puncture site hematoma or pseudoaneurysms require little or no therapy. It is essential that the interventionist be prepared to manage these complications appropriately when they arise.
Veins
;
Stents
;
Rupture, Spontaneous
;
Retrospective Studies
;
Renal Dialysis/*methods
;
Postoperative Complications/therapy
;
Middle Aged
;
Male
;
Humans
;
Female
;
Extravasation of Diagnostic and Therapeutic Materials/therapy
;
Embolism/therapy
;
*Arteriovenous Shunt, Surgical
;
Aged
;
Adult
8.Selective Uterine Artery Embolization for Management of Interstitial Ectopic Pregnancy.
Seung Boo YANG ; Sang Jin LEE ; Hwan Sung JOE ; Dong Erk GOO ; Yun Woo CHANG ; Dong Hun KIM
Korean Journal of Radiology 2007;8(2):176-179
Interstitial ectopic pregnancy is a rare condition of pregnancy and may be very dangerous if not identified and treated urgently. We report a case of successful treatment of an interstitial pregnancy using selective uterine artery embolization. A 27-year-old woman with interstitial pregnancy was treated by uterine artery embolization after failure of systemic methotrexate treatment. Her serum beta-human chorionic gonadotropin (β-hCG) was undetectable one month after the therapeutic embolization and transvaginal sonography 31 days after embolization showed normal endometrium and cornu. The patient achieved a normal pregnancy eight months after embolization.
Adult
;
Embolization, Therapeutic/*methods
;
Female
;
Humans
;
Pregnancy
;
Pregnancy, Ectopic/*therapy/ultrasonography
;
Uterus/*blood supply
9.A Case of Atypical Distribution of Pulmonary Tuberculosis in Bedridden Patient with Quadriplegia.
Hun Gyu HWANG ; Eun Jung JUNG ; Gune Il LIM ; Seung Boo YANG ; Han Hyeok IM
Tuberculosis and Respiratory Diseases 2010;69(1):52-55
Pulmonary tuberculosis has intermediate prevalence in Korea. It is known that tuberculosis infection predominantly involves the upper lobes, based on the fact that multiplication of Mycobacterium tuberculosis is favored in areas with decreased pulmonary blood flow, impaired lymphatic drainage, and high oxygen tension. We report this case of a 40-year-old man who was brought to our hospital with hemoptysis and dyspnea. Prior to admission, the patient had been in a bedridden state for 15 years due to an injury of the cervical spine 4~5. A 3-Dimensional computed tomography showed predominantly longitudinal distribution of centrilobular nodules along the anterior chest wall, in the left lung. MTB-PCR and AFB culture of bronchial washing fluid revealed pulmonary tuberculosis. This case shows that long-standing supine posture and decreased motion of the anterior chest wall may change the distribution of preferential infection site of Mycobacterium tuberculosis in the lung, resulting in a ventral predominance of tuberculosis infection in the quadriplegic patient.
Adult
;
Drainage
;
Dyspnea
;
Hemoptysis
;
Humans
;
Korea
;
Lung
;
Mycobacterium tuberculosis
;
Oxygen
;
Posture
;
Prevalence
;
Quadriplegia
;
Spine
;
Thoracic Wall
;
Tomography, X-Ray Computed
;
Tuberculosis
;
Tuberculosis, Pulmonary
10.A Case of Atypical Distribution of Pulmonary Tuberculosis in Bedridden Patient with Quadriplegia.
Hun Gyu HWANG ; Eun Jung JUNG ; Gune Il LIM ; Seung Boo YANG ; Han Hyeok IM
Tuberculosis and Respiratory Diseases 2010;69(1):52-55
Pulmonary tuberculosis has intermediate prevalence in Korea. It is known that tuberculosis infection predominantly involves the upper lobes, based on the fact that multiplication of Mycobacterium tuberculosis is favored in areas with decreased pulmonary blood flow, impaired lymphatic drainage, and high oxygen tension. We report this case of a 40-year-old man who was brought to our hospital with hemoptysis and dyspnea. Prior to admission, the patient had been in a bedridden state for 15 years due to an injury of the cervical spine 4~5. A 3-Dimensional computed tomography showed predominantly longitudinal distribution of centrilobular nodules along the anterior chest wall, in the left lung. MTB-PCR and AFB culture of bronchial washing fluid revealed pulmonary tuberculosis. This case shows that long-standing supine posture and decreased motion of the anterior chest wall may change the distribution of preferential infection site of Mycobacterium tuberculosis in the lung, resulting in a ventral predominance of tuberculosis infection in the quadriplegic patient.
Adult
;
Drainage
;
Dyspnea
;
Hemoptysis
;
Humans
;
Korea
;
Lung
;
Mycobacterium tuberculosis
;
Oxygen
;
Posture
;
Prevalence
;
Quadriplegia
;
Spine
;
Thoracic Wall
;
Tomography, X-Ray Computed
;
Tuberculosis
;
Tuberculosis, Pulmonary