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JYMS : Journal of Yeungnam Medical Science

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Chan Won Park 5 Articles
The effect of Transarterial Chemoembolization(TAE) on Lung metastasis of Hepatocellular Carcinoma.
Heon Ju Lee, Jong Ryul Eun, Young Doo Song, Chan Won Park
Yeungnam Univ J Med. 2000;17(1):66-74.   Published online June 30, 2000
DOI: https://doi.org/10.12701/yujm.2000.17.1.66
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BACKGROUND
During follow up period after transarterial embolization(TAE), cases of pulmonary metastasis were more prevalent in TAE-treated patients than in TAE-untreated patients. Therefore, a study was conducted to evaluate whether TAE increases the incidence of pulmonary metastasis of hepatocellular carcinoma and to clarify the risk factors for pulmonary metastasis. METHODS: From march 1991 to march 1995, 156 patients who had been diagnosed with hepatocellular carcinoma by serology, and radiographic and histologic method at Yeungnam university hospital were involved in this study. We excluded 12 patients with lung metastasis on initial diagnosis and the others. The remaining 144 patients had been followed up for at least 5 months, and divided into four groups according to lung metastasis and trans-arterial embolization treatment, and evaluated the age, sex, child-pugh score, liver cirrhosis, and the level of AFP. RESULTS: Pulmonary metastasis was found in 18.0% (26/144), of witch 92.3%(24/26) and 7.7%(2/26) of the patients with and without transarterial chemoembolization, respectively. Of thepatients, 23.5% (24/102) with TAE had lung metastais during follow-up periods and 4.7% (2/42) without TAE had lung metastasis. there was more likelihood for lung metastasis after TAE, but there was no difference between two groups in age, sex, child-pugh class, the presence of liver cirrhosis, and AFP. CONCLUSIONS: The incidence of pulmonary metastasis of hepatocellular carcinoma after TAE was higher. child-pugh class was the only related clinical precipitating factors for pulmonary metastasis in TAE in our study. Our results suggest that regular chest X-ray check-up may be more frequently needed by patients who had TAE treatment for hepatocellular carcinoma.
A Case of Right Atrial Mass Associated With Hepatocellular Carcinoma.
Chan Won Park, Jin Soo Choi, Soon UK Kwon, Young Doo Song, Jun Hwan Kim, Heun Joo Lee
Yeungnam Univ J Med. 1999;16(1):119-124.   Published online June 30, 1999
DOI: https://doi.org/10.12701/yujm.1999.16.1.119
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Right atrial metastasis occurs in 1 to 4% of patients with hepatoma. and the extention to intracavitary or metastasis of tumor as a large mass rare. However, the high risk of progressive heart failure and sudden death from the tricuspid valve obstruction necessitates prompt diagnosis of intracavitary extension, and adequate intervention is needed to prolong a patient's life. A 49 year-old female was referred to our hospital for further evaluation of a liver mass, which was identified at a local clinic. The liver mass was confirmed as hepatocellular carcinoma with CT and celiac angiographic finding. She was treated with transarterial chemoembolization. Thirty-four months after discharge, a low density right atrial mass was noted incidentally with chest computed tomography while investigating massive right pleural effusion for possible pulmonary metastasis. Echocardiography showed a huge inhomogenous echogenic mass at the right atrium. The present report describes a case of primary hepatocellular carcinoma with a intracavitary cardiac mass detected with two dimensional echocardiography.
A Case of Rhabdomyosarcoma in the Liver.
Dong Jun Lee, Ji Sung Yoon, Joon Hwan Kim, Chan Won Park, Jeong Ill Suh, Heon Ju Lee, Ki Kweon Kim
Yeungnam Univ J Med. 1996;13(2):360-366.   Published online December 31, 1996
DOI: https://doi.org/10.12701/yujm.1996.13.2.360
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Pure primary hepatic rhabdomyosarcoma in adult is very uncommon. There have been only five previous case of primary rhabdomyosarcoma of the adult liver. A case of hepatic ihabdomyosarcoma was diagnosed in a 52 year-old female. She was admitted to the hospital due to the epigastric pain and weight loss. A CT scan of the abdomen showed a large hypodense mass with focal calcification occupies most of the both lobes of the liver. The liver biopsy showed massive liver tumor composed entirely of oval shaped cells showing light microscopic and immunohistochemical evidence of rhabdomyoblastic differentiation. We report a case of hepatic rhabdomyosarcoma with review of literature.
A Case of Hepatocellular Carcinoma after Hepatic Artery Ligation.
Jeong Ill Suh, Joon Hwan Kim, Dong Joon Lee, Ki Yoon Kim, Ho Jung Kang, Chan Won Park, Heon Ju Lee
Yeungnam Univ J Med. 1996;13(1):146-151.   Published online June 30, 1996
DOI: https://doi.org/10.12701/yujm.1996.13.1.146
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Majority of .hepatocellular carcinoma is evolved from a well differentiated cancerous condition such as hypetptastic lesions eg; adenomatous hyperplasia in cirrhotic liver or de no vo carcinogenesis and prolifenation along with dedifferentiation. Adenomatous hyperplasia is may be seen in severe acute hepatic injury, like svhmassive hepatic necrosis, or in chronic liver diseases, particularly liver cirrhosis and it has recently attracted much interest from both clinicians and pathologists because it is regarded as a precursor lesion of hepatocObdar carcinoma. Hepatic. denomatous hyperplasia resembling focal nodular hyperplasia might have developed from localized vascular changes associated with chronic liver disease, pre-existing arterial malformation and early stage of angiogenesis in hepatocarcinogenesis. .fie present a patient who developed hepatocellular carcinoma after hepatic artery ligation.
Treatment Planning Correction Using MRI in the Radiotherapy of Cervical Cancer.
Se One Shin, Kil Ho Cho, Chan Won Park
Yeungnam Univ J Med. 1995;12(2):203-209.   Published online December 31, 1995
DOI: https://doi.org/10.12701/yujm.1995.12.2.203
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PURPOSE: To evaluate the role of MRI in the management of cervical cancer treated by conventional four-field whole pelvic irradiation. METHOD AND MATERIAL: Between 1993-march and 1994-february, 20 patients(4 Stage I B, 3 Stage U A, 13 Stage U B) with invasive cervical cancer were eligible for evaluation of accuracy of conventionally designed lateral treatment field without MRI determination. RESULTS: 5 out of 20 Patients had inadequate margin without MRI. The position of uterine fundus was more important than cervix in correction of field size and the center of treatment field. CONCLUSION: This Preliminary date show MRI determination of uterine position prior to radiotherapy planning is essential in the case of four-field whole pelvic irradiation technique.

JYMS : Journal of Yeungnam Medical Science