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JYMS : Journal of Yeungnam Medical Science

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Jae Kyo Lee 9 Articles
Anterior Mediastinal Tumor.
Jae Kyo Lee
Yeungnam Univ J Med. 2010;27(2):98-104.   Published online December 31, 2010
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AbstractAbstract PDF
Primary anterior mediastinal neoplasms comprise a diverse group of tumors and account for 50% of all mediastinal masses. Thymic epithelial neoplasm are most common and classified into thymoma, invasive thymoma, and thymic carcinoma. Neuroendocrine differentiation of thymic epithelial neoplasm are rare malignancies. Germ cell tumor (GCT) is second most common anterior mediastinal tumor and most of them are mature cystic teratoma. Malignant mediastinal GCT are rare than benign. Primary thoracic lymphoma is rare than thoracic involvement of systemic lymphoma and most common location of primary thoracic lymphoma is anterior mediastinum. The clinical and radiologic appearance of the most common masses are reviewed.
Congenital Aortic Arch Anomaly : CT Findings and Incidence
Jae Kyo Lee, Mi Soo Hwang
Yeungnam Univ J Med. 2007;24(2 Suppl):S549-554.   Published online December 31, 2007
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AbstractAbstract PDF
Purpose:The study was done to evaluate the variable presentation of aortic arch anomaly. Materials and Methods:Among consecutive 10,008 patients who underwent chest CT scanning at our institution for five years, we experienced 49 cases of aortic arch anomalies. The patients who represented with right side aortic arch only were excluded.
:Thirty five patients revealed aberrant right subclavian artery, 11 patients show aberrant left subclavian artery with right side aortic arch, and 3 patients revealed double aortic arch. No patients represent obstructive symptom.
:Aberrant subclavian artery and double aortic arch were common congenital aortic arch anomaly, and recognition of vascular anomaly can avoid procedure failure of surgery and interventional therapy.
Supratentorial Leptomeningeal Hemangioblstoma -Case Report-
Han Won Jang, Woo Mok Byun, Jae Kyo Lee, Jae Ho Cho, Kil Ho Cho, Mi Soo Hwang, Bok Hwan Park, Joon Hyuk Choi
Yeungnam Univ J Med. 2007;24(2 Suppl):S770-774.   Published online December 31, 2007
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  • 4 Crossref
AbstractAbstract PDF
Hemangioblastoma is a benign tumor that most commonly occurs in the cerebellum and associated with von Hippel-Lindau (VHL) disease. Supratentorial hemanigoblastomas are exceptionally rare. We describe the magnetic resonance imaging (MRI) and histopathologic findings of a supratentorial leptomeningeal hemangioblastoma.


Citations to this article as recorded by  
  • Sporadic supratentorial hemangioblastoma with meningeal affection: A case report and literature review
    Juan Francisco Sánchez-Ortega, Marta Claramonte, Mónica Martín, Juan Calatayud-Pérez
    Surgical Neurology International.2021; 12: 394.     CrossRef
  • Supratentorial hemangioblastomas in von Hippel–Lindau wild-type patients – case series and literature review
    Luís Rocha, Carolina Noronha, Ricardo Taipa, Joaquim Reis, Mário Gomes, Ernesto Carvalho
    International Journal of Neuroscience.2018; 128(3): 295.     CrossRef
  • Meningeal Supratentorial Hemangioblastoma in a Patient with Von Hippel-Lindau Disease Mimicking Angioblastic Menigioma
    Hoon Kim, Ik-Seong Park, Kwang Wook Jo
    Journal of Korean Neurosurgical Society.2013; 54(5): 415.     CrossRef
  • Supratentorial hemangioblastoma: clinical features, prognosis, and predictive value of location for von Hippel-Lindau disease
    S. A. Mills, M. C. Oh, M. J. Rutkowski, M. E. Sughrue, I. J. Barani, A. T. Parsa
    Neuro-Oncology.2012; 14(8): 1097.     CrossRef
Sonographic Findings of Thyroid Papillary Carcinoma.
Jae Kyo Lee
Yeungnam Univ J Med. 2004;21(2):224-230.   Published online December 31, 2004
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AbstractAbstract PDF
To determine the various sonographic findings in a papillary carcinoma of the thyroid. MATERIALS AND METHODS: 48 patients with a proven papillary carcinoma of the thyroid were involved. The sonographic features analyzed were the size, shape, content, margin, internal echo, and calcification pattern. RESULTS: Common sonographic features of a papillary carcinoma include the hypoechoic texture (94%), an ill defined margin (81%), a solid nodule (100%), irregular shape (48%), and microcalcifications (35%), or no calcifications (42%). The uncommon features included a hyperechoic or mixed echo texture, cystic elements, a well defined margin, and a coarse or peripheral calcifications. CONCLUSION: Ill-defined hypoechoic solid nodule with microcalcification is a characteristic ultrasonographic finding of a thyroid papillary carcinoma.
Acute Pulmonary Embolism by Silicone Injection: Radiologic Findings.
Jae Kyo Lee
Yeungnam Univ J Med. 2004;21(2):215-223.   Published online December 31, 2004
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  • 6 Download
AbstractAbstract PDF
Silicone is widely used for medical purposes in breast augmentation and other cosmetic procedures. Illegal injections of silicone in human beings might have adverse effects and one of the serious problems is a silicone embolism. We experienced five cases of unusual respiratory difficulties after an injection of liquid silicone in the breast, vagina, uterus, and hip. They were all young adult females, who were previously healthy. One of them died after the injection. The three remaining patients were admitted because of dyspnea, coughing, chest discomfort and bilateral pulmonary infiltration after the silicone injection. A transbronchial lung biopsy and autopsy disclosed many oil like materials filling the alveolar septal capillaries. Three patients underwent a computed tomogram (CT), which revealed multifocal airspace consolidations at the peripheral and non-dependent portions of both lungs, which is a different finding from other thromboembolisms. Lung scans of the disclosed abnormalities were compatible with silicone induced pulmonary embolism.
Pulmonary Cryptococcosis in Immunocompetent Patients: CT Findings.
Jae Kyo Lee
Yeungnam Univ J Med. 2004;21(1):74-81.   Published online June 30, 2004
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AbstractAbstract PDF
PURPOSE: To evaluate the computed tomography (CT) findings of pulmonary cryptococcosis in immunocompetent patients. MATERIALS AND METHODS: CT scans of 25 patients with biopsy-proven cryptococcosis [surgery (n=3), percutaneous needle biopsy (n=21), and bronchoscopic biopsy (n=1) ] were analyzed. Thirteen patients were men and 12 patients were women, with a mean age of 53.7 years. Presenting symptoms were cough, sputum, and dyspnea and 12 patients presented with incidentally found chest radiographic abnormalities. RESULTS: Nodule or multiple conglomerate nodules (n=10, 40%) and segmental or lobular consolidation (n=9, 36%) were most common, followed by mixed patterns (n=5, 20%). Predilection sites were lower lobe (n=21/37, 57%) and subpleural areas (n=23, 92%). Air bronchograms within consolidations (n=11/14, 79%) with mild volume loss (n=10/14, 71%) were common. While interlobular septal thickening (n=11, 44%) and cavitation or central low-attenuations (n=11, 44%) were relatively common, lymphadenopathy (n=2, 8%) or free pleural effusions (n=1, 4%) were uncommon. CONCLUSION: Nodules or airspace consolidation with a predilection of lower lobe and subpleural area are the most common appearances of pulmonary cryptococcosis in immunocompetent patients.
Radiologic Findings of Uncommon Breast Cancer.
Jae Woon Kim, Jae Hong An, Mi Soo Hwang, Jae Kyo Lee, Woo Mok Byun
Yeungnam Univ J Med. 1998;15(1):114-124.   Published online June 30, 1998
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AbstractAbstract PDF
We analyzed the mammographic (n=21) findings (location, margin, shape, cluster microcalcifications, size, multiplicity) and ultrasonographic (n=12) findings (shape, border, internal echo, boundary echo, posterior echo, lateral echo, width/depth ratio) to evaluate specific radiologic findings of histopathologically proved uncommon breast cancer. The mammographic findings (n=21) are as follow; 1) single; 16, multiple; 5 2) margin (smooth; 13, irregular; 4, spiculated; 4) 3) shape (round and ovoid; 9, lobulated; 8, irregular; 4) 4) cluster microcalcifications (abscent; 20, present; 1) 5) size (1-3cm; 18, 3-5cm; 2, 5cm> ; 1) 6) location (UOQ; 13, UIQ; 4, LIQ; 3, LOQ; 1). The ultrasonographic findings (n=12) are as follow; 1) shape (round to oval; 5, lobulated; 5, irregular; 2) 2) border (smooth even; 9, rough uneven; 3) 3) internal echo (fine homogeneous; 5, coarse heterogeneous; 7) 4) boundary echo (regular fine; 4, irregular thick; 8) 5) posterior echo (enhanced; 11, no change; 1) 6) lateral echo (marked; 7, nonexistent; 5) 7) width/depth ratio (1.5> 1, 1.0-1.5; 7, 1.0< ; 4). Uncommon breast cancer show benign nature on mammogram, but malignant nature on ultrasonogram (especially boundary echo, internal echo, width/depth ratio)
The Measurement of Blood Flow of Anterior Cerebral Artery in Premature Newborns Using Duplex Dopple Ultrasonography.
Mi Soo Hwang, Kyeung Kug Bae, Jae Kyo Lee
Yeungnam Univ J Med. 1997;14(1):77-84.   Published online June 30, 1997
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AbstractAbstract PDF
We measured the blood flow velocity of the anterior cerebral artery via anterior fontanelle approach of fifty five preterm neonates with duplex Doppler sonography and analyzed the waveform and calculated pulsatility index were increased with increasing gestational age, birth weight, and age of the neonate, but resistive indices decreased. In sick babies, characteristic resistive index increment were seen in patients with intraventricular hemorrhage, but no statistical difference was seen in patients with respiratory distress syndrome. Our results suggest that duplex Doppler sonography is a use ful noninvasive means of monitoring cerebrohemodynamics in normal pretem neonates and flow change of sick babies.
Acute Pulmonary Mycetoma Due to Candida albicans in AML patient.
Jae Kyo Lee, Mi Soo Hwang, Mi Jin Kim
Yeungnam Univ J Med. 1995;12(1):135-140.   Published online June 30, 1995
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AbstractAbstract PDF
Acute cavitating pulmonary infection with a mycetoma is sometimes occur in immunocompromised patient. Most mycetoma lesions are due to Aspergillus species, and lesion caused by Candida species is rare. So we report an experienced case that pulmonary and rib infection caused by Candida species-'in -AML patient and complete remission with previous reports.

JYMS : Journal of Yeungnam Medical Science