1.Rationale for the Combined Front and Back Surgery in the Treatment of Cervical Spondylotic Myeloradiculopathy
Han CHANG ; Won Jong BAHK ; Jong Wook SIN ; Hyun BOK
The Journal of the Korean Orthopaedic Association 1996;31(1):33-41
We have retrospectively analyzed the clinical and radiological outcome in 22 cervical spondylotic myeloradiculopathy patients who underwent combined front anterior decompression and fusion) and back (open door laminoplasty) surgery between Mar. 1991 and Jan. 1995. Clinical symptoms were evaluated by Japanese Orthopaedic Association(JOA) score and the recovery rate. Plain radiogram and MIR were taken before and after surgery, and then the cervical curvature, change of body to canal ratio and the A-P compression ratio of the cord were measured and compared to the clinical symptoms. Results : The mean JOA score increased from 10.1±3.3 preoperatively to 14.7±1.4 at the final follow-up with a mean recovery rate of 64.4%. No patients deteriorated as a result of the combined procedure. Post-op. radiograms showed an increasement of body to ratios (average 0.69±0.09 pre-op. to 1.0±0.13 post-op.) and maintenance or recovery of cervical Lordosis. On MRI, the A-P compression ratios of the cord were increased with recovery of subarachnoid space after the operation in most cases (average 38.4±7.6 pre-op. to 55.7±7.2 post-op.). Conclusion : This combined procedure safely and effectively resulted in decompression of the spinal cord and good functional recovery in patients with 1) anterior and posterior pathology, 2) narrow spinal canal and large spondylotic bar or herniated disc encroaching the spinal canal more than 5mm, 3) narrow spinal canal and kyphotic deformity, 4) narrow spinal canal and segmental instability, 5) multisegmental cord compression and severe radiculopathy.
Animals
;
Asian Continental Ancestry Group
;
Congenital Abnormalities
;
Decompression
;
Follow-Up Studies
;
Humans
;
Intervertebral Disc Displacement
;
Lordosis
;
Magnetic Resonance Imaging
;
Pathology
;
Radiculopathy
;
Retrospective Studies
;
Spinal Canal
;
Spinal Cord
;
Subarachnoid Space
2.Magnetic resonance imaging of abdominal disease
Byung Ihn CHOI ; In Wook CHOO ; Kyeong Hee KIM ; Man Chung HAN ; Chu Wan KIM ; Hyun Wook PARK ; Zang Hee CHO
Journal of the Korean Radiological Society 1986;22(6):1015-1026
Magnetic Resonance Imaging(MRI) with 2.0 Tesla superconductive magnet developed by Korea Advanced Institute ofScience was performed in 25 patients with various abdominal diseases and compared with x-ray CT. MRI was obtainedwith spin echo technique using a variety of pulse sequence and various slice orientation including axial, sgittaland coronal section in order to evaluate the diagnostic value, limitation and to determine the optimal pulsesequency in various abdominal diseases. MRI demonstrated the capability of detecting the lesions shown on CT inall cases and also detected one case of diffuse hepatocellular carcinoma which was not seen on CT. MRI showedcapability of differentiation of various liver mass including hepatocellular carcinoma, hemangnioma and simplecyst. MRI showed better anatomical resolution of tumor in retroperitoneum and pelvis, however CT delineatedalimentary tract disease better than MRI did.
Carcinoma, Hepatocellular
;
Humans
;
Korea
;
Liver
;
Magnetic Resonance Imaging
;
Pelvis
3.Adult Onset Still's Disease Developed in Chronic Urticaria Patient.
Sin Wook CHUN ; Sang Yoon LEE ; Hyun Ok SON ; Byung In RO ; Han Kyoung CHO
Korean Journal of Dermatology 2014;52(9):665-666
No abstract available.
Fever
;
Humans
;
Still's Disease, Adult-Onset*
;
Urticaria*
4.MR findings of metastatic brain tumors.
Joong Mo AHN ; Kee Hyun CHANG ; Moon Hee HAN ; Sang Hoon CHA ; Jae Wook RYOO
Journal of the Korean Radiological Society 1993;29(3):355-361
The purpose of this study is to describe the magnetic resonance imaging (MR) findings of metastatic brain tumors with emphasis on the signal intensities of the lesion on MR. Thirty four patients with intracranial metastases were studies with MR imaging. The diagnosis was established on the basis of either brain biopsy or combination of brain MR findings and the presence of primary tumors. The primary tumors include lung cancer (n=18), breast cancer (n=3), stomach cancer (n=3), rectal cancer (n=1), renal cell carcinoma (n=1), hepatocellular carcinoma(n=1), ovarian cancer (n=1), thyroid cancer (n=1), melanoma (n=1) and unknown primary sites (n=4). The parenchymal lesions were solitary in 35% (12/34) and multiple in 65% (22/34). The size of the lesions was variable, ranging from several millimeters to 5cm in diameter. The corticomedullar junction of the cerebral heispheres was the most common location of the lesions (68%). The signal intensity of solid portion of the lesions was usually either isointense (44%) or hypointense (29%) on T1-weighted images, whereas it appeared in isointense (47%), hypointense (8%) or hyperintense (11%) on proton density-weighted or T2-weighted images. The remaining cases showed mixed signal intensities. The enhancement patterns were variable including nodular (<1cm) (6%), homogenous (19%), heterogeneous (10%), ring-like enhancement (22%) or mixed pattern(43%). The size of surrounding edema was larger than the tumor diameter in 76%. In conclusion, although there are no specific MR findings of intracranial metastasis except multiplicity, intracranial metastasis should be included in differential diagnosis with high priority, when a solitary mass showing isointensity on boty T1-and T2-weighted images with massive surrounding edema, especially in the corticomedullary junction of the cerebral hemispheres is encountered.
Biopsy
;
Brain Neoplasms*
;
Brain*
;
Breast Neoplasms
;
Carcinoma, Renal Cell
;
Cerebrum
;
Diagnosis
;
Diagnosis, Differential
;
Edema
;
Humans
;
Lung Neoplasms
;
Magnetic Resonance Imaging
;
Melanoma
;
Neoplasm Metastasis
;
Ovarian Neoplasms
;
Protons
;
Rectal Neoplasms
;
Stomach Neoplasms
;
Thyroid Neoplasms
5.MR findings of metastatic brain tumors.
Joong Mo AHN ; Kee Hyun CHANG ; Moon Hee HAN ; Sang Hoon CHA ; Jae Wook RYOO
Journal of the Korean Radiological Society 1993;29(3):355-361
The purpose of this study is to describe the magnetic resonance imaging (MR) findings of metastatic brain tumors with emphasis on the signal intensities of the lesion on MR. Thirty four patients with intracranial metastases were studies with MR imaging. The diagnosis was established on the basis of either brain biopsy or combination of brain MR findings and the presence of primary tumors. The primary tumors include lung cancer (n=18), breast cancer (n=3), stomach cancer (n=3), rectal cancer (n=1), renal cell carcinoma (n=1), hepatocellular carcinoma(n=1), ovarian cancer (n=1), thyroid cancer (n=1), melanoma (n=1) and unknown primary sites (n=4). The parenchymal lesions were solitary in 35% (12/34) and multiple in 65% (22/34). The size of the lesions was variable, ranging from several millimeters to 5cm in diameter. The corticomedullar junction of the cerebral heispheres was the most common location of the lesions (68%). The signal intensity of solid portion of the lesions was usually either isointense (44%) or hypointense (29%) on T1-weighted images, whereas it appeared in isointense (47%), hypointense (8%) or hyperintense (11%) on proton density-weighted or T2-weighted images. The remaining cases showed mixed signal intensities. The enhancement patterns were variable including nodular (<1cm) (6%), homogenous (19%), heterogeneous (10%), ring-like enhancement (22%) or mixed pattern(43%). The size of surrounding edema was larger than the tumor diameter in 76%. In conclusion, although there are no specific MR findings of intracranial metastasis except multiplicity, intracranial metastasis should be included in differential diagnosis with high priority, when a solitary mass showing isointensity on boty T1-and T2-weighted images with massive surrounding edema, especially in the corticomedullary junction of the cerebral hemispheres is encountered.
Biopsy
;
Brain Neoplasms*
;
Brain*
;
Breast Neoplasms
;
Carcinoma, Renal Cell
;
Cerebrum
;
Diagnosis
;
Diagnosis, Differential
;
Edema
;
Humans
;
Lung Neoplasms
;
Magnetic Resonance Imaging
;
Melanoma
;
Neoplasm Metastasis
;
Ovarian Neoplasms
;
Protons
;
Rectal Neoplasms
;
Stomach Neoplasms
;
Thyroid Neoplasms
6.Diaphragmatic Movements in Neonates.
Hee Shang YOUN ; Han Wook YOO ; Moon Hong DO ; Jung Hyun CHO
Journal of the Korean Pediatric Society 1990;33(7):901-906
No abstract available.
Humans
;
Infant, Newborn*
7.A Case of the Cellular Neurothekeoma on Scalp.
Hyun Ok SON ; Sang Yoon LEE ; Sin Wook CHUN ; Byung In RO ; Han Kyoung CHO
Korean Journal of Dermatology 2015;53(6):479-481
No abstract available.
Neurothekeoma*
;
Scalp*
8.Immunogenicity from polio/hepatitis B chimeric virus.
Tae Wook HAN ; Ree Ann YOO ; Suk Hoon HA ; Wan Je PARK ; Hyun Su KIM
Journal of the Korean Society of Virology 1992;22(2):111-117
No abstract available.
9.Splenic Rupture Complicated by Infective Endocarditis.
Joon Han SHIN ; Sang Wook LIM ; Hyuck Moon KWON ; Hyun Seung KIM
Korean Circulation Journal 1992;22(2):330-334
In complication of infective endocaditis splenomegaly and splenic infarction are not uncommon but splenic rupture is very rare. We report a case of splenic rupture complicated by infective endocarditis in 1 71-yr-old man who had been suffered from rheumatic heart disease (aortic regurgitation and stenosis and mitral regurgitation). The patient was admitted to mild fever and generalized weakness for 20 days. Diagnosis of infective endocarditis due to Staphylococcus epidermidis was made by clinical manifestaions and blood culture study.On 34th day of admissionthe patient suddenly displayed the symptoms and signs of massive intraperitoneal hemorrhage. Splenic rupture was revealed by paracentesis and radiologic studies. Rupture of spleen is an uncommon and usually fatal complication of infective endocarditis. Therefore early diagnosis and prompt treatment must be performed.
Constriction, Pathologic
;
Diagnosis
;
Early Diagnosis
;
Endocarditis*
;
Fever
;
Hemorrhage
;
Humans
;
Paracentesis
;
Rheumatic Heart Disease
;
Rupture
;
Spleen
;
Splenic Infarction
;
Splenic Rupture*
;
Splenomegaly
;
Staphylococcus epidermidis
10.A Case of Congenital Lipoid Adrenal Hyperplasia: Early Diagnosis by Using Computed Tomography.
Jung Hyun KWON ; Ji Young KIM ; Hae Soon KIM ; Sun Wha LEE ; Han Wook YOO
Journal of Korean Society of Pediatric Endocrinology 2004;9(2):208-212
Congenital lipoid adrenal hyperplasia, the most severe form of congenital adrenal hyperplasia, is caused by mutations in the steroidogenic acute regulatory protien (StAR). It is characterized by failure of synthesis of all three classes of adrenal steroids and massive accumulation of lipids and cholesterol in the adrenal cortex. The computed tomography (CT) unequivocally delineated massively enlarged adrenal glands of fat-tissue attenuation, enabling early diagnosis and replacement therapy. We report a case of congenital lipoid adrenal hyperplasia, in which CT established that lipoid deposition at the adrenal cortex disappeared after the adrenal hormone replacement therapy.
Adrenal Cortex
;
Adrenal Glands
;
Adrenal Hyperplasia, Congenital
;
Cholesterol
;
Early Diagnosis*
;
Hormone Replacement Therapy
;
Hyperplasia*
;
Steroids