1.Forensic application of radiology for individual identification in mass disaster.
Shin Mong KANG ; Hae Kyung LEE ; Deuk Lin CHOI ; Kui Hyang KWON ; Ki Jung KIM
Korean Journal of Legal Medicine 1992;16(1):7-15
No abstract available.
Disasters*
2.Observation of 99mTc-MDP-bone scan findings in traumatic vertebral fractures
Soon Im HAN ; Pyo Nyun KIM ; Hae Kyung LEE ; Moo Chan CHUNG ; Deuk Lin CHOI ; Ki Jung KIM
Journal of the Korean Radiological Society 1984;20(1):158-165
Bone scan using 99m Tc-MDP is the most accurate and reliable method for the early detection of fracture, andgive the most accurate in formation about the healing process of fractured bone. Recent days, the medicolegalproblem about the injured time is frequently provoked in vertebral fracture patient by trauma. The authorsanalyzed the bone scan of vertebral fracture patients from March to Dec. 1983. The authors obtained results asfollows: 1. The minimum time for a fracture to return to normal on a bone scan was 4 month in cervical spine. 2.It was 12 month in thoracic spine. 3. It was 6 month in lumbar spine. 4. Surrounding soft tissue injury was healedwithin 10 days after trauma in our cases. 5. Focal hot uptake is persisted in case of callus deposition on plainfilm, although very small in amount. 6. Healing time is delayed in case of severely compressed vertebral body,belowed the half than normal height. 7. With bone scan it is possible to differentiate the fresh fracture from oldhealed, impossible by plain film. 8. Healing time is delayed in old age.
Bony Callus
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Humans
;
Methods
;
Soft Tissue Injuries
;
Spine
3.MR imaging of avacular necrosis of the femoral head.
Eun Wan CHOI ; Won Soo CHO ; Hyun Sook HONG ; Hae Kyung LE ; Deuk Lin CHOI ; Ki Jung KIM
Journal of the Korean Radiological Society 1993;29(5):1051-1056
We evalusted the magnetic resonance imaging (MRI) findings of the femoral heads in 20 normal and 45 abnormal patients. The bone marrow in the healthy adults consisted of a combination of hematopoietic and fatty marrow, which showed age-related dirtribation, that is the component of fatty marrow was increased and the marrow vascularity was dereased with age. Avascular necrosis (AVN) showed a decreased bone marrow signal within an normal appearing femoral head on T1 and T2-weighted images. In addition, we could see inhomogenous low signal intensity (31 cases), a ring of low intensity with central normal signal intensity (25cases), focal low signal intensity (12 cases), or a band of low signal intensity (4 cases). MRI findings were abnormal in 10 cases with normal radiographic findings as well as in all the cases with abnormal ones. In conclusion, MRI should be the choice of the imaging modality for the evaluation of early bone marrow chages of AVN.
Adult
;
Bone Marrow
;
Head*
;
Humans
;
Magnetic Resonance Imaging*
;
Necrosis*
4.A study of individual identidual identification by roentgenographic characteristics of long bones in humen.
Han Heak IM ; Jong Woo KIM ; Deok Hwa HONG ; Hae Kyung LEE ; Deuk Lin CHOI ; Dae Ho KIM ; Kui Hyang KWON ; Ki Jung KIM
Journal of the Korean Radiological Society 1993;29(4):820-825
Individual identification procedure is one of the most improtant part in medicolegal fields. Recently, radiolegal investigation methods have been widely applicated to the medicolegal field for the purpose of individual identification. So authors attempted to determine sex and calculate stature by using roentgenographic findings of long bones of 248 subjects the living materials. In orthoscanographic study for long bones, we measured total length, midshaft width, epiphyseal width, cortical width, head diameter of each bones The total length, midshaft width, cortical width, condylar breath, horizontal & vertical head diameter of femur show statistically significant differentiation between two sexes, in tibia, total length, midshaft, cortical width, proximal and distal epiphyseal width show statistically significant. In fibula, Humerus, radius and ulna, total length is only statistically significant. And other wresults are statistically insignificant. Using femoral and fibial lengths (mm) with "Regression Analysis method" in SAS program, we derived the following fomulae. Height (cm)=95.62±0.148×Total length of Femur. (mm) Height(cm)=82.07±0.22×Total length of Tibia. (mm). In conclusion, radiologic measurement of long bone might be one of the useful methods in individual identification of unknown subject in Korea.
Femur
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Fibula
;
Head
;
Humerus
;
Korea
;
Radius
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Tibia
;
Ulna
5.Empty sella: incidence and significance in MR.
Young AHN ; Hyun Sook HONG ; Jae Sung PARK ; Dae Ho KIM ; Hae Kyung LEE ; Moo Chan CHUNG ; Deuk Lin CHOI ; Ki Jung KIM
Journal of the Korean Radiological Society 1991;27(6):773-777
No abstract available.
Incidence*
6.Radiologic Findings of Malignant Retroperitoneal Fibrosis.
Yu Jin CHANG ; Hae Kyung LEE ; Hyung Hwan KIM ; Jang Gyu CHA ; Hyun Sook HONG ; Gui Hyang KWON ; Deuk Lin CHOI
Journal of the Korean Radiological Society 1997;37(5):899-904
PURPOSE: To evaluate the radioloic findings of malignant retroperitoneal fibrosis. MATERIALS AND METHODS: Post-contrast CT (n=9) and urographic (n=7) findings of nine patients with malignant retroperitoneal fibrosis were retrospectively analyzed. Primary tumors were found to be advanced gastric cancer (n=6), early gastric cancer (n=1), breast cancer (n=1), and cervical cancer (n=1). We analyzed CT findings with regard to the site of soft tissue lesion, ureteral involvement, the presence or absence of hydronephrosis, and distant metastasis. The level and length of ureteral involvement, presence or abscence of ureteral stenosis, and ureteral displacement as seen on urography, were analyzed. RESULTS: On CT scans, enhanced soft tissue lesions (mass, 5 cases; plaque, 4 cases) encircling the abdominal aorta and IVC were noted in all cases. Thickening of the ureteral wall (n=8), hydronephrosis (n=9), and enlarged lymph node (n=5) were also seen. On urography, irregular stenosis and medial displacement of ureters from level L2 to S2 were noted in all cases. The length of ureteral involvement was 4-6.5cm. CONCLUSION: The common CT findings of malignant retroperitoneal fibrosis were enhanced soft tissue lesion encircling the abdominal aorta and IVC, hydronephrosis, and thickening of the ureteral wall. On urography, ureteral stenosis and medial displacement were seen.
Aorta, Abdominal
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Breast Neoplasms
;
Constriction, Pathologic
;
Humans
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Hydronephrosis
;
Lymph Nodes
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Neoplasm Metastasis
;
Retroperitoneal Fibrosis*
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Retrospective Studies
;
Stomach Neoplasms
;
Tomography, X-Ray Computed
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Ureter
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Urography
;
Uterine Cervical Neoplasms
7.Progression of Desmoid Tumors in Familial Polyposis: A Case Report.
Yong Il LEE ; Hae Kyung LEE ; Hyun Sook HONG ; Kui Hyang KWON ; Deuk Lin CHOI ; Jae Joon KIM
Journal of the Korean Radiological Society 2001;44(1):89-92
Multiple large bowel polyps are the hallmark of familial adenomatous polyposis (FAP), and many progress to colorectal cancer. Desmoid tumors are more common in patients with FAP than in other people, occurring, particularly, in those who have previously undergone prophylatic total colectomy. In such patients, desmoid tumors are a common cause of death. In an FAP patient without extracolic manifestation, who has undergone prophylatic surgery, multifocal desmoid tumors occur periodically. We report the serial radiologic findings of progressive desmoid tumors in FAP, drawing attention to the related findings of previous research.
Adenomatous Polyposis Coli
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Cause of Death
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Colectomy
;
Colorectal Neoplasms
;
Fibromatosis, Aggressive*
;
Humans
;
Polyps
8.The Usefulness of Additional Bilateral Whole Breast US with Negative Mammographic Results in Asymptomatic Women.
Jin Young KWAK ; Eun Kyung KIM ; Hae Kyoung JUNG ; Hai Lin PARK ; Tae Hee KWON
Journal of the Korean Radiological Society 2005;53(6):451-456
PURPOSE: We wanted to evaluate the clinical utility of performing bilateral whole breast US as a subsequent diagnostic method along with mammography in asymptomatic women. MATERIALS AND METHODS: From May 2002 to Dec 2004, we conducted 3998 examinations on 3638 patients with negative findings on the clinical examination and negative mammographic results, and those breast tissues having a BI-RADS category 2, 3, or 4 density were further evaluated by performing bilateral whole breast US. The patients' age distribution ranged from 24 to 66 years (mean age: 43.6 yrs). The abnormalities were compared with core or vacuum assisted core biopsy, operations, and follow up US. For the normal cases, we used the clinical notes and the statistical data from the Korean Central Cancer Registry. RESULTS: For 3998 examinations of 3638 women who were examined with bilateral whole breast US, pathologic confirmations were available for 433 patients and follow-up data were available for 35 patients. The sensitivity, specificity, the positive predictive value and the cancer detection rate of using additional whole breast US were 50, 92.6, 0.6 and 0.5, respectively. The two cancers that were detected only on US were minimal breast cancer. CONCLUSION: Although all the breast cancers that were detected only on US were minimal breast cancers, performing bilateral whole breast US revealed a low cancer detection rate and a high false positive. Therefore, further studies will be needed to investigate the role of US as a screening tool.
Age Distribution
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Biopsy
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Breast Neoplasms
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Breast*
;
Female
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Follow-Up Studies
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Humans
;
Mammography
;
Mass Screening
;
Sensitivity and Specificity
;
Vacuum
9.The Effect of Hearing Music on Pain Response during Blood Sampling in Neonates.
Hae Lin OH ; Eun Ju YANG ; Hyun Ju LEE ; Hyun Kyung PARK ; Chang Ryul KIM
Neonatal Medicine 2013;20(4):470-475
PURPOSE: We studied this study to see the effect of hearing music on response to pain during needling. We hypothesized that music would reduce pain in newborns. METHODS: Twenty term and near-term newborns were enrolled for the study. They were admitted to neonatal intensive care unit of Hanyang University Guri Hospital from May 1, 2011 to September 30, 2011. We evaluated pain response to needling, such as arterial puncture or heel prick, by using Neonatal Infant Pain Scale (NIPS; facial expression, crying, breathing patterns, arms, legs, state of arousal) and duration of crying through video recording. We started video recording when the newborns were stable with 0 score of NIPS, and continued for 3 minutes after needling. Each newborn took video-recordings in 2 separate periods. One was done with hearing music (Music group) and the other without music (Control group). Two observers reviewed the videotapes and gave final scores in agreement. T-test was done for comparisons of pain scale and duration of crying between music and control groups. RESULTS: Mean age and hospital days at test of the subjects were 6+/-5 days of life (1-16 days of life) and 3+/-2 days, respectively. Twenty-one of 40 needlings (52.5%) for blood sample were from radial arterial puncture and 19 (47.5%) from heel prick. The music group had lower NIPS score than the controls (5.6+/-1.1 vs 6.5+/-0.7, P=0.006). Among the NIPS parameters, the music group had lower scores in crying and arm (crying, 1.6+/-0.5 vs 1.9+/-0.3, P=0.028; arm, 0.3+/-0.5 vs 0.7+/-0.5, P=0.01) parameters. The remaining parameters such as facial expression, leg, breathing patterns and state of arousal, and duration of crying were not significantly different in 2 groups. CONCLUSION: c reduced pain response to needling in newborns. Music could be one of modalities to relieve pain during routine medical procedures in newborns.
Arm
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Arousal
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Crying
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Facial Expression
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Hearing*
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Heel
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Humans
;
Infant
;
Infant, Newborn*
;
Intensive Care, Neonatal
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Korea
;
Leg
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Music*
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Punctures
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Respiration
;
Video Recording
;
Videotape Recording
10.The Usefulness of Color Doppler Ultrasonography In the Evaluation of Breast Mass.
Seo Hee KIM ; Hyun Sook HONG ; Hyeok LEE ; Jong Pil YOON ; Hae Kyong LEE ; Kui Hyang KWON ; Deuk Lin CHOI
Journal of the Korean Radiological Society 1997;37(5):937-941
PURPOSE: To evaluate the usefulness of color Doppler ultrasonography in the differential diagnosis of breast masses. MATERIALS AND METHODS: We prospectively evaluated to pathologically proven breast lesions. Forty-three were benign (39 fibroadenomas, two papillomas and two lipoma) and 27 were malignant (25 infiltrating ductal cardinomas, one mucinous carinoma and one atypical medullary caricinoma). In 32 cases, we categorized color signal from 0 to III, according to the degree of vascularity, and analysed peak systolic velocity (PSV) and resistive index (RI). RESULTS: Color signals of malignant lesions tended to be high grade (II, III), whereas those of benign lesions tended to be low (0, I), and the difference was statistically significant (P<0.005). In the analysis of spectral waveform , correlation between RI, PSV and malignancy was statistically significant (P<0.02). RI above 0.7 and PSV above 10 were the highest recorded values for sensitivity and specificity. CONCLUSION: Color Doppler ultrasound is a useful modality to distinguish benign from malignant breast masses. Malignancy is suggested when the color signal is grade II or III, the resistive index is higher than 0.7, and peak systolic velocity is higher than 10cm/sec.
Breast*
;
Diagnosis, Differential
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Fibroadenoma
;
Mucins
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Papilloma
;
Prospective Studies
;
Sensitivity and Specificity
;
Ultrasonography
;
Ultrasonography, Doppler, Color*