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하두희 대한영상의학회 1992 대한영상의학회지 Vol.28 No.6
The venous malformation in head and neck is a developmental vascular disease which arises from the arrest in the certain stage of vascular embryogenesis. However, the lesion extends along the fascia and has a tendancy to recur after incomplete therapy. Retrospectively, the authors reviewed radiologic studies of 20 patients diagnosed as venous malformation during the last 5 years. The diagnosis was verified by histopathology (5 patients) and direct puncture angiography (15 patients). The radiologic studies included. CT with intravenous contrast injection (20 patients), RI angiography with 99m Tc-pyrophosphate (6 patients), and direct puncture angiography (15 patients). Multiplicity of venous malformation was noted in 9 patients. On CT scan, the lesions had lobulated irregular shape, with heterogeneous appearance, showed delayed enhancing characteristics, and had the phleboliths (21 lesions). The venous malformations were located at the masticator space (including masseter muscl ) (n=12), retrobulbar space (n=6), submandibular space (n=4), paravertebral space (n=3) and so on. In two cases, the lesions were very extensive involving entire neck and parapharynx. On RI angiography using 99mTc-pyrophosphate, all of the lesions showed persistent and delayed uptake. With direct punture angiography the lesions could be classified as acinar pattern (n=17) and mixed pattern (acinar and saccular) (n=2). Venous connections were noted in 10 lesions. In conclusion, if a soft tissue mass on head and neck shows a heterogeneous attenuation density with or without calcified persistent uptake, venous malformation can be suspected. Finally direct puncture angiography can verify the nature and extent of the lesion.
김형태,김경수,정은미,하두희,홍창권,안창수,권건호,박진찬 대한신장학회 2000 Kidney Research and Clinical Practice Vol.19 No.5
Necrotizing fasciitis is an uncommon severe infection involving the subcutaneous soft tissue, particularly the superficial and often deep fascia. It is usually associated with systemic toxicity, rapid progression and a mortality rate which varies between 20 and 60%. It can affect any part of the body but is most common on the extremities, especially the leg. Predisposing factors include diabetes mellitus, alcoholism, intravenous drug abusers, abdominal surgery, perineal infection. The prognosis for necrotizing fasciitis depends so heavily on early recognition and determination of the extent of necrosis. Whilist there are reports of acute renal failure occuring in the presence of necrotizing fasciitis, descriptions of the condition in patients with chronic renal failure are rare in the literature. Hence we report a case of necrotizing fasciitis, diagnosed by MRI(Magnetic Resonance Imaging) in chronic renal failure patient.
폐렴간균 간농양의 임상 및 CT 소견: 비폐렴간균 간농양과의 비교1
우영근,김만득,김현,이강문,윤상욱,김희진,하두희,이은자,Woo, Young-Geun,Kim, Man-Deuk,Kim, Hyun,Lee, Kang-Mun,Yoon, Sang-Wook,Kim, Hee-Jin,Ha, Doo-Hoe,Lee, Eun-Ja 대한영상의학회 2003 대한영상의학회지 Vol.48 No.3
목적: 폐렴간균에 의한 간농양의 임상 및 CT 소견을 분석하고 다른 균주에 의한 간농양의 임상 및 CT 소견을 비교하여 감별점을 찾고자 하였다. 대상과 방법: CT 검사를 시행하고 세균학적으로 확진 된 21예의 화농성 간 농양 환자를 대상으로 클레브시엘라군과 비클레브시엘라군으로 나누어 후향적으로 분석하였다. 입원 당시 의무기록을 조사하여 당뇨 유무, 혈청 alkaline phosphatase(ALP), SGOT, SGPT등의 상승, 동반되어있는 복강 내 이상소견과의 연관성을 조사하였다. CT 상에서는 농양강의 단일성 (single) 혹은 다발성 (multiple), 다강 연속성/비연속성 여부 (multiple contiguous/ discontiguous), 공동의 생성모양에 따라 단방성 (uniloculated)혹은 다방성 (multiloculated), 농양강내 가스 형성, 주위 간 실질 및 테두리 조영증강 여부를 알아보았다. 통계분석은 Fisher ’s exact test를 사용하였다. 결과: 21예 중 11예에서 폐렴간균 (Klebsiella pneumoniae)이 동정 되었고 Pseudomonas (n=3) E. coli(n=2), Enterococus(n=2), Gram positive cocci (n=2), polymicrobial (n=1)순이었다. 당뇨병이 클레브시엘라군에 더 많았고 (n=7,p=0.024). 담도 질환이 동반되어 있던 경우는 비클레브시엘라군에서 총 5명이었으며 클레브시엘라군에서는 한명도 없었다 (p=0.012). 단일강(n=10,p=0.047), 다방성(n=8, p<0.01)은 클레브시엘라군에서 많이 발견되었고, 간주위 조영증강 (n=7)은 비클레브시엘라군에서 자주 관찰되었다(p<0.01). 결론: 폐렴 간균이 화농성 간농양의 주 감염균이고 이는 특히, 당뇨가 있는 환자에서 많이 발견되었으며 특징적인 CT 소견은 단일, 다방성 농양을 보이며 동반되는 담도 질환이 드물고 농양주위 간 실질 조영증강이 잘되지 않는다는 점이다. Purpose: To analyse the clinical features and CT findings of pyogenic liver abscess due to Klebsiella pneumoniae, and to compare the findings with those of cases in which abscesses were caused by other pathogens. Materials and Methods: Twenty-one cases of pyogenic liver abscess were assigned to either the Klebsiella or the non-Klebsiella group, and the patients' past medical history and intra-abdominal abnormalities such as calculus or malignancy were reviewed. Laboratory data such as alkaline phosphatase (ALP), SGOT and SGPT levels were analyzed, and on the basis of the CT findings, decisions were reached as to (a) whether abscesses were single or multiple, multiple contiguous or discontiguous, uniloculated or multiloculated; and (b) the presence or absence of gas, hepatic parenchymal enhancement, peripheral rim enhancement, and extrahepatic abnormality. For statistical analysis, Fisher's exact test was used. Results: Among 21 abscesses, Klebsiella pneumoniae was the most common pathogen (n=11). The others were Pseudomonas (n=3), E.coli (n=2), Enterococcus (n=2), G. (+) cocci (n=2) and Polymicrobial (n=1). Diabetes mellitus was more common among patients in the Klebsiella group, among whom a multiloculated single cavity was a frequent finding. Five patients in the non-Klebsiella group experienced biliary tract obstruction, which was not demonstrated in the Klebsiella group. Hepatic parenchymal enhancement was more common in the non-Klebsiella group. Conclusion: In cases of pyogenic liver disease, especially where diabates mellitus is involved, Klebsiella pneumoniae is a major pathogen. Significant CT findings of Klebsiella liver abscess included a multiloculated single cavity, rare biliary tract obstruction, and little hepatic parenchymal enhancement.
원판형 연골판의 절제술 시술 전 자기 공명 영상 소견을 이용한 절제 폭의 결정
신동배(Dong Bae Shin),이영수(Young Soo Lee),박수진(Soo Jin Park),김진용(Jin Yong Kim),성영제(Young Jea Sung),하두희(Du Hae Ha) 대한슬관절학회 2001 대한슬관절학회지 Vol.13 No.1
symptomatic discoid meniseus of the knee by determining the needed resection margin(partial or total) from the schematic diagram of degeneration and tear which is based on pre-operative MRI. Materials and Methods: We analyzed the findings of MRI and operation retrospectively for 32 knees. At first, we designed authors own schematic diagram of discoid meniscus and divided it into 6?6 block. The radiologists draw the pattern of degeneration and tear on diagram from pre-operative MRI and the orthopedic surgeons draw the status of degeneration, tear and remaining meniscus after meniscetomy by retrospective analysis of video documentation. Two diagrams were compared for analysis. Results: We had used morselization technique to save meniscus as much as possible on doing meniscetomy. The resected margin of cases were as follows; 9 cases were partial, 21 cases were subtotal and 2 cases were total meniscetomy. But in this study, 19 cases were requested total resection margin on pre-op MRI evaluation. Among these 19 cases, 17 cases of partial or subtotal meniscetomized were reviewed again on video documentation to determine the remained meniscus would be removed completely or not. In 13 of 17 cases, remaining menisci have advanced horizontal tear and rims were not stable that would be rather cases of total meniscetomy. Conclusion: Use of diagram of degeneration and tear on the basis of pre-op MRI would be valuable guide to determine appropriate resection margin and moreover the technique of the meniscetomy in the treatment of symptomatic discoid meniscus.