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RISS 인기검색어
- 검색키워드
- 저자 : 천기성 (검색결과 6 건)
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천기성 대한영상의학회 1985 대한영상의학회지 Vol.21 No.4
The majority of injections intended to be intramuscular are actually delivered into fat in the area of the buttock in most of the patients having a thick gluteal fat layer. Injections of some drugs can cause tissue necrosis that ensues in scar formation and often in dystrophic calcification giving rise to ring-like densities in antero-posterior radiograhs of the pelvis. We studied the incidence and characteristics of calcifications in the buttocks frequently noted in pelvic radiographs and whether they have any realtionship with thickness and distribution pattern of the fat layer in the buttocks. Pelvic radiograms of 220 consecutive patients (110 males and 110 females) with the age ranging from 16 to 76 years (average 39) were reviewed. The area of buttock was divided arbitrarily into four quadrants by the vertical line crossing the center of the head of each femur and the horizontal line connecting the summit of each femoral head, and the upper outer quadrant was further divi ed into four quadrants(Fig. 1). We measured the thickness of the extraperitoneal fat layer at the level where it cross the iliac crest bilaterally. The results were as follows: 1. Thirty out of 220 cases (14%) showed calcifications in the buttock. 2. Calcifications in the buttock were much more frequent in female than in male (P<0.01). 3. The incidence of calcifications increased with age (P<0.01) and with increase in fat layer thickness(P<0.01). 4. Calcifications in the buttock were mostly located at the upper outer quadrant of the buttock(78%). 5. In conclusion, we assume that calcifications in the buttock are result of fat necrosis after injection into fat instead of muscle.
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천기성 대한영상의학회 1989 대한영상의학회지 Vol.25 No.4
Hepatic cyst seldom becomes symptomatic but occasionally the cyst becomes large enough to be symptomatic. Aspiration alone has not been effective in preventing recurrence and surgical correction submits the patient to considerable morbidity. There have been a few reports of the symptomatic hepatic cysts successfully aspirated and treated with alcohol. We report a case of the huge symptomatic hepatic cyst successfully treated with absolute ethanol.
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천기성 대한영상의학회 1989 대한영상의학회지 Vol.25 No.2
In order to establish differential features of hemangioma lipiodol was superselectively infused in three cases of hepatic hemangioma through the proper or a distal branch hepatic artery following hepatic angioram. Thereafter a plain x-ray of the abdomen and CT were obtained, The present study revealed accumulationof lipiodol within abnormal vascular spaces of hemangioma to be multiple stippled dense and discrete, Follow-up plain abdomen and CT(6 months 8 months and 9 months respectively) demonstrated very slow clearing of lipiodol accumulation without change in size. These findings are considered to be pathognomonic of hemangioma.
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갑상선스캔상에서 갑상선섭취율의 추정방법 : 타액선 - 갑상선계수율
김종우,양우진,정수교,박용휘,천기성 대한핵의학회 1987 핵의학 분자영상 Vol.21 No.2
Tota1114 patients were studied prospectively with radioiodine uptake (RAIU) and (99m)^TcO₄ thyroid scan to design a very simpte, rapid and inexpensive method measuring the thyroid uptake on thyroid scan. After the RAIU was obtained at 24 hours after P.O. of (131)^I, Thyroid scan was perforrned at 20 minutes after I.V. of (99m)^Tc0₄ and the bilateral salivary glands were included in the scan field. Pinhole collimated and computer assisted gamma camera was used. Three regions of interest were set on each salivary gland and on the thyroid by automatic edge detection method. Mean counts per pixel were calculated for each ROI and the salivary-thyroid rativ(STR) was defined as; STR (%)= Mean counts per pixel of salivary glands (KC)/Mean counts per pixel of thyroid gland (KC)*100 114 cases consisted of 41 normal, 55 hyperthyroid and 18 hypothyroid patients and correlation between the STR and the RAIU were evaluated in total and each group. The STR and the RAIV showed reverse linear regression in 114 cases (r=-0.8, P=O) and closer correlation was showed in hyperthyroid group (r=-0.9, P=0). Mean STR in normal group was 47.6%. In predicting the RAIU by STR, sensitivity and specificity were 88.3% and 64.9% in 114 cases and 95.3% and 83.3% in hyperthyroid group. It is recommended that the STR be used in place of the RAIU giving same information at saving time, money and radiation exposure.
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