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이열,박기순,정수영,배상훈,Lee, Yul,Park, Ki-Soon,Chung, Soo-Young,Bae, Sang-Hoon 대한영상의학회 1993 대한영상의학회지 Vol.29 No.2
To evaluate the normal range of articular disk postion, MRIs of 25 temporomandibular joints (TMJs) in 19 asymptomatic volunteers wre analysed. On the closed mouth sagittal T1 weighted MRI the junction of the posterior band and bilaminar zone was within 10$^{\circ}$anterior from the vertical line through the apex of condylar head in 19(76%) and within 20$^{\circ}$in 23(92%) TMJs. The intermediate zone of the articular disk was located between the posterior surfance of articular eminence and the anterior surface of condylar head in 22(88%) RMJs. We suggest that on the closed mouth sagittal MRI the junction of the posterior vand and the bilaminar zone could be within 10$^{\circ}$ anterior from the vertical lilne through the apex of condylar head in asymptomatic Korean persons. If the junction is located more than 20$^{\circ}$anterior from the vertical line or the intermediate zone is anterior to the anterior surface of condylar head it is suggested that the disk is anteriorly displaced. Further studies are needed to evaluate the clinical significance of mild anterior displacement of the articular disk (11$^{\circ}$-20$^{\circ}$) in asymptomatic persons.
이열,전석철,임정기,박재형,김주완,Lee, Yul,Jeon, Suk-Chul,Lim, Jeong-Ki,Park, Jae-Hyung,Kim, Chu-Wan 대한영상의학회 1983 대한영상의학회지 Vol.19 No.2
The chest X-ray findings of 20 cases of pulmonary opportunistic infections were analyzed according to causative agents. The results were as follows : 1. Final diagnoses of 20 cases of opportunistic infections were tuberculosis in 6 cases, pneumocystis carinii pneumonia in 5 cases, bacterial infection in 7 cases, and fungal infection in 2 cases. 2. The underlying diseases were leukmia in 6 cases, kidney transplantation in 6 cases, lymphoma in 3 cases, nephrotic syndrome in 1 case, nasopharyngeal cancer in 1 case, multiple myeloma in 1 case, agranulocytosis in 1 case, and hypogammaglobulinemia in 1 case. 3. In tuberculosis, all the 6 cases showed severe maniferstations such as miliary tuberculosis, tuberculous pneumonia, moderately advanced tuberculosis and tuberculous pericarditis. 4. In pneumocystis carinii pneumonia, the most frequent findings were bilateral alveolar densities and peripheral field of the lung was saved in most cases. 5. In 2 cases of fungal infections bilateral multiple cavitary nodules were noted. 6. In cases of bacterial infection there were more cases of gram negative infection than gram positive and 2 cases of pseudomonas revealed bilateral multiple cavitary nodules.
이열,박재형,연경모,한만청,Lee, Yul,Park, Jae-Hyung,Yeon, Kyung-Mo,Han, Man-Chung 대한영상의학회 1984 대한영상의학회지 Vol.20 No.1
We obtained the following results by reviewing the radiographic findings of 15 cases of Sinus Valsava rupture who were diagnosed surgically at Seoul National University Hospital sined 1979. 1. Among distribution was from 15 years to 40 years with the mean age of 24 years. Among the 15 cases, 9 cases were male and 7 were female. 2. Ruptured sinus is right coronary sinus projecting to right ventricle in all 15 cases. Combined diseases are ventricular septal defect in 12 cases, Aortic Calcular heart disease in 4 cases, and narrowing of right ventricular outflow tract in 2 cases, and aneurysmal dilatation of right pulmonary artery in 1 case. 3. Chest X-ray findings were that of left to right shunt, i.e cardiomegaly, increased pulmonary vascularity but were normal in 3 cases. 4. Aortography showed sequential leakage of dye from right coronary sinus to right ventricle and finally to pulmonary artery in 9 cases, and in 9 cases of them the leakage is directly to right ventricular outflow tract without filling of sinus portion of them leakage is directly to right venricular outflow tract without filling of sinus portion of the ventricle., i.e.type 1. 5. The leakage was well shown in left ventricular diastolic phases and not shown in systolic phase. 6. Ventricular septal defects were not detected definitely in spite of taking left ventriculography. 7. Cineangiography is essential for detecting accurate site, degree and direction of sinus valsalva rupture and other associated cardiac abnormality.
두경부악성종양에서의 전산화단층촬영의 진단적 가치 -비인두업성종양을 중심으로-
이열,서창해,장기현,Lee, Yul,Suh, Chang-Hae,Chang, Kee-Hyun 대한방사선종양학회 1984 Radiation Oncology Journal Vol.2 No.1
The CT findings of 46 cases of nasopharyngeal cancer were analyzed and compared with clinical tumor staging. They are composed of 28 cases $(61\%)$ of squamous cell carcinoma, 13cases $(28\%)$ of undifferentiated carcinoma, 4 cases $(9\%)$of lymphoma and 1 case $(2\%)$ of adenoid cystic carcinoma. The results were as follows : 1. The most common CT findings of nasopharyngeal cancers are air·way asymmetry including obliteration of Rosenmuller fossa, orifice of Eustachian tube and asymmetric obliteration of parapharyngeal fat. 2. Other involved anatomic sites are carotid sheath area, oropharynx, paranasal sinuses especially sphenoid sinus, cervical lymph nodes, nasal cavity and skull base or middle cranial fossa. 3. CT does significantly influence on the tumor staging of the nasopharynx cancers, but has a definite value in evaluating deep tissue invasion of the cancers especially to parapharyngeal space or carotid sheath area. 4. CT seems to be essential for staging work-up, estimating the prognosis, and assessing the effect of radiotherapy of the nasopharyngeal cancer because it clearly shows the whole extent of the tumors including deep tissue invasion.