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權七薰,金世景 고려대학교 의과대학 1986 고려대 의대 잡지 Vol.23 No.1
With development and continued refinement of computed tomography and ultrasonography, considerable advances have been made in the field of diagnostic imaging. Computed tomography and ultrasonography usually provide accurate localization of pathologic processes of genitourinary tract and frequently contribute information regarding the nature of the process. The areas which were previously "blind" to conventional. radiography such as the retroperitoneum and pararenal spaces are now clearly imaged with computed tomography and ultrasomgraphy. The effect on the diagnostic as well as the therapeutic process is seen in daily urologic practice. Treatment planning and patient management can be more efficiently determined using information obtained by computed tomography and ultrasonography. Further percutaneous biopsy, puncture of cyst or nephrostomy placement can often save precious time in the seriously ill patient. Computed tomography is more expensive than ultrasonography but seems to show the precise anatomic details of the genitourinary tract in a cross sectional fashion. A revieiw of 59 patients, with suspected genitourinary pathology, studied with computed tomography and ultrasoiiography performed in the view of the diagnostic accuracy of these methods. 1. Staging of renal cancer with CT (computed tomography) was correct in 6 out of 7 patients who underwent radical nephrecxomy. 2. CT staging of renal pelvic cancer was correct in 2 out of 3 operated patients. 3. In evaluating renal mass, sonographic diagnosis was correct in 14 of 16 patients, and CT made correct diagnosis in 2,; of 21 patients. 4. CT and ultrassriograchy were excellent in evaluation of renal injury, in most cases however CT showed the site and extent of injury, extravasation of urine and perirenal hematoma more accurately. 5. Staging of bladder cancer with CT was correct in 4 of 5 patients, failing to differentiate stage A from B, to detect regional lymph node involvement in a patient. 6. CT was useful in detecting lymph node involvement of prostatic carcinoma, testicular cancer and penile carcinoma. 7. CT was informative in evaluating impalpable undescended testis, and more adequate if reduced the slice thickness.
導尿에 使用된 Foley Catheter의 尖端部의 培養成績
權七薰 고려대학교 의과대학 1979 고려대 의대 잡지 Vol.16 No.1
Positive bacterial culture was obtained in 33 out of 70 cultures of the tip of used Foley catheter, performed during the period of 20 months from March 1st, 1977 to October 31, 1978 and the following results were obtained. 1. Almost twice much positive bacterial culture was obtained from the culture of used catheter tip (45.7%) compared with the urine culture taken from the same patient at the same time (24.3%). 2. Positive culture rate of the catheter tip in the group who was catheterized at operating room (32.7%) was much lower than in the group catheterized at ward (76.2%). 3. Very few positive culture was obtained from the catheter tip used in a patient who had normal urine finding previous to catheterization if this indwelling catheter removed within 72 hours. 4. The most common organism on the culture of the catheter tip was proteus sp. (9 cases), and less commonly, pseudomonas (3 cases), Enterococci (3 cases), Yeast (3 cases), E. coli (2 cases), Klebsiella (2 cases) , Alcaligenes (2 cases), Enterobact. (2 cases) and Citrobact. (2 cases) were found.