1.Transrectal Ulterasonographic Parameters Prediciting Acute Urinary Retention in BPH.
Jeong Yoon KANG ; Moon Soo PARK ; Sang Eun LEE
Korean Journal of Urology 2000;41(12):1485-1489
No abstract available.
Urinary Retention*
2.Two Cases of Recurrent Extramammary Paget's Disease after Wide Local Excision.
Sang Jun LEE ; Min Ja JUNG ; Yoon Whoa CHO ; Jee Yoon HAN ; Jeong Rye KIM
Korean Journal of Dermatology 1997;35(3):561-565
We report two cases of recurrent extramarnmary Pagets disease after wide local excision. Both cases involved the scrotum and the penoserotal junction, respectively. On histopathological examination, we could observed many Paget cells confined to the epidermis and the hair follicle, but not invading the underlying dermis in both cases. There was no evidence of internal malignancy. Both cases were treated with wide local reexcision.
Dermis
;
Epidermis
;
Hair Follicle
;
Paget Disease, Extramammary*
;
Scrotum
3.Intrathecal Endothelin-1 Reduced the MAC of Isoflurane in the Rat.
Chang Young JEONG ; Woong Mo IM ; Myung Ha YOON ; Sang Do HAN ; Sung Wook JEONG
Korean Journal of Anesthesiology 1997;33(2):215-221
BACKGROUND: Recent evidences suggest that anesthetic action within the spinal cord is important in suppressing somatic responses to painful stimuli. Intrathecal endothelin-1 (ET-1) is known to have antinociceptive effect. The purpose of this experiment was to determine whether intrathecal ET-1 may influence the minimum alveolar concentration (MAC) of isoflurane in rats and access the role of the spinal cord as the sites of anesthetic action in blocking somatic responsiveness. METHODS: In Sprague-Dawley rats fitted with an indwelling intrathecal catheter, we determined the MAC of isoflurane using a tail-clamp technique as a painful stimulus, combined with end-tidal anesthetic sampling. In experiment 1, the control MAC was determined and changes of control MAC were observed after intrathecal ET-1 (4x10-2 nmol, 4x10-3 nmol) administration. In experiment 2, we observed the effects of L or N type Ca++ channel blocker such as verapamil (50 g) or W-conotoxin (0.5 g) on the MAC after measurement of the control MAC. In experiment 3, after measurement of the control MAC, ET-1 (10-2 nmol) was administered intrathecally and the MAC was determined again. Next, intrathecal verapamil (50 g) or W-conotoxin (0.5 g) was injected. After that, the MAC was determined again. RESULTS: In experiment 1, ET-1 decreased the MAC of isoflurane and its effect was sustained over 2 hours. In experiment 2, the MAC, determined following administration of verapamil or W-conotoxin, was not different from that of the control. In experiment 3, the MAC was decreased after ET-1 administration and then increased following injection of verapamil or W-conotoxin. CONCLUSIONS: These results suggested that ET-1, in relation to calcium, might play an important role in determining the MAC of isoflurane in the spinal cord.
Animals
;
Calcium
;
Catheters
;
Endothelin-1*
;
Isoflurane*
;
Rats*
;
Rats, Sprague-Dawley
;
Spinal Cord
;
Verapamil
4.Function of bcl-X proteins in Nitric Oxide-induced Apoptosis in RAW 264.7 Macrophages.
Sang Gi PAIK ; Young Sang KIM ; Joo Young IM ; Jeong Heon YOON
Korean Journal of Immunology 1999;21(3):229-236
LPS and IFN-r induce nitric oxide synthase in macrophages and the resultant NO causes apoptotic cell death in the activated macrophages. NO production and apoptosis were inhibited by N-monomethyl L-arginine (NMMA), a competitive inhibitor of NO synthase. To study the role of BCL-X proteins, RAW 264.7 cells were transfected with the expression vectors with human bcl-Xl or bcl-Xs cDNAs, respectively. Stable transfectants were selected and confirmed by RT-PCR. NO production in response to LPS and IFN-r caused apoptosis in RAW 264.7 cells and vector transfected control cells within 24 hr. Both NO production and apoptosis were inhibited by N(G)-monomethyl L-arginine (NMMA). In contrast, bcl-Xs transfectant appeared slightly susceptible and bcl-X(L)< transfectant appeared slightly resistant, although NO production was similar to control cells. These results suggest that bcl-X proteins play roles in both positive and negative regulation of apoptosis induced by NO.
Apoptosis*
;
Arginine
;
bcl-X Protein*
;
Cell Death
;
DNA, Complementary
;
Humans
;
Macrophages*
;
Nitric Oxide
;
Nitric Oxide Synthase
5.A Case of Leiomyoma in the Female Urethra.
Sang Jai JEONG ; Jin Han YOON ; Jong Byung YOON
Korean Journal of Urology 1983;24(1):155-157
Leiomyoma of the urethra is a rare entity. We experienced a case of leiomyoma in the female urethra recently. Twenty-eight-year-old multiparous woman admitted to the Department of Urology, Busan National University Hospital with the chief complaint of a painless mass on the anterior lip of the external urethral meatus. The mass was easily removed by electroresection. It was an ovoid mass, 3.0 x 2.0 x 2.0 cm in size, and was firm and well-encapsulated. Histologically it was confirmed as a benign leiomyoma.
Busan
;
Female*
;
Humans
;
Leiomyoma*
;
Lip
;
Urethra*
;
Urology
6.Spinal Intradural Schwannoma with Torsion: A Case Report
So Jeong LEE ; Sang Yoon KIM ; Young Jin KIM ; Kyeong-Wook YOON
Journal of the Korean Radiological Society 2020;81(6):1466-1471
Intradural schwannoma accompanied with torsion is rare. Intradural lumbar schwannoma was found in a 63-year-old man presenting with right sacral pain radiating to the lower extremity. This mass showed minimal enhancement on MRI. The tumor's location changed each time on MRI and CT-myelography. The patient underwent surgical resection and the cauda equina, linked to this schwannoma, was severely twisted.
7.Spinal Intradural Schwannoma with Torsion: A Case Report
So Jeong LEE ; Sang Yoon KIM ; Young Jin KIM ; Kyeong-Wook YOON
Journal of the Korean Radiological Society 2020;81(6):1466-1471
Intradural schwannoma accompanied with torsion is rare. Intradural lumbar schwannoma was found in a 63-year-old man presenting with right sacral pain radiating to the lower extremity. This mass showed minimal enhancement on MRI. The tumor's location changed each time on MRI and CT-myelography. The patient underwent surgical resection and the cauda equina, linked to this schwannoma, was severely twisted.
8.Characteristics of methicillin-resistant staphylococcus aureus isolates from various clinical materials.
Yoon Jeong DOH ; Sang Nae CHO ; Yunsop CHONG ; Samuel Y LEE
Korean Journal of Clinical Pathology 1991;11(2):425-434
No abstract available.
Methicillin Resistance*
;
Methicillin-Resistant Staphylococcus aureus*
9.Long-Term Visual Outcomes and Prognostic Factors for Successful Idiopathic Macular Hole.
Sang Jeong MOON ; Jae Hoon KANG ; Hee Seong YOON
Journal of the Korean Ophthalmological Society 2011;52(10):1195-1201
PURPOSE: To investigate long-term visual outcomes and prognostic factors to predict visual outcomes in patients with anatomic success after macular hole surgery. METHODS: Medical records of 36 eyes with successfully repaired stage 3 or 4 idiopathic macular hole and with at least 24 months of follow-up were reviewed. Hole height, stage of macular hole, base diameter, minimum diameter, hole form factor, macular hole index, and hole closure type were measured or calculated, and the correlations of visual outcomes with variables of preoperative optical coherence tomography (OCT) were analyzed. RESULTS: The patients were classified into 3 groups according to the time period necessary to achieve the best corrective visual acuity. The visual acuity of 16 eyes (44.4%) recovered in a mean of 6 months, 13 eyes (36.1%) improved slowly and continuously, and 7 eyes had no improvement despite successful anatomical closure. There were no statistical differences in hole height, base diameter, minimum diameter, hole form factor, macular hole index, or closure type among the 3 groups. CONCLUSIONS: The improvement in visual acuity after successful macular hole surgery persisted at the 24-month follow-up and after. There were no correlations between delayed visual acuity after macular hole surgery and minimum diameter, base diameter, hole height, hole form factor, macular hole index, or closure type.
Eye
;
Follow-Up Studies
;
Humans
;
Medical Records
;
Retinal Perforations
;
Tomography, Optical Coherence
;
Visual Acuity
10.Internal Urethrotomy in the Management of Urethral Stricture II. Direct visual internal urethrotomy.
Sang Jai JEONG ; Jong Byung YOON
Korean Journal of Urology 1983;24(5):855-860
Under the direct endoscopic manipulation, 15 internal urethrotomies in 14 cases with urethral stricture were applied at our department from March to August, 1983. Following results were obtained: 1. The cause of 14 cases hospitalized, were injury in 13 cases and tuberculosis in one. The sites of urethral stricture were anterior urethra in 8 cases and posterior urethra in 6. The managements before applying direct visual internal urethrotomy were dilatation in 1 case having tuberculous urethral stricture and initial cystostomy just after in 13 cases. In 3 cases of them, Otis internal urethrotomy and urethroplasty had performed in one previously. 2. The length of urethral stricture estimate on preoperative retrograde urethrogram was less than 0.5cm in 3 cases, 0.6 to 1.0 cm in 5, 1.1 to 2.0 cm in 2, and 2.1 to 3.0 cm in 4, all of them were less than 3.0 cm. 3. The periods of catheter indwelling postoperatively were less than 3 days in 6 cases, 4 to 7 days in 7 and more than 8 days in only one, predominantly less than 7 days in 13. 4. The maximum flow rates were excellent or improved postoperatively. Voiding cystourethrogram was more valuable than retrograde urethrogram in urethral stricture. 5. Epididymitis in 1 case and urethral bleeding in 2 as postoperative complications were present. These results implied that the visual internal urethrotomy was a valuable method as the management before deciding to perform urethroplasty.
Catheters
;
Cystostomy
;
Dilatation
;
Epididymitis
;
Hemorrhage
;
Male
;
Postoperative Complications
;
Tuberculosis
;
Urethra
;
Urethral Stricture*