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최홍용,이종진 대한비뇨의학회 2004 Investigative and Clinical Urology Vol.45 No.11
The etiology of the primary(congenital) lymphedema is as an unknown abnormal development of the subcutaneous lymphatic tissue itself. Lymphedema is expressed at different ages, and may be sporadic or inherited. Congenital lymphedema are rarely isolated to the external genitalia, but rather have lower extremity involvement. Isolated congenital lymphedema of the external genitalia is also extremely rare; to our knowledge, there has been no case report in the Korean literature. Our experienced case was that of a 17 year old male patient, who was treated surgically (scrotal reconstruction), with a relatively good result. (Korean J Urol 2004;45: 1174-1177)
최홍용,노충희,최희석 인제대학교 1986 仁濟醫學 Vol.7 No.3
A case of horseshoe kidney associated with bilateral renal stones and variation of the renal vessel was presented with a brief review of the literatures. The patient was managed by ureterolithotomy and ureteroureterostomy because UPJ was compressed with aberrant renal vein. The result was good.
최홍용 ( Hong Yong Choi ),이종진 ( Jong Jin Lee ) 대한외상학회 2004 大韓外傷學會誌 Vol.17 No.1
Background: We reviewed our experience in managing partial urethral rupture patients with immediate indwelling of the urethral catheter. Patients and Methods: Between January 1996 and December 2002 a total of 32 consecutive male patients with partial urethral rupture were reviewed retrospectively, including a clinical and radiographic of the retrograde urethrography. The average patient age was 50.6 years (14-87 years). The mechanisms of injury were represented by the blunt perineal trauma with straddle injury in 23 patients, accidental Foley catheter removal with ballooning in 5 patients, penile fracture in 3 patients and pelvic bone fracture in one patient. Results: All patients were diagnosed partial urethral rupture with retrograde urethrography and treated with immediate indwelling of the silicon urethral catheter. That were successfully performed at 1st or 2nd trial in 30 (94%) among 32 patients. There were no significant complication and average peak flow rate was 22.0ml/sec (16-30 ml/sec). Conclusion: Immediate careful indwelling of the urethral catheter was safe and effective treatment in partial urethral rupture with intact alignment.
Tumor Necrosis Factor와 Interleukin - 2가 신세포암환자의 종양침윤림프구 세포독성 활성화에 미치는 영향
이춘용,최홍용,우영남 한양대학교 의과대학 1994 한양의대 학술지 Vol.14 No.1
In an attempt to increase the potency of tumor infiltrating lymphocytes(TIL) in immunotherapy, the effect of tumor necrosis factor(TNF) and interleukin-2(IL-2) were investigated in vitro on proliferation and cytotoxic effect of TIL to the vatious kinds of tumor lines and fresh frozen tumor cells from renal cell carcinoma patient. The dosage of TNF was 500 unit/ml and IL-2 was 1000 Cetus unit/ml. The cytotoxicity of TIL was checked with 4 hour Chromium release cytotoxicity of TIL was checked with 4 hour Chromium release cytotoxicity assay and its proliferatio was checked by {³H} thymidine uptake assay. For the target cell of the TIL cytotoxicity was used M-14(melanoma cell line) as a lymphokine activated killer(LAK) cell sensitive cell line for investigation of LAK activity and K562(erythroleukemic cell line) for investigation of natural killer(NK) cell activity. To investigate the specific cytotoxicity on renal cell carcinoma, autologous tumor cell line was used as the autologous target. To investigate the non specific cytotoxicity on renal cell carcinoma, allogeneic fresh frozen renal carcinoma cells and renal cell carcinoma cell line(444) were used as the allogeneic target cells. The proliferation effect of TIL, treated with IL-2 at 20th day of culture was 11486±591 cpm and 23871±1069 cpm with combination of TNF and IL-2. The nonspectific cytotoxicity of TIL for the 444 at 20th day of culture was 8.2 LU in IL-2 only and 19.0 LU with combination of TNF and IL-2. The cytotoicity of TIL for the K562 at 20th day of culture was 37.3 LU in IL-2 only and 60.4 LU with combination of TNF and IL-2. These result suggest that the combination of TNF and IL-2 has a synergistic effect on proliferation and nonspectific cytotoxicity of TIL at 20th day of culture in vitro. THese results bear important practical implication for clinical trials of TIL in adoptive immunotherapy for metastatic renal cell carcinoma.
이수완,최홍용,노충희,최희석 인제대학교 1986 仁濟醫學 Vol.7 No.4
The term adenomatoid tumor was applied by Golden and Ash to certain Small, circumscribed, benign vision of the genital tract in recognition of their somewhat adenomators structure. Adenomatoid tumors are generally found in the epididymis, tunica vaginalis or spermatic cord in the male and fallopian tube, uterus, ovary in the female. But most the tumors are found near or in epididymis. The histogenesis of the adenomatoid tumor has been controversial. But the possibility of an origin from mesothelium are considered recently. Adenomatoid tumors are usual solid, asymptomatic neoplasm, its size are less then 2 cm usually. Histogically the tumor consists of tubular and gland pattern lined with cuboidal or flattened cell and a fibrous stroma. Recently we experienced a painful adenomatoid tumor of epididymis after trauma.