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발기 시 음경통증과 만곡을 동반한 원발성 음경 해면상 혈관종
손동완,정조운,김성대,김두배,김현우,조용현,김세웅 대한남성과학회 2008 The World Journal of Men's Health Vol.26 No.1
Hemangiomas result from proliferation of immature capillary vessels. This disorder in the genitourinary tract is a rare lesion. We experienced one case of a 31 years old man suffered from cavernous hemangioma of the penis shaft with painful erection. He was treated successfully with surgical excision. Herein, we report our experience and a critical review of the literature.
첫 번째 생검과 재생검에서 발견된 전립선암의 임상적 특징
손동완,정윤석,김성대,김두배,김현우,김세웅,조용현 대한남성과학회 2008 The World Journal of Men's Health Vol.26 No.1
Purpose: To determine the clinical differences between prostate cancer detected on initial biopsy and repeated biopsy Materials and Methods: Between January 2003 and December 2006, 67 patients were evaluated in this study who were diagnosed prostate cancer by transrectal ultrasound-guided biopsies and their prostate specific antigen (PSA) were below 20 ng/ml and clinical stages were less than T2. Among 67 patients, 43 patients were diagnosed at the first biopsies (group A) and others were diagnosed at the repeate biopsies (group B). We retrospectively characterized differences in clinical features such as age, digital rectal examination (DRE), prostate volume, the number of biopsy core, rate of positive core, PSA, % free PSA, Gleason score and rate of insignificant cancer. Results: There were no significant differences in age, PSA, % free PSA, rate of insignificant cancer between groups A and B. However, positive rate of DRE, prostate volume and rate of patients whose PSA were 7 ng/ml or higher in group A were significantly higher than those in group B. Despite the number of biopsy core was higher in group A, there were no differences in the number of positive biopsy core. Conclusions: Compared to the patients who were diagnosed as prostate cancer in the initial biopsies, prostate volume, positive rate of DRE and rate of Gleason score 7 or more were significantly lower in repeated biopsy group. From now on we are planning to include more patients and compare these characteristics of biopsies with the final pathological features after radical prostatectomy.
손동완,김현우,조원열,성경탁 대한비뇨의학회 2004 Investigative and Clinical Urology Vol.45 No.7
A case of seminal vesicle cysts with ipsilateral renal agenesis is uncommon. An excision of a seminal vesicle cyst was successfully performed using a transperitoneal laparoscopic approach in 27-year-old male affected by recurrent perineal discomfort and post-ejaculatory pain. The operative time and blood loss were 85 minutes and 50ml, respectively. No postoperative complications were noted, and the patient discharged on the 5th postoperative day. Laparoscopic excision of seminal vesicle cystic disease is an effective surgical procedure, with excellent intraoperative access and minimal postoperative morbidity. (Korean J Urol 2004;45:732-734)
손동완,김동홍,이두진,정관수 대한상하수도학회 2014 상하수도학회지 Vol.28 No.5
This study describes a reasonable planning method for water meter replacement which can minimize the metering under-registration for an increasement of revenue water. The increment analysis of real water usage was used to establish a replacement plan. The meter replacement database collected from K City was used as the basis of this analysis. The database included 964 connections of domestic and non-domestic consumers that had their meter replaced by aging at 2011.The result showed that the corelation between unregistered water volume and water meter age was lower than commonly expected where the current criteria of replacement is only water meter age(8 years) excluding the meters older than 13 years. And in the analysis result of water usage for 8 years, the total amount and increment of water usage had a significant effect on unregistered water volume. However the relation was different tendency as a total volume and slope of increment. In case of total water volume was larger than 10,000 , larger than 7,000 and increment of 0.0 ~ -0.3, larger than 6,000 and increment more than -0.3 were analysed to need a replacement because of metering under-registration.
혈청 전립선 특이항원 4ng/ml 이하의 군에서 전립선암의 예측인자 및 특성
손동완,변석수,이상은 대한비뇨의학회 2005 Investigative and Clinical Urology Vol.46 No.6
Purpose: We identified preoperative factors and characteristics of prostate cancer with prostate-specific antigen(PSA) levels equal to or less than 4.0ng/ml, with an elevated PSA above age reference range, abnormal transrectal ultrasonography (TRUS) or digital rectal examination(DRE). Materials and Methods: A total of 322 patients underwent 12 cores prostate biopsy guided TRUS between May 2003 and July 2004. Of these, 92 had a total PSA level of 4ng/ml or less. The indications for a biopsy were an elevated PSA above the age reference range, and an abnormal DRE and TRUS. The age, abnormalities of the DRE or TRUS, and the prostate volume, PSAD, International Prostate Symptom Score(IPSS) and maximal flow rate(Qmax) were measured, and the relationships of theses factors between the cancer and non-cancer groups evaluated. Results: Of the 92 patients with a total PSA level of 4ng/ml or less, 19 were confirmed with prostate cancer; a cancer detection rate of 20.6%. The mean ages of patients in the cancer and non-cancer groups were 70.3 and 62.0 years, respectively. The mean prostate volumes, PSA levels, IPSS and Qmax were 31.4 and 48.9ml, 3.23 and 3.17ng/ml, 19.3 and 16.3 and 15.8 and 13.9ml/sec, respectively, in the cancer and non-cancer groups. The advanced age(p<0.05) and a decreased prostate volume(p<0.05) were associated with a positive prostate biopsy. The PSA level, abnormalities of DRE or TRUS, IPSS and Qmax were not associated with a positive biopsy. Conclusions: The detection rates of prostate and insignificant cancers rate were 20.6 and 36.8%, respectively. An advanced age and a decreased prostate volume were significant predictive factors of cancer in patients with PSA level equal to or less than 4.0ng/ml, with an elevated PSA above age reference range, abnormal TRUS or DRE.