1.Changes in Treatment After Gallium-68 Prostate-Specific Membrane Antigen-11 Positron Emission Tomography/Computed Tomography in Patients With Prostate Cancer: A Retrospective Case Series Study
Si Hyun KIM ; Chang Wook JEONG ; Minh-Tung DO ; Jang Hee HAN ; Seung-Hwan JEONG ; Hyeong Dong YUK ; Ja Hyeon KU ; Hyeon Hoe KIM ; Gi Jeong CHEON ; Cheol KWAK
Journal of Urologic Oncology 2024;22(2):157-165
		                        		
		                        			 Purpose:
		                        			The use of gallium-68 prostate-specific membrane antigen-11 positron emission tomography/computed tomography (Ga-68 PSMA-11 PET/CT) is becoming increasingly common among men with prostate cancer (PCa). However, it remains uncertain which patients will derive the most benefit, and there is a scarcity of real-world data regarding its impact on altering treatment plans. This study investigated which patients would most benefit from Ga-68 PSMA-11 PET/CT, focusing on detection rates and changes in treatment strategies, drawing from a single-center experience. 
		                        		
		                        			Materials and Methods:
		                        			In total, 230 men with PCa who underwent Ga-68 PSMA-11 PET/CT between November 2021 and August 2022 were included in this retrospective study. The patients were classified into 5 groups based on their disease status: group 1, further work-up for high-risk localized PCa; group 2, de novo metastatic PCa; group 3, biochemical recurrence after definitive treatment; group 4, castration-resistant PCa; group 5, others. The positivity rate, positive lesions, predictive value of lymph node metastases, comparison with conventional images, and treatment changes after Ga-68 PSMA-11 PET/CT were analyzed in each group. 
		                        		
		                        			Results:
		                        			Of the 230 patients, 40 (17.4%), 20 (8.7%), 77 (33.5%), 76 (33.0%), and 17 (7.4%) were classified into groups 1–5, respectively. Ga-68 PSMA-11 PET/CT showed lesions in 74.8% of patients, and the optimal cutoff value for PSA was 1.99 ng/mL. Lesions not observed on conventional imaging were found in 62 patients (33.2%). In 38 patients (13.5%), treatment was changed due to Ga-68 PSMA-11 PET/CT. 
		                        		
		                        			Conclusions
		                        			These real-world data suggest that Ga-68 PSMA-11 PET/CT may be clinically useful for various disease conditions, as substantial stage migration and subsequent treatment changes occur in men with PCa. However, the prognostic impact of this modality remains unclear; thus, a well-designed prospective study is needed to address this issue. 
		                        		
		                        		
		                        		
		                        	
2.Reconstruction of a Breast Burn Scar Using a Deep Inferior Epigastric Perforator Flap:A Case Report
Kyung Suk LEE ; Jae Bong SHIN ; Nam Gyun KIM ; Gi Cheol DO ; Min Hyung KIM ; Jun Sik KIM
Journal of Korean Burn Society 2023;26(1):17-20
		                        		
		                        			
		                        			 Burn scar construction is one of the factors that affect the patient physically and functionally. In particular, since breast burn scars greatly affect the appearance of the breast aesthetically, reconstruction can solve this problem. Therefore, we present an example of reconstruction of burns using DIEP flaps. The asymmetry of NAC (nipple areolar complex) and sagging of the shape of the breast were resolved along with the resolution of burn scar construction. 
		                        		
		                        		
		                        		
		                        	
3.Removal of Squamous Cell Carcinoma Caused by Burn Scars and Concurrent Scar Revision Surgery:Case Report
Jun Sik KIM ; Jae Bong SHIN ; Nam Gyun KIM ; Gi Cheol DO ; Min Hyung KIM ; Tae Ho KIM ; Kyung Suk LEE
Journal of Korean Burn Society 2023;26(2):58-61
		                        		
		                        			
		                        			 Even long after the initial burn injury, skin complications and inflammatory disorders resulting from burn scars remain significant challenges for patients. This is especially concerning when these complications evolve into cancer. Therefore, We have reported a case in which issues stemming from burn scar contractures and squamous cell carcinoma were simultaneously addressed, resulting in enhanced aesthetic and functional outcomes for the patient 
		                        		
		                        		
		                        		
		                        	
4.Conservative Treatment of Chemical Burns with Glacial Acetic Acid: Case Report
Jun Sik KIM ; Jae Bong SHIN ; Nam Gyun KIM ; Gi Cheol DO ; Min Hyung KIM ; Tae Ho KIM ; Kyung Suk LEE
Journal of Korean Burn Society 2023;26(2):44-47
		                        		
		                        			
		                        			 Glacial acetic acid is a highly dangerous chemical that, in recent years, has been linked to multiple adverse drug reactions in patients. Despite warnings, improper dilution of concentrated glacial acetic acid has led to severe burns and related morbidities. Therefore, We have reported a case where toes were injured due to chemical burns from glacial acetic acid, but they were successfully healed through long time conservative treatment. 
		                        		
		                        		
		                        		
		                        	
5.One-point versus two-point fixation in the management of zygoma complex fractures
Kyung Suk LEE ; Gi Cheol DO ; Jae Bong SHIN ; Min Hyung KIM ; Jun Sik KIM ; Nam Gyun KIM
Archives of Craniofacial Surgery 2022;23(4):171-177
		                        		
		                        			 Background:
		                        			The treatment of zygoma complex fractures is of crucial importance in the field of plastic surgery. However, surgical methods to correct zygoma complex fractures, including the number of fixation sites, differ among operators. Although several studies have compared two-point and three-point fixation, no comparative research has yet been conducted on one-point versus two-point fixation using computed tomography scans of surgical results. Therefore, the present study aimed to address this gap in the literature by comparing surgical results between one-point and two-point fixation procedures. 
		                        		
		                        			Methods:
		                        			In this study, we randomly selected patients to undergo surgery using one of two surgical methods. We analyzed patients with unilateral zygoma complex fractures unaccompanied by other fractures according to whether they underwent one-point fixation of the zygomaticomaxillary buttress or two-point fixation of the zygomaticomaxillary buttress and the zygomaticofrontal suture. We then made measurements at three points—the zygomaticofrontal suture, inferior orbital wall, and malar height—using 3-month postoperative computed tomography images and performed statistical analyses to compare the results of the two methods. 
		                        		
		                        			Results:
		                        			All three measurements (zygomaticofrontal suture, inferior orbital wall, and malar height) showed significant differences (p < 0.05) between one-point and two-point fixation. Highly significant differences were found for the zygomaticofrontal suture and malar height parameters. The difference in the inferior wall measurements was less meaningful, even though it also reached statistical significance. 
		                        		
		                        			Conclusion
		                        			Using three parameters in a statistical analysis of imaging findings, this study demonstrated significant differences in treatment outcomes according to the number of fixations. The results indicate that bone alignment and continuity can be achieved to a greater extent by two-point fixation instead of one-point fixation. 
		                        		
		                        		
		                        		
		                        	
6. Immunostimulatory effect of ethanol extract of Chondracanthus tenellus in RAW 264.7 macrophages in vitro
Cheol PARK ; Da KWON ; Hyesook LEE ; Su HONG ; Yung CHOI ; Da KWON ; Hyesook LEE ; Su HONG ; Yung CHOI ; Gi-Young KIM ; Hee-Jae CHA ; Do-Hyung KIM ; Suhkmann KIM ; Heui-Soo KIM ; Hye-Jin HWANG
Asian Pacific Journal of Tropical Biomedicine 2021;11(6):263-272
		                        		
		                        			
		                        			 Objective: To investigate whether ethanol extracts of Chondracanthus tenellus (EECT) could improve immunomodulatory property of murine monocyte/macrophage RAW 264.7 cells. Methods: Cell viability, phagocytic ability, and nitric oxide were measured. The levels of prostaglandin E 
		                        		
		                        		
		                        		
		                        	
7.Quality of life of patients with nasal bone fracture after closed reduction
Young Ji PARK ; Gi Cheol DO ; Gyu Hyeon KWON ; Woo Sang RYU ; Kyung Suk LEE ; Nam Gyun KIM
Archives of Craniofacial Surgery 2020;21(5):283-287
		                        		
		                        			 Background:
		                        			Closed reduction is the standard treatment for nasal bone fractures, which are the most common type of facial bone fractures. We investigated the effect of closed reduction on quality of life. 
		                        		
		                        			Methods:
		                        			The 15-dimensional health-related quality of life survey was administered to 120 patients who underwent closed reduction under general anesthesia for nasal bone fractures from February 2018 to December 2019, on both the day after surgery and 3 months after surgery. Three months postoperatively, the presence or absence of five nasal symptoms (nose obstruction, snoring, pain, nasal secretions, and aesthetic dissatisfaction) was also evaluated. 
		                        		
		                        			Results:
		                        			The quality of life items that showed significant changes between immediately after surgery and 3 months postoperatively were breathing, sleeping, speech, excretion, and discomfort. Low scores were found at 3 months for breathing, sleeping, and distress. There were 31 patients (25.83%) with nose obstruction, 25 (20.83%) with snoring, 12 (10.00%), with pain, 11 (9.17%) with nasal secretions, and 29 (24.17%) with aesthetic dissatisfaction. 
		                        		
		                        			Conclusion
		                        			Closed reduction affected patients’ quality of life, although most aspects improved significantly after 3 months. However, it was not possible to rule out deterioration of quality of life due to complications and dissatisfaction after surgery. 
		                        		
		                        		
		                        		
		                        	
8.Chronic Hepatitis B Infection Is Significantly Associated with Chronic Kidney Disease: a Population-based, Matched Case-control Study.
Sung Eun KIM ; Eun Sun JANG ; Moran KI ; Geum Youn GWAK ; Kyung Ah KIM ; Gi Ae KIM ; Do Young KIM ; Dong Joon KIM ; Man Woo KIM ; Yun Soo KIM ; Young Seok KIM ; In Hee KIM ; Chang Wook KIM ; Ho Dong KIM ; Hyung Joon KIM ; Neung Hwa PARK ; Soon Koo BAIK ; Jeong Ill SUH ; Byung Cheol SONG ; Il Han SONG ; Jong Eun YEON ; Byung Seok LEE ; Youn Jae LEE ; Young Kul JUNG ; Woo Jin CHUNG ; Sung Bum CHO ; Eun Young CHO ; Hyun Chin CHO ; Gab Jin CHEON ; Hee Bok CHAE ; DaeHee CHOI ; Sung Kyu CHOI ; Hwa Young CHOI ; Won Young TAK ; Jeong HEO ; Sook Hyang JEONG
Journal of Korean Medical Science 2018;33(42):e264-
		                        		
		                        			
		                        			BACKGROUND: Hepatitis B virus (HBV) infection leads to hepatic and extrahepatic manifestations including chronic kidney disease (CKD). However, the association between HBV and CKD is not clear. This study investigated the association between chronic HBV infection and CKD in a nationwide multicenter study. METHODS: A total of 265,086 subjects who underwent health-check examinations in 33 hospitals from January 2015 to December 2015 were enrolled. HBV surface antigen (HBsAg) positive cases (n = 10,048), and age- and gender-matched HBsAg negative controls (n = 40,192) were identified. CKD was defined as a glomerular filtration rate (GFR) < 60 mL/min/1.73 m² or proteinuria as at least grade 2+ of urine protein. RESULTS: HBsAg positive cases showed a significantly higher prevalence of GFR < 60 mL/min/1.73 m² (3.3%), and proteinuria (18.9%) than that of the controls (2.6%, P < 0.001, and 14.1%, P < 0.001, respectively). In the multivariate analysis, HBsAg positivity was an independent factor associated with GFR < 60 mL/min/1.73 m² along with age, blood levels of albumin, bilirubin, anemia, and hemoglobin A1c (HbA1c). Likewise, HBsAg positivity was an independent factor for proteinuria along with age, male, blood levels of bilirubin, protein, albumin, and HbA1c. A subgroup analysis showed that HBsAg positive men but not women had a significantly increased risk for GFR < 60 mL/min/1.73 m². CONCLUSION: Chronic HBV infection was significantly associated with a GFR < 60 mL/min/1.73 m² and proteinuria (≥ 2+). Therefore, clinical concern about CKD in chronic HBV infected patients, especially in male, is warranted.
		                        		
		                        		
		                        		
		                        			Anemia
		                        			;
		                        		
		                        			Antigens, Surface
		                        			;
		                        		
		                        			Bilirubin
		                        			;
		                        		
		                        			Case-Control Studies*
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Glomerular Filtration Rate
		                        			;
		                        		
		                        			Hepatitis B Surface Antigens
		                        			;
		                        		
		                        			Hepatitis B virus
		                        			;
		                        		
		                        			Hepatitis B, Chronic*
		                        			;
		                        		
		                        			Hepatitis, Chronic*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Multivariate Analysis
		                        			;
		                        		
		                        			Prevalence
		                        			;
		                        		
		                        			Proteinuria
		                        			;
		                        		
		                        			Renal Insufficiency, Chronic*
		                        			
		                        		
		                        	
9.Partial Superficial Parotidectomy via Retroauricular Hairline Incision.
Do Youn KIM ; Gi Cheol PARK ; Young Wook CHO ; Seung Ho CHOI
Clinical and Experimental Otorhinolaryngology 2014;7(2):119-122
		                        		
		                        			
		                        			OBJECTIVES: The purpose of this study was to evaluate the usefulness of retroauricular hair line incision (RAHI) in partial superficial parotidectomy by comparison with modified Blair incision or facelift incision. METHODS: Medical records of 73 patients with benign parotid tumor who underwent partial superficial parotidectomy were retrospectively reviewed. Size and location of tumors, operative time, occurrence of facial nerve paralysis and Frey's syndrome, and cosmetic outcomes were compared among RAHI, facelift incision (FLI), modified Blair incision (MBI) groups. RESULTS: RAHI group showed better cosmetic results than FLI group or MBI group compared with other type of incisions (P<0.001, P<0.001, respectively). Among the 3 groups, there were no significant differences of operative time and location of tumor (P=0.377), size of tumor (P>0.999), occurrence of temporary or permanent facial nerve paralysis (P=0.745) and Frey's syndrome (P=0.940). CONCLUSION: Partial superficial parotidectomy can be done safely by RAHI in most cases of benign parotid tumor. Compared with MBI or FLI, RAHI has better cosmetic outcome with no increase of operative time or postoperative complications.
		                        		
		                        		
		                        		
		                        			Facial Nerve
		                        			;
		                        		
		                        			Hair
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Medical Records
		                        			;
		                        		
		                        			Operative Time
		                        			;
		                        		
		                        			Paralysis
		                        			;
		                        		
		                        			Parotid Gland
		                        			;
		                        		
		                        			Postoperative Complications
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Rhytidoplasty
		                        			;
		                        		
		                        			Sweating, Gustatory
		                        			
		                        		
		                        	
10.Right Diaphragmatic Rupture after Blunt Trauma: Case Report.
Ki Hoon KIM ; Jin Su KIM ; Sung Jin PARK ; Woon Won KIM ; Do Kyun KANG ; Ho Gi MIN ; Yong Han KIM ; Cheol Gyu O
Journal of the Korean Society of Traumatology 2012;25(3):87-90
		                        		
		                        			
		                        			Blunt diaphragmatic rupture (BDR) is a relatively rare injury and occurs in 0.8% to 7% of all thorocoabdominal blunt trauma. Especially right diaphragmatic rupture after blunt abdominal trauma is a rarer than left. The diagnosis of BDR can be missed while evaluating the multiple trauma patient. Other severe injuries may mask BDR during the primary resuscitation and survey. We experienced two cases of traumatic rupture of right diaphragm, one diagnosed immediately and the other diagnosed delayed. In this paper we present two cases of traumatic diaphragmatic rupture.
		                        		
		                        		
		                        		
		                        			Diaphragm
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Masks
		                        			;
		                        		
		                        			Multiple Trauma
		                        			;
		                        		
		                        			Resuscitation
		                        			;
		                        		
		                        			Rupture
		                        			
		                        		
		                        	
            
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