2.Usefulness of Ultrasonography in Potential Bilateral Inguinal Hernia of Children.
Journal of the Korean Association of Pediatric Surgeons 2003;9(1):35-40
Inguinal hernia is the most frequent problem requiring surgery in children. Moreover, subsequent contralateral occurrence after repair of the symptomatic unilateral inguinal hernia(UIH) is not rare. This study is to evaluate the diagnostic value of inguinal ultrasonography (IUS) for potential bilateral inguinal hernia(BIH). A prospective study was performed for preschool children less than 6 years of age who were diagnosed as UIH from July 1999 to December 2000. We selected 58 cases with potential BIH, based on the past history, such as prematurity, ventriculo-peritoneal shunt, family history of BIH, hernia on the left side (LIH), age below 2, female, and contralateral positive silk glove sign on the physical examination. Screening with IUS and bilateral surgical exploration were applied on these cases. Forty-seven cases were males (81.0%) and 11 cases were females(19.0%). Thirty-four were infants. Symptomatic right inguinal hernia (RIH) were 28 (48.3%), and LIH were 30 cases (51.7%). Six cases had no evidence of contralateral patent process vaginalis (PPV) by IUS but showed contralateral PPV by operation, Two cases were suspicious to contralateral PPV under IUS, but operative findings were negative. Fifty cases showed contralateral PPV by IUS as well as operation. The detection rate of contralateral PPV under IUS was 86.2%. The preoperative IUS may reduce contralateral exploration.
Child*
;
Child, Preschool
;
Female
;
Hernia
;
Hernia, Inguinal*
;
Humans
;
Infant
;
Male
;
Mass Screening
;
Physical Examination
;
Prospective Studies
;
Silk
;
Ultrasonography*
;
Ventriculoperitoneal Shunt
3.Validation for models for tumor recurrence after liver transplantation in hepatectomy patients
Sung Joon KIM ; Jong Man KIM ; Nam-Joon YI ; Gyu-Seong CHOI ; Kwang-Woong LEE ; Kyung-Suk SUH ; Jae-Won JOH
Annals of Surgical Treatment and Research 2022;102(3):131-138
Purpose:
Early recurrence of hepatocellular carcinoma (HCC) remains a challenging issue after hepatic resection (HR) because of the associated poor prognosis. Models for tumor recurrence after liver transplantation (MoRAL) have been designed to predict tumor recurrence in HCC patients in the liver transplantation setting. This study aimed to validate the predictability of MoRAL for HCC recurrence or patient death and to evaluate the predictors of early HCC recurrence in hepatectomy patients with treatment-naïve solitary HCC.
Methods:
This study included 443 patients with HCC recurrence after HR from January 2005 to December 2011. Patients were stratified into early recurrence (n = 312) and late recurrence (n = 131) groups according to the development of recurrence either within or more than 2 years after hepatectomy.
Results:
The median levels of alpha-fetoprotein and protein induced by vitamin K absence-II and the median MoRAL score were significantly higher in the early recurrence group than in the late recurrence group. Regarding pathologic characteristics, the median tumor size, prevalence of tumor grade 3 or 4, microvascular invasion, presence of tumor necrosis, and macrovascular invasion in the early recurrence group were greater than those in the late recurrence group.Multivariate analysis showed that tumor grade 3 or 4, microvascular invasion, and high preoperative MoRAL score were predisposing factors for early HCC recurrence after HR.
Conclusion
The MoRAL score can be used to predict early recurrence in patients with HCC who undergo curative HR.Using this model, other treatments could be considered for patients with early recurrence predicted after HR.
4.The Usefulness of MR Angiography in Acute Ischemic Stroke (Pilot Study for Multiple Analyses of Cause and Prognosis of Ischemic Stroke).
Eun Mi PARK ; Kyoung Gyu CHOI ; Hyang Woon LEE ; Shin Yi HWANG ; Joon Shik MOON ; Kee Duk PARK ; Hae Young CHOI
Journal of the Korean Neurological Association 1996;14(2):351-358
BACKGROUND AND OBJECTIVES: To evaluate the brain MR angiography(MRA) as a tool of diagnosis and follow up study in acute ischemic stroke. METHODS: We reviewed 90 patients of acute ischemic stroke who received thrombolytic therapy and underwent brain MRI with MRA from September 1994 to July 1995. They were divided into two groups according to carotid system and vertebrobasilar system and then positive MRA findings were defined as stenosis or occlusion of vessels in relation with MRI lesions. RESULTS: The positive MRA was shown more than 80% in large arteries and lower than 23% in small arteries. And also the MRA was shown the degree stenosis and underlying vessel abnormalities but could not precisely analyze the degree of improvement of vascular patency in this study. CONCLUSIONS: The MRA as a routine method addition to the MRI provides relatively reliable and noninvasive screening test and provides information that can be more complete evaluation and prognosis in patients of acute ischemic stroke.
Angiography*
;
Arteries
;
Brain
;
Constriction, Pathologic
;
Diagnosis
;
Follow-Up Studies
;
Humans
;
Magnetic Resonance Imaging
;
Mass Screening
;
Prognosis*
;
Stroke*
;
Thrombolytic Therapy
;
Vascular Patency
5.An Engineering View on Megatrends in Radiology: Digitization to Quantitative Tools of Medicine.
Namkug KIM ; Jaesoon CHOI ; Jaeyoun YI ; Seungwook CHOI ; Seyoun PARK ; Yongjun CHANG ; Joon Beom SEO
Korean Journal of Radiology 2013;14(2):139-153
Within six months of the discovery of X-ray in 1895, the technology was used to scan the interior of the human body, paving the way for many innovations in the field of medicine, including an ultrasound device in 1950, a CT scanner in 1972, and MRI in 1980. More recent decades have witnessed developments such as digital imaging using a picture archiving and communication system, computer-aided detection/diagnosis, organ-specific workstations, and molecular, functional, and quantitative imaging. One of the latest technical breakthrough in the field of radiology has been imaging genomics and robotic interventions for biopsy and theragnosis. This review provides an engineering perspective on these developments and several other megatrends in radiology.
Biological Markers/analysis
;
Biomedical Engineering
;
Diagnosis, Computer-Assisted/*trends
;
Diagnostic Imaging/*trends
;
Equipment Design
;
Genomics
;
Humans
;
Image Processing, Computer-Assisted/*trends
;
Radiology Information Systems/*trends
;
Robotics
;
Systems Integration
;
User-Computer Interface
6.The Role of Intraoperative Choledochoscopy for Diagnosis and Treatment in Biliary Surgery.
Seog Ki MIN ; Ho Seong HAN ; Young Woo KIM ; Nam Joon YI ; Yong Man CHOI
Journal of the Korean Surgical Society 2002;62(4):327-333
PURPOSE: A choledochoscopy is useful for treating stone disease in the biliary tract. In the era of laparoscopic surgery, this method is expected to be used more widely. Its use during surgery may not only aid disease treatment, but may also help in making a differential diagnosis and a decision on the appropriate operative method. The aim of this study was to determine the role of intraoperative choledochoscopy in biliary surgery. METHODS: This study was a prospective analysis for 119 cases of biliary surgery where a choledochoscopy was used at the Ewha Womans University Mokdong Hospital from June, 1999 to February, 2001. An attempt was made to determine if the use of choledochoscopy altered the preoperative diagnosis, added another diagnosis and influenced the surgical treatment. In addition, the frequency of the remnant stones in biliary stone disease, and the complications related with this procedure were evaluated. RESULTS: The male to female ratio was 1:1.53, and the mean age was 61.1 (+/-14.53) years. A choledochoscopy was used in 82 cases (69%) in open surgery, and 37 cases (31%) in laparoscopic surgery. In 31 cases (26.1%), the diagnosis was changed by the choledochoscopic findings. In 9 cases (7.5%), new finding that was not recognized in the preoperative state was added with the use of choledochoscopy. The surgical method was influenced by the use of a choledochoscopy in 39 cases (32.8%). The remnant stones in patients with an intrahepatic duct stone and common bile duct stone were detected in 8 cases and 3 cases, respectively. The respective clearance rate of the stones were 79.5% (31/39) and 94.5% (52/55). There was no complications and side effects associated with the use of choledochoscopy. The mean time for diagnostic use was 14.6 (+/-10.0) minutes and for therapeutic use was 47 (+/-60.4) minutes. CONCLUSION: Intraoperative choledochoscopy provided useful information for a precise diagnosis and assisted in determining the appropriate treatment for biliary disease. Furthermore, it is very important for making a differential diagnosis in patients with an undetermined malignancy.
Biliary Tract
;
Common Bile Duct
;
Diagnosis*
;
Diagnosis, Differential
;
Female
;
Humans
;
Laparoscopy
;
Male
;
Prospective Studies
7.Erratum: Psychiatric Characteristics of the Cardiac Outpatients with Chest Pain.
Jae Geun LEE ; Joon Hyouk CHOI ; Song Yi KIM ; Ki Seok KIM ; Seung Jae JOO
Korean Circulation Journal 2016;46(3):432-432
The first author's name was misspelled.
8.Comparison of Endovascular Treatments of Ruptured Dissecting Aneurysms of the Intracranial Internal Carotid Artery and Vertebral Artery with a Review of the Literature.
Hyoung Soo BYOUN ; Hyeong Joong YI ; Kyu Sun CHOI ; Hyoung Joon CHUN ; Yong KO ; Koang Hum BAK
Journal of Korean Neurosurgical Society 2016;59(5):449-457
OBJECTIVE: Subarachnoid hemorrhage (SAH) caused by rupture of an internal carotid artery (ICA) or vertebral artery (VA) dissecting aneuryesm is rare. Various treatment strategies have been used for ruptured intracranial dissections. The purpose of this study is to compare the clinical and angiographic characteristics and outcomes of endovascular treatment for ruptured dissecting aneurysms of the intracranial ICA and VA. METHODS: The authors retrospectively reviewed a series of patients with SAH caused by ruptured intracranial ICA and VA dissecting aneurysms from March 2009 to April 2014. The relevant demographic and angiographic data were collected, categorized and analyzed with respect to the outcome. RESULTS: Fifteen patients were identified (6 ICAs and 9 VAs). The percentage of patients showing unfavorable initial clinical condition and a history of hypertension was higher in the VA group. The initial aneurysm detection rate and the percentage of fusiform aneurysms were higher in the VA group. In the ICA group, all patients were treated with double stent-assisted coiling, and showed favorable outcomes. In the VA group, 2 patients were treated with double stent-assisted coiling and 7 with endovascular trapping. Two patients died and 1 patient developed severe disability. CONCLUSION: Clinically, grave initial clinical condition and hypertension were more frequent in the VA group. Angiographically, bleb-like aneurysms were more frequent in the ICA group and fusiform aneurysms were more frequent in the VA group. Endovascular treatment of these aneurysms is feasible and the result is acceptable in most instances.
Aneurysm
;
Aneurysm, Dissecting*
;
Carotid Artery, Internal*
;
Humans
;
Hypertension
;
Retrospective Studies
;
Rupture
;
Subarachnoid Hemorrhage
;
Vertebral Artery*
9.The Safety of a Laparoscopic Cholecystectomy in Acute Cholecystitis in High Risk Patients Older than Sixty.
Nam Joon YI ; Ho Seong HAN ; Young Woo KIM ; Seog Ki MIN ; Yong Man CHOI
Journal of the Korean Surgical Society 2003;64(5):396-401
PURPOSE: To evaluate the safety of a laparoscopic cholecystectomy in acute, or complicated, cholecystitis in patients older than sixty. METHODS: A prospective study was performed, at the Ewha Womans University Mokdong Hospital, on a series of elderly patients (>60 years; n=137) who had undergone a laparoscopic cholecystectomy due to acute, or complicated, cholecystitis between March 1997 and December 2001. We divided the patients into 3 groups; ASA 1 (n=33, 24.1%), ASA 2 (n=79, 57.7%) and ASA 3 (n=25, 18.3%), according to their ASA (American Society of Anesthesiologist) classification. No patient was categorized as either ASA 4, 5 or 6. RESULTS: The mean age of the ASA 3 patients was 71.9+/-6.9 years, which was older than the 65.7+/-6.0 years of the ASA 1 patients (P<0.05). The preoperative hospital stay for the ASA 3 patients was 8.8+/-5.6 days, compared to 5.6+/-3.7 days for the ASA 1 patients (P<0.05). The incidences of complicated cholecystitis were lower in the ASA 1 (n=8, 24.2%) than in both the ASA 2 (n=40, 50.6%) and 3 patients (n=12, 66.7%) (P<0.05). The mean operating times for the ASA 2 and 3 patients were longer, at 111.0+/-58.2 and 114.0+/-62.7 minutes, retrospectively, than the 85.0+/-33.1 minutes for the ASA 1 patients (P<0.05). Drain insertions were more frequently performed in the ASA 2 (n=33, 44.4%) and 3 (n=15, 60.0%) than in the ASA 1 patients (n=10, 30.3%) (P<0.05). Postoperative morbidity was more frequent in the ASA 3 (n=5, 20.0%) than ASA 1 (n=3, 9.1%) patients. However, in terms of the postoperative recovery parameters (time to diet, hospital stay), there were no difference between the three groups (P>0.05). One death, due to acute myocardial infarction, occurred in one of the ASA 3 patients. CONCLUSION: A laparoscopic cholecystectomy in acute, or complicated, cholecystitis could be an option in elderly-high risk patients.
Aged
;
Cholecystectomy, Laparoscopic*
;
Cholecystitis
;
Cholecystitis, Acute*
;
Classification
;
Diet
;
Female
;
Humans
;
Incidence
;
Length of Stay
;
Myocardial Infarction
;
Prospective Studies
;
Retrospective Studies
10.A Case of Bezafibrate-induced Myopathy.
Eun Mi PARK ; Kee Duk PARK ; Shin Yi HWANG ; Joon Shik MOON ; Kyung Gyu CHOI ; Hae Soo KOO
Journal of the Korean Neurological Association 1995;13(4):996-1000
One case of bezafibrate-induced myopathy was experienced and presente with a brief review of literatures. A 80-year-old woman with diabetes mellitus developed generalized myalgia and chest tightness 2 days before admission. The patient was treated with bezafibrate (800mg/day) for the previous 3 months. Serum creatine kinase, LDH and AST were markedly increased. Muscle biopsy revealed type 2 fiber atrophy. Withdrawal of the drug under the impression of bezafibrate-induced myopathy was followed by rapid clinical improvement.
Aged, 80 and over
;
Atrophy
;
Bezafibrate
;
Biopsy
;
Creatine Kinase
;
Diabetes Mellitus
;
Female
;
Humans
;
Muscular Diseases*
;
Myalgia
;
Thorax