1.Mucinous cystadenoma of the liver with ovarian-like stroma: the need for complete resection.
Myung Hee YOON ; Ju Won YOON ; Byung Hoon HAN
Journal of the Korean Surgical Society 2011;81(Suppl 1):S51-S54
Cystadenoma of the liver is a rare neoplasm. Although many cystadenomas are asymptomatic, symptoms can include abdominal pain, postprandial epigastric discomfort, and nausea. Dramatic changes in hepatic imaging techniques have been helpful for diagnosing cystic lesions of the liver, such as simple cyst, hydatid cyst, cystadenoma, cystadenocarcinoma, and metastatic neuroendocrine tumors. However, it remains difficult to differentiate cystadenoma from cystadenocarcinoma for multiseptated cystic hepatic lesions with papillary projection on computed tomography (CT) and magnetic resonance imaging (MRI). Here we report the case of a 47-year-old woman with several months of postprandial discomfort and abdominal fullness. CT and MRI revealed multiseptated cystic lesions with papillary excrescences. A left hemihepatectomy was performed. Histology showed a benign mucinous cystic tumor with ovarian-like stroma.
Abdominal Pain
;
Cystadenocarcinoma
;
Cystadenoma
;
Cystadenoma, Mucinous
;
Cystadenoma, Papillary
;
Echinococcosis
;
Female
;
Humans
;
Liver
;
Magnetic Resonance Imaging
;
Middle Aged
;
Mucins
;
Nausea
;
Neuroendocrine Tumors
2.Arm Wrestler's Injury (Report of fourteen Cases)
Myung Sang MOON ; Doo Hoon SUN ; Han Joong KIM ; Yong IN
The Journal of the Korean Orthopaedic Association 1994;29(2):705-710
According to literatures, the different types of fractures can occur as a result of arm wrestling ; Spiral fracture of the humeral shaft associating often with a bntterfly fragment, fracture of medial epicondyle of the humerus, and the marginal radial head fracture with anterior dislocation. The last type is very rarely reported. In addition to the fracture occurrence, other injuries such as muscular strain of the arm, and sprain or luxation of the shoulder, elbow and wrist joints can be taken place. However, it is thought that the most of those injuries by arm wrestling have been treated simply by general practioners unreported. The arouse the attention of the jury of the game, wrestlers and the surgenons, the cases of bony injuries sustained during the arm-wrestling are reported. Thirteen patients were treated by us since 1977. Among them, five cases had fractures of the humeral shaft, and eight cases had fractures of medial epicondyle of the humerus. Among the five shaft fractures, three were treated by conservatively, and two by operatively. Among 8 avulsion fractures of the medial epicondyle only two were treated conservatively, and 6 operatively. One patient sustained the medial epicondylar avulsion fracture twice for which K-wire fixation treatment was done. The results of treatment were all satisfactory. However, because of the possibility of wrestlers sustaining such injuries. Arm wrestling should not be considered a totally benign sport.
Arm
;
Dislocations
;
Elbow
;
Head
;
Humans
;
Humerus
;
Shoulder
;
Sports
;
Sprains and Strains
;
Wrestling
;
Wrist Joint
3.Skin Graft and Chronic Osteomyelitis
Myung Sang MOON ; Seung Hoon LEE ; In Hyung HAN ; In Young OK
The Journal of the Korean Orthopaedic Association 1973;8(2):175-178
Authors presented the gratifying result of treatment of chronic osteomyelitis with overlying skin defect and/or poor skin condition, which developed the wide skin necrosis after saucerization and resulted the second skin graft necessary. Five cases were treated by primary extensive saucerization of tibia which left a cavity with bleeding walls. The exposed bony surface with bleeding walls was covered by delayed free skin graft when the good granulation covered the bony surface. Through this experience, delayed free skin graft is justified the best procedure in these cases to cover the post-surgical raw bone surface and to have primary healing of the bone infection. A method of hemicylindrical pedunculated skin graft to obliterate the deeply excavated surgical bony defect is introduced.
Hemorrhage
;
Methods
;
Necrosis
;
Osteomyelitis
;
Skin
;
Tibia
;
Transplants
4.Modified free wrap-around flap for thumb reconstruction.
Young Hwa CHOI ; Myung Ho HAN ; Chi Won HWANG ; Byung Hoon CHUNG
Journal of the Korean Society of Plastic and Reconstructive Surgeons 1992;19(3):476-482
No abstract available.
Thumb*
5.Mitral valve reconstruction.
Jay Won LEE ; Han Ku DO ; Taek Hee CHANG ; Sang Rok CHO ; Myung Hoon NA
The Korean Journal of Thoracic and Cardiovascular Surgery 1993;26(3):191-195
No abstract available.
Mitral Valve*
6.Usefulness and Limitation of 24 Hour Reinjection Images to Assess Myocardial Viability in Patients with Acute Myocardial Infarction.
Seok Nam YOON ; C H PARK ; Jun Han SHIN ; Myung Ho YOON ; Kyung Hoon HWANG
Korean Circulation Journal 2001;31(1):74-82
OBJECTIVE: The study was performed to evaluate whether thallium reinjection (RI) distinguishes viable from nonviable myocardium among myocardial segments which showed persistent perfusion defect (PD) in patients with acute myocardial infarction (AMI). MATERIALS AND METHODS: We studied 22 patients underwent PTCA after AMI. SPECT was performed in all patients using dipyridamole stress- 4 hour redistribution (RD) followed by 24 hour RI protocols. Dysfunctional segs were classified into 5 groups: 1) normal, 2) reversible, 3) mild to moderate PD, 4) severe PD and 5) reverse redistribution (RR). All patients underwent follow up echocardiography after 4 months to assess regional wall motion (WM) improvement such as a criteria of viable myocardium. RESULTS: A total of 127 segs with abnormal WM was analyzed. Of 74 segs with PD, 17 (23%) showed enhanced uptake after 24 hour RI. Five of 17 segs (29%) with PD that responded to RI with enhanced thallium uptake showed WM improvement. WM improvement were seen in the 24 of 57 segs (42%) not responding to RI. All four segs (100%) with RR that responded to RI showed improvement. WM improvement were not seen in the 5 of 8 segs (71%) with RR not responding to thallium RI. Eleven (73%) of 15 segs with mild-moderate PD after RI showed improvement, but 33% of segs with severe PD after RI did not showed improvement. Segs with mild-moderate PD after RI and fill in after RI showed improvement in comparison to segs with severe PD after RI(p<0.05). CONCLUSIONS: These data indicate that because only small proportion of PD showed further perfusion improvement after RI and predictive value by the uptake after RI was low, there was limited role of RI after myocardial infarction. Usefulness of RI could be found in segs showing RR responding to RI in AMI reflects viable myocardium.
Dipyridamole
;
Echocardiography
;
Follow-Up Studies
;
Humans
;
Myocardial Infarction*
;
Myocardium
;
Perfusion
;
Thallium
;
Tomography, Emission-Computed, Single-Photon
7.Proximal Femoral Geometry as Fracture Risk Factor in Female Patients with Osteoporotic Hip Fracture.
Journal of Bone Metabolism 2016;23(3):175-182
BACKGROUND: Proximal femoral geometry may be a risk factor of osteoporotic hip fractures. However, there existed great differences among studies depending on race, sex and age of subjects. The purpose of the present study is to analyze proximal femoral geometry and bone mineral density (BMD) in the osteoporotic hip fracture patients. Furthermore, we investigated proximal femoral geometric parameters affecting fractures, and whether the geometric parameters could be an independent risk factor of fractures regardless of BMD. METHODS: This study was conducted on 197 women aged 65 years or more who were hospitalized with osteoporotic hip fracture (femur neck fractures ; 84, intertrochanteric fractures; 113). Control group included 551 women who visited to check osteoporosis. Femur BMD and proximal femoral geometry for all subjects were measured using dual energy X-ray absorptiometry (DXA), and compared between the control and fracture groups. Besides, proximal femoral geometric parameters associated with fractures were statistically analyzed. RESULTS: There were statistically significant differences in the age and weight, cross-sectional area (CSA)/length/width of the femoral neck and BMD of the proximal femur between fracture group and control group. BMD of the proximal femur in the control group was higher than in the fracture group. For the femoral neck fractures group, the odds ratio (OR) for fractures decrease in the CSA and neck length (NL) of the femur increased by 1.97 times and 1.73 times respectively, regardless of BMD. The OR for fractures increase in the femoral neck width increased by 1.53 times. In the intertrochanteric fracture group, the OR for fractures increase in the femoral neck width increased by 1.45 times regardless of BMD. CONCLUSIONS: We found that an increase of the femoral neck width could be a proximal femoral geometric parameter which plays important roles as a risk factor for fracture independently of BMD.
Absorptiometry, Photon
;
Bone Density
;
Continental Population Groups
;
Female*
;
Femoral Neck Fractures
;
Femur
;
Femur Neck
;
Hip Fractures
;
Hip*
;
Humans
;
Neck
;
Odds Ratio
;
Osteoporosis
;
Risk Factors*
8.Measurement of Hemothorax Amount in Patients with Non-penetrating Chest Trauma by Supine Chest AP Radiograph.
Heon HAN ; Joo Hymn YANG ; Myung Hoon NA ; Hee Jong BAIK
Journal of the Korean Radiological Society 1994;31(4):645-650
PURPOSE: To evaluate the predictability of amount of hemothorax in the patients with blunt chest trauma, supine chest AP radiographs of 66 patients were reviewed and statistically analyzed. MATERIALS AND METHODS: In 66 patients, rib fractures were present in 53 patients, hemothorax in 46 patients, pneumothorax in 25 patients, and pulmonary contusions in 18 patients. Width and length of hemothorax were measured on supine chest AP radiograph, and were correlated with known drained amount of hemothorax. The presence and number of rib fracture, pulmonary contusion, subcutaneous emphysema, fracture of scapula and clavicle, and total opacification of hemithorax were also correlated with the drained amount of hemothorax. RESULTS: In multiple logistic regression analysis, width of hemothorax had the highest correlation with drained amount of hemothorax(regression coefficient 0.718, p value 0.00005). The presence and number of rib fracture, scapular fracture, subcutaneous emphysema were also correlated with drained amount of hemothorax. But length of hemothorax, pulmonary contusion, clavicular fracture, total opacification of hemithorax were not correlated with drained amount of hemothorax. CONCLUSION: Measured width of hemothorax in supine chest AP radiograph is the most reliable predictor for estimation of the amount of hemothorax, and may also be used as an indication for the application of closed thoracostomy in the treatment of hemothorax.
Clavicle
;
Contusions
;
Hemothorax*
;
Humans
;
Logistic Models
;
Pneumothorax
;
Rib Fractures
;
Scapula
;
Subcutaneous Emphysema
;
Thoracostomy
;
Thorax*
9.Topographic distribution, ultrastructure and synaptic organization of dopaminergic neurons in the retina of redents II. ultrastructure and synaptic organization.
Myung Hoon CHUN ; Mun Yong LEE ; Seung Ho HAN ; Su Ja OH ; Jin Woong CHUNG
Korean Journal of Anatomy 1992;25(2):168-178
No abstract available.
Dopaminergic Neurons*
;
Retina*
10.A Clinical Study of Buoy Flap
Myung Chul YOO ; Duke Whan CHUNG ; Jung Soo HAN ; Jae Sung AHN ; Kyoung Hoon KIM
The Journal of the Korean Orthopaedic Association 1987;22(5):1157-1165
Buoy flap was useful method for soft tissue defect, bone defect or bone and soft tissue defect. Also the buoy flap could use monitoring for blood flow. The advantages of the buoy flap were long length of perforating cutaneous branch, large diameter of Peroneal vessel, transposition in same leg and the another advantage was that the fibula is the long, straight and mainly cortical bone. To obtain successful result of buoy flap, one must have the anatomic concept for vascular pattern (straight branch, proximal oblique branch, branch from muscular branch, distal oblique branch), relationships with surrounding muscles (between Peroneus m. and Soleus m., Through Peroneus m., through Soleus m.) and length of perforating branch. So, we studied total 19 person, 22 cases of buoy flap, who were admitted and took the operation at Kyung Hee University College hospital, from October 1985 to March 1987.
Clinical Study
;
Fibula
;
Humans
;
Leg
;
Methods
;
Muscles