Three-dimensional solid model has not been widely used in surgical prediction of orthognathic surgery because freque from occlusal restorations or prosthesis limited the usefulness of simulated surgery involving occlusion. We prepared three-dimensional(3D) solid model from CT data and integrated the 3D solid model with dental cast using a face-bow transfer technique combined with skeletal reference measurement and confirmation with cephalometric radiographs. With this simple and easy method, it was possible to predict bony interference between the proximal and distal segment of the mandible so that we can prevent condylar displacement after sagittal split ramus osteotomy of the mandible with prominent asymmetry. The method error was within 2mm and it seemed to be useful in preoperative planning for maxillofacial surgery with maxillo-mandibular occlusal change
Mandible* ; Orthognathic Surgery* ; Osteotomy, Sagittal Split Ramus ; Prostheses and Implants ; Surgery, Oral

No abstract available.
Osteoporosis* ; Radionuclide Imaging*

PURPOSE: This study was performed to investigate the effect of desmopressin on nocturia in patients with irritative symptom who do not respond effectively to first line therapy, such as benign prostatic hyperplasia(BPH) medication(alpha-blocker and finasteride), antimuscarinics or calcium antagonist. MATERIALS AND METHODS: Patients had been treated for unresolved severe nocturia(<3 times per night) in spite of first-line therapy for more than 3 months. Additional medication of desmopressin was recommended to the patients with unresolved nocturia in spite of first line therapy. According to clinical diagnosis, the patients were classified into three groups: Group I of male with BPH, Group II of male without BPH and Group III of female. The response to each first-line therapy and desmopressin treatment was estimated by the number of nocturia and quality of life. Additionally, before and after desmopressin treatment, voiding diary and urodynamic study were evaluated, respectively. RESULTS: A total of 79 patients were enrolled in this study. Severe nocturia patients unresolved to 1st line therapy were improved after combination therapy of 1st line therapy with desmopressin. In 66(83.5%) of the total 78 patients, the number of nocturia was significantly reduced to less than 3 after combination therapy. According to groups, the number of nocturia was significantly reduced to less than 3 in 84.8% of Group I(n=46), 71.4% of Group II(n=21), and 100% of Group III(n=12), respectively. CONCLUSIONS: Combination therapy with desmopressin effectively reduced nocturia in patients with unresolved severe nocturia in spite of first line treatment. We recommend combination therapy of desmopressin with first line treatment for unresolved severe nocturia in adults. Long term efficacy and adverse effects should be assessed for the generalized use of desmopressin.
Adult* ; Calcium ; Deamino Arginine Vasopressin* ; Diagnosis ; Female ; Humans ; Male ; Muscarinic Antagonists ; Nocturia* ; Prostatic Hyperplasia ; Quality of Life ; Urination Disorders ; Urodynamics

Anesthesia, Local ; Cautery ; Epistaxis ; Hemorrhage ; Hemostasis ; Humans ; Ligation

BACKGROUND: The esthetic and functional outcomes of periorbital defect reconstruction are very important because of the complex anatomy and specialized functions of this region. The orbicularis oculi myocutaneous (OOMC) flap is useful for the reconstruction of periorbital defects. But, according to the location and depth of the defects, the reconstruction using OMC flaps with various techniques is rare. The authors have used various kinds of OOMC flaps in various situations and we present an analysis of our experiences. METHODS: From November 2001 to July 2017, we used 36 OOMC flaps to reconstruct 30 periorbital defects in 25 patients. We analyzed the cause of the defect, its location, the type of concomitant surgery, the method of flap movement, and complications. RESULTS: Of the 30 defects, basal cell carcinoma was the most common cause, accounting for 20 cases. When the used OOMC flap was classified according to the location of the defects, the switch flap was used in nine cases among 15 defects of lower eyelid, and the V-Y advancement flap was mainly used for other parts. As surgical methods according to the depth of defect were classified, all cases involving the tarsal plate were reconstructed with a composite graft. In case of skin and muscles, they were reconstructed only with OOMC flap or with full-thickness skin graft. CONCLUSION: The OOMC flap provides good skin quality that is very similar to that of the defect tissue. Depending on the location and depth of the defect, the OOMC flap may be used properly in a variety of ways to achieve good results.
Carcinoma, Basal Cell ; Eyelids ; Humans ; Methods ; Muscles ; Myocutaneous Flap* ; Skin ; Surgical Flaps ; Transplants

Purpose: Although the prevalence of a discoid lateral meniscus is relatively rare, estimated at approximately 0.4% to 5.0% in the Western world, studies have shown that the incidence is significantly higher in Asia, particularly in South Korea and Japan, ranging from 10.5% to 16.6%. On the other hand, previous studies that reported the incidence of discoid lateral meniscus mainly relied on patients who underwent arthroscopic or open surgery. This study examined the incidence of discoid lateral meniscus using a magnetic resonance imaging-based diagnostic approach. Materials and Methods: This study conducted a retrospective review of the prevalence of discoid lateral meniscus in 10,810 male patients with knee pain who underwent magnetic resonance imaging at the author’s single institution between January 2013 and January 2023. The mean age of the patients was 42.55±15.93 years old (range: 12 to 82). The patient demographics, including age, were analyzed.The characteristics of the discoid lateral meniscus were also analyzed, including the subtype and presence of a combined lateral meniscus tear. Results: This study identified 1,025 patients (9.5%) with a discoid lateral meniscus, including 129 with the complete subtype, 893 with the incomplete subtype, and 3 with the Wrisberg-type subtype. Although there was no significant difference in prevalence between sexes, the highest diagnosis rate of discoid lateral meniscus was observed in the 41–60-year-old (10.1%) age group, which was statistically significant (p=0.025). Among the 164 patients with a concurrent lateral meniscus tear, the horizontal type (80 patients, 48.8%) was the most frequently observed. Conclusion While the incidence in the present study was slightly lower than that reported in previous arthroscopic-based studies, the findings still suggest a relatively high prevalence of discoid lateral meniscus in Korea compared to other countries. In contrast to earlier research that suggested a decline in incidence with age, this study found that the incidence of discoid lateral meniscus was highest among individuals aged 41–60 years.

Purpose: Although the prevalence of a discoid lateral meniscus is relatively rare, estimated at approximately 0.4% to 5.0% in the Western world, studies have shown that the incidence is significantly higher in Asia, particularly in South Korea and Japan, ranging from 10.5% to 16.6%. On the other hand, previous studies that reported the incidence of discoid lateral meniscus mainly relied on patients who underwent arthroscopic or open surgery. This study examined the incidence of discoid lateral meniscus using a magnetic resonance imaging-based diagnostic approach. Materials and Methods: This study conducted a retrospective review of the prevalence of discoid lateral meniscus in 10,810 male patients with knee pain who underwent magnetic resonance imaging at the author’s single institution between January 2013 and January 2023. The mean age of the patients was 42.55±15.93 years old (range: 12 to 82). The patient demographics, including age, were analyzed.The characteristics of the discoid lateral meniscus were also analyzed, including the subtype and presence of a combined lateral meniscus tear. Results: This study identified 1,025 patients (9.5%) with a discoid lateral meniscus, including 129 with the complete subtype, 893 with the incomplete subtype, and 3 with the Wrisberg-type subtype. Although there was no significant difference in prevalence between sexes, the highest diagnosis rate of discoid lateral meniscus was observed in the 41–60-year-old (10.1%) age group, which was statistically significant (p=0.025). Among the 164 patients with a concurrent lateral meniscus tear, the horizontal type (80 patients, 48.8%) was the most frequently observed. Conclusion While the incidence in the present study was slightly lower than that reported in previous arthroscopic-based studies, the findings still suggest a relatively high prevalence of discoid lateral meniscus in Korea compared to other countries. In contrast to earlier research that suggested a decline in incidence with age, this study found that the incidence of discoid lateral meniscus was highest among individuals aged 41–60 years.

Purpose: Although the prevalence of a discoid lateral meniscus is relatively rare, estimated at approximately 0.4% to 5.0% in the Western world, studies have shown that the incidence is significantly higher in Asia, particularly in South Korea and Japan, ranging from 10.5% to 16.6%. On the other hand, previous studies that reported the incidence of discoid lateral meniscus mainly relied on patients who underwent arthroscopic or open surgery. This study examined the incidence of discoid lateral meniscus using a magnetic resonance imaging-based diagnostic approach. Materials and Methods: This study conducted a retrospective review of the prevalence of discoid lateral meniscus in 10,810 male patients with knee pain who underwent magnetic resonance imaging at the author’s single institution between January 2013 and January 2023. The mean age of the patients was 42.55±15.93 years old (range: 12 to 82). The patient demographics, including age, were analyzed.The characteristics of the discoid lateral meniscus were also analyzed, including the subtype and presence of a combined lateral meniscus tear. Results: This study identified 1,025 patients (9.5%) with a discoid lateral meniscus, including 129 with the complete subtype, 893 with the incomplete subtype, and 3 with the Wrisberg-type subtype. Although there was no significant difference in prevalence between sexes, the highest diagnosis rate of discoid lateral meniscus was observed in the 41–60-year-old (10.1%) age group, which was statistically significant (p=0.025). Among the 164 patients with a concurrent lateral meniscus tear, the horizontal type (80 patients, 48.8%) was the most frequently observed. Conclusion While the incidence in the present study was slightly lower than that reported in previous arthroscopic-based studies, the findings still suggest a relatively high prevalence of discoid lateral meniscus in Korea compared to other countries. In contrast to earlier research that suggested a decline in incidence with age, this study found that the incidence of discoid lateral meniscus was highest among individuals aged 41–60 years.

No abstract available.
Fibroma ; Maxilla

Polycythemia is a condition in which the red blood cell count is increased due to an inherited or acquired mutation, a physiologic response to hypoxia, autonomous erythropoietin production, or deliberate erythropoietin administration. Higher testosterone levels appear to act as a stimulus for erythropoiesis and testosterone replacement therapies have rarely been reported as causes of polycythemia. We report here a case of a 51-year-old man with polycythemia that was caused by long-acting testosterone undecanoate (Nebido(R)).
Anoxia ; Erythrocyte Count ; Erythropoiesis ; Erythropoietin ; Humans ; Middle Aged ; Polycythemia ; Testosterone