Dermatofibrosarcoma protuberans is a rare, slowly growing, locally invasive spindle-cell tumor characterized by a protuberant cutaneous mass with a pronounced tendency to recur and by a prominent storiform histopathologic pattern'-'. We present a case of dermatofibrosarcoma protuberans with myxoid area on the chest of a 57-year-old man. The histopathological study showed a dermal tumor of uniform spindle-shaped cells with storiform pattern. Immunohistochemically, the tumor was stained positively to anti-CD34 antibody and negatively to anti-factor XIIIa antibody.
Dermatofibrosarcoma* ; Factor XIIIa ; Humans ; Middle Aged ; Thorax

PURPOSE: In this single center study, we assessed the timing of presentation of necrotizing enterocolitis (NEC) diagnosed by sonography according to the gestational age. METHODS: We retrospectively reviewed the medical records of 49 newborn patients who were diagnosed with NEC (modified Bell's stage II and higher according to abdominal sonography and simple abdominal radiography) and were admitted to the neonatal intensive care unit of St. Mary's Hospital between January 2008 and December 2012. Infants were grouped according to their gestational age (GA): Group I (GA <28 weeks), Group II (GA, 28-32 weeks), Group III (GA, 33-36 weeks), and Group IV (GA > or =37 weeks); early-onset NEC was considered when NEC developed at <14 days of age and late-onset NEC was considered when NEC developed at > or =14 days of age. RESULTS: The number of infants in each group were: Group I (n = 16), Group II (n = 20), Group III (n = 11), and Group IV (n = 2). The mean age at diagnosis of NEC was: Group I (31.6 days), Group II (15.9 days), Group III (11.0 days), and Group IV (2.0 days). Early-onset NEC developed at a mean of 5.5 days of age, whereas late-onset NEC developed at a mean of 36.1 days of age. CONCLUSION: Based on early sonographic diagnosis, infants with lower gestational ages developed NEC at a more advanced postnatal age as compared to more mature infants. However, further studies are needed to understand the etiology of this disease process.
Diagnosis ; Enterocolitis, Necrotizing* ; Epidemiology ; Gestational Age* ; Humans ; Infant ; Infant, Newborn ; Intensive Care, Neonatal ; Medical Records ; Retrospective Studies ; Ultrasonography

Primary bronchial neoplasms in children, especially malignant lesions, are extremely rare. We report a case of a 10-year old boy with intermediate-grade mucoepidermoid carcinoma of the right intermediate bronchus, presenting as collapse and bronchiectasis after pneumonia. He was diagnosed by bronchoscopic biopsy. The lobectomy was performed. The patient is in good condition 1 year after operation. All reported cases of bronchial mucoepidermoid tumors in children had histologically low or intermediate grade(well differentiated) variety with a benign clinical course. The optimal surgical therapy for bronchial mucoepidermoid tumors is identical. There must be total removal of either mass with the sacrifice of as little normal lung as possible.
Biopsy ; Bronchi* ; Bronchiectasis ; Carcinoma, Mucoepidermoid* ; Child ; Humans ; Lung ; Male ; Mucoepidermoid Tumor ; Pneumonia

Craniosynostosis is defined as the premature fusion of one or more cranial sutures resulting in skull deformity. Characteristically, this disorder can cause diverse neurosurgical problems, as well as abnormal skull shape. Intracranial hypertension, hydrocephalus, Chiari malformation and neuropsychological dysfunction are the major neurosurgical concerns in children with craniosynostosis. In this review article, we investigate pathophysiology, characteristics and proper neurosurgical management of these neurosurgical issues, respectively.
Child* ; Congenital Abnormalities ; Cranial Sutures ; Craniosynostoses* ; Humans ; Hydrocephalus ; Intracranial Hypertension ; Skull

Type II membranoproliferative glomerulonephritis (MPGN) is characterized by thickening of the glomerular basement membrane owing to electron-dense deposits on electron microscopy. We experienced a case of type II MPGN in a child presenting with proteinuria, hematuria on school urinary screening tests. He had been treated with losartan and enalapril. This is the first case report of type II MPGN detected by school urinary screening tests in Korea. Thus we report a case of 10-years-old male with type II MPGN with a review of brief literature.
Child ; Enalapril ; Glomerular Basement Membrane ; Glomerulonephritis, Membranoproliferative ; Hematuria ; Humans ; Korea ; Losartan ; Male ; Mass Screening ; Microscopy, Electron ; Proteinuria

PURPOSE: Although lipoma is known as one of the most common soft tissue tumors, calcification in lipoma is very rare in its occurrence. This calcified lipoma has been reported by some as a result of regression of lipoma, but its genesis is not clearly known yet with various opinions being discussed regarding its possible metabolic relation to hypercalcemia or hyperphosphatemia to be considered as a regression phase of lipoma. The authors would like to present this unusual case of calcified lipoma. METHODS: A 50-year-old male patient visited our hospital with complaint of an enlarging mass on his right forehead which has been acknowledged for 5 years' period. On physical examination, a mass was observed on his forehead as palpable, non-tender, mobile and firm in its consistency. Ultra sonogram examination revealed a well-demarcated mass (1.92 cm) with central echoic zone at deep layer of forehead. Mass excision and biopsy were performed subsequently. RESULTS: According to the pathological report, the diagnosis confirmed the lipoma consisting of grown-up adipocyte and calcification. Neither growing lipoma nor relapse was observed for postoperative three years' follow-up of the patient. CONCLUSION: Now that the calcified lipoma was successfully removed and cured by a simple mass excision, authors hereby report the case of calcified lipoma on forehead.
Adipocytes ; Biopsy ; Follow-Up Studies ; Forehead ; Humans ; Hypercalcemia ; Hyperphosphatemia ; Lipoma ; Male ; Middle Aged ; Physical Examination ; Recurrence

PURPOSE: Who may dare to state that optimal choice of treating nasal bone fracture is closed reduction? Few decades of authors' experience in nasal bone fracture has lead to believe that more active and assertive approach in nasal bone fracture by performing simultaneous lateral osteotomy may be applied in proper indications to acquire more accurate reduction and cosmetically satisfying result. METHODS: From May 2008 to October 2009, among 241 nasal bone fracture patients, 20 patients underwent simultaneous lateral osteotomy with nasal bone fracture reduction. Followed by rigid septal correction, nasal cavity is packed to stabilize the fracture segment for safer osteotomy. Through intranasal incision, in selected cases of difficult reduction or for cosmetic purposes, various types of lateral osteotomy was performed corresponding to the fracture anatomy, conditions of the nasal cavity. Postoperative nasal packing was retained for one week and nasal dorsum splint for 3 weeks. RESULTS: Lateral osteotomy was utilized for difficult cases of closed reduction, for correction of wide nose, hump and deviation in 9, 5, 2, and 4 cases, respectively. Patient satisfaction was scaled 90% in satisfaction and moderate in 10% (2 cases), complaining of mild nasal tip deviation. Physicians detected 2 cases of apparent deformity with patient recognition; one patient with mild step deformity at the osteotomy site and the other patient with minimal implant mobility. CONCLUSION: By accompanying profound understanding of the fracture anatomy, more active and assertive approach in nasal fracture reduction can be coincide with simultaneous lateral osteotomy to reduce the rate of secondary deformity and to obtain more cosmetically satisfying result.
Congenital Abnormalities ; Cosmetics ; Fractures, Bone ; Humans ; Nasal Bone ; Nasal Cavity ; Nose ; Osteotomy ; Patient Satisfaction ; Splints

No abstract available.
Carcinoma, Basal Cell ; Cicatrix, Hypertrophic

No abstract available.
Carcinoma, Basal Cell ; Cicatrix, Hypertrophic

PURPOSE: The purpose of this study was to present our thoughts on the medical student evaluation of the courses via online at Konkuk University School of Medicine (KUSM) and to prompt us to improve the course evaluation system. METHODS: Electronic questionnaire for computer-aided course evaluation via online was completed by 93 medical students who attended 32 block lectures at KUSM in 2007. The questionnaire consisted of 21 evaluation items. Frequency analysis of response on the evaluation items was conducted to find out the key features. RESULTS: Evaluation forms for 32 lectures were received from the attendees via online. An average response rate was 63.8%. Among 17 Likert-scaled items, more negative response was observed in class quantity, studying method guidance, lecture note, teaching methods, and relevance of final examination. CONCLUSION: The current course evaluation at KUSM includes more questions that request students to state the overall quality of course modules than the detailed quality or skill of each lecturer. As the objective of the course evaluation is to promote students' learning and to give a feedback to the lecturer, the current consideration on the course evaluation prompted us to reorganize the design of the questionnaire according to the objective.
Educational Measurement ; Electronic Mail ; Electronics ; Electrons ; Humans ; Learning ; Lectures ; Program Evaluation ; Students, Medical ; Teaching ; Surveys and Questionnaires