• Journal of Chest Surgery
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• v.40 no.7 s.276
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• pp.508-511
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• 2007

The causes of aortic dissection are usually hypertension, connective tissue disease such as Marfan syndrome, congenital valvular abnormality such as bicuspid aortic valve, iatrogenic injury, pregnancy and drugs. Previous studies have shown that 50% of all dissections in women less than 40 years age were associated with pregnancy. Almost all aortic dissections during pregnancy occur during the third trimester or during labor and delivery. Marfan's syndrome is a particularly important predisposing factor for aortic dissection during pregnancy. We report here on a case of surgical treatment for acute type II aortic dissection in a Marfan syndrome patient who was 24 weeks pregnant, and we include a review of literature.

• Journal of Dental Rehabilitation and Applied Science
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• v.24 no.2
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• pp.183-192
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• 2008

Modern dental reconstructions do not only aim at restoring the patient's mastication, but rather at improving general well-being and quality of life, especially in terms of esthetics. The media, the internet, advertising, and many other facts of society contribute to an increased cosmetic awareness. A 35-year-old male patient presented with as follows: 1) the porcelain fracture of ceramo-metal restoration on #11 and #23, 2) the inclination of incisal plane to horizontal reference plane, 3) the dental midline deviation to facial midline, and 4) the lack of symmetry on upper anterior dentition. The patient requested an aesthetic improvement using fixed prosthodontics including implant-supported restorations. In the upper anterior region, one of the goals of the conventional as well as implant prosthesis is to achieve restorations with the dental attractiveness and beauty in the respect of dental, dentofacial, and facial compositions. This case report presents geometrically improvement of dental esthetics using conventional and implant prosthesis with soft and hard tissue augmentation.

• Journal of the korean academy of Pediatric Dentistry
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• v.36 no.3
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• pp.475-480
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• 2009

An infraoccluded tooth is a tooth that has failed to erupt to be in line with adjacent teeth in the vertical plane of occlusion. Multiple complications can occur as a result of an infraoccluded tooth. Tipping of neighboring teeth, loss of space opposing teeth elongation, increased susceptibility to dental caries and abnormal eruption path, impaction and rotation of permanent successor are the consequences of infraocclusion of primary molar. Therefore, early diagnosis and treatment is the key to prevent the complications. Treatment options can be periodic follow-up, temporary restoration or extraction of the infraoccluded tooth depending on the presence of the successor, the extent of infraocclusion and the extent of tilting of the neighboring teeth. The infraoccluded primary molars with permanent successors present tend to exfoliate normally. However, failure to do periodic check up of the infraoccluded teeth may lead to serious complications. In these cases, surgical extractions are often necessary after space regaining and space maintainers should be placed until the eruption of the permanent successors are completed.

• Journal of Chest Surgery
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• v.34 no.7
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• pp.539-546
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• 2001

Background: Pulmonary complications in immunocompromised patients are often fatal. Empirical treatment is usually applied based on the clinical and radiological findings because of the risk of the aggressive diagnostic procedures such as open lung biopsy. However, recent advancements in operative procedures and perioperative management has decreased the procedure-related risks. We have prospectively analyzed the risks and benefits of the early application of open lung biopsy in such patients. Material and Method: Forty-two consecutive immunocompromised patients with critical pulmonary complications were included from June, 1996 to December, 1999. The definition of the immunocompromised is as those with chemotherapy and/or other modality for hematologic disorders, with usage of immunosuppressive drug after transplantation, with usage of steroid for more than 1 month, and with primary immunodeficiency disorders. The indication of open lung biopsy was those with no significant improvement after a week of aggressive application of empirical treatment or with rapidly aggressive process. The underlying disease included hematologic disorder(31 patients), post-transplantation(3 patients), chemotherapy for solid tumor(2 patients), and others(6 patients). Operations were done through thoracotomy(conventional or mini-) or VATS.

• Journal of Chest Surgery
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• v.43 no.2
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• pp.221-223
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• 2010

Bronchogenic cysts are usually located in the pulmonary parenchyma or in the mediastinum. When bronchogenic cysts are located in the mediastinum, they are usually near the bronchus or esophagus, and rarely located in the retroperitoneal space. It is difficult to differentiate between bronchogenic cysts and benign cysts prior to surgert. We report here on a patient for who had a mass in the retroperitoneum, with the preoperative diagnosis being a benign neurogenic tumor. Via left open thoracotomy, pathologic reports revealed that the mass was a bronchogenic cyst. We report here on the case of a bronchogenic cyst that was located in the retroperitoneal space of the diaphragm.

• Journal of Chest Surgery
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• v.41 no.4
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• pp.536-539
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• 2008

We present a case with a foreign body in the left pulmonary artery, found in a traffic accident victim. A 52-year-old woman sitting in the passenger side of a car had massive bleeding and near complete amputation of her right forearm in addition to multiple rib fractures and a hemopneumothorax. At arrival to the emergency room, the patient had signs of shock; she was anemic, drowsy and hypotensive. A large volume of blood and crystalloid fluids were administered via the left subclavian vein with a rapid infusion device (Level $1^{(R)}$). As the lung contusion improved, a foreign body was noticed in the left lung field on plain x-rays. Pulmonary angiography was performed and revealed a 15 cm foreign body in the left basal segment of the common pulmonary artery. The foreign body was successfully retrieved using vascular forceps via the percutaneous femoral vein approach.

• The Journal of the Korean dental association
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• v.52 no.10
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• pp.623-632
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• 2014

The facial asymmetries include maxillary, mandibular, and chin asymmetries, although the most common deformity is primarily in the mandible. Common causes of this type of asymmetry can include asymmetric growth of the condyle or the mandible. In these patients, the location of the Me would be deviated to the shorter side because of the asymmetric growth of the mandible, and, commonly, the maxillary occlusal plane would be tilted toward the deviated side because the maxilla likely grows asymmetrically according to the pattern of asymmetric mandibular growth. Three-dimensional CT images are ideal for evaluating the size and location of anatomic structures, and such reconstructed images allow the use of software that can show anatomic structures from numerous angles, allowing actual measurements of distances and angles without problems of magnification, distortion, or superimposition caused by 2-dimensional imaging. In the present study using 3D-CT imaging, the 8 parameters, including measurements of the upper midline deviation, maxillary canting in the canine and first molar regions, width of the upper arch, width of the mandible at the Go, vertical length of the ramus, inclination of the ramus, and deviation of the Me were easily measured. The dentition should be orthodontically decompensated and dental midline should ensure incisor midlines positioned in the midline of each jaw before surgical correction. Surgical correction could be considered such as canting or yawing correction in the frontal or horizontal aspect, respectively.

• Journal of Chest Surgery
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• v.38 no.7 s.252
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• pp.518-521
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• 2005

Pneumothorax associated with thoracic endometriosis is a rare clinical entity and it is called catamenial pneumothorax if the recurrence of pneumothorax is related to the period of menstruation. Several hypotheses about its pathogenesis are suggested including spontaneous rupture of the bulla, endometrial implants of the visceral pleura, and passage of air from the genital tract through endometrial fenestration of the diaphragm. Pneumothorax is associated with chest pain and dyspnea within 72 hours of the onset of menses in young women and developed usually at right side. We report a case of 32-year-old woman who had bilateral pneumothorax and thoracic endometriosis confirmed histopathologically in the visceral pleura by thoracotomy.

• Journal of Chest Surgery
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• v.36 no.4
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• pp.280-284
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• 2003

Creation of an axillary arteriovenous fistula (AVF) was performed in two patients with high risks of Fontan operation after a cavopulmonary shunt. The patients complained of progressive cyanosis and decrease in exercise tolerance, and they showed pulmonary arteriovenous fistula on the pulmonary angiography. They were uneventfully transferred to the general ward on the first postoperative day and discharged 3 and 4 days after the operation respectively. There was no evidence of fistula-related volume loading and the other post-operative complications. An 8-month follow-up revealed improved symptoms such as, cyanosis and exercise intolerance, but not sufficient regression of pulmonary arteriovenous fistula on a lung perfusion scan and contrast echocardiography, which should be carefully checked hereafter.

• Journal of Chest Surgery
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• v.30 no.1
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• pp.88-91
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• 1997

Congenital long-segment tracheal stenosis with complex cardiac anomaly has generally been regarded as a fatal disease This report described the successful concomitant repair of unexpected congenital tracheal stenosis and complex cardiac anomaly with the use of edrdiopulmonary bypass. The patient was a 3-month-old girl with coarctation of aorta, V D, and PDA. The presence of tracheal stenosis was not discovered until when difficulty with endotracheal intubation was encountered at operating room. Thus, we decided concomitant repair of both lesions and performed anterior pericardial tracheoplasty combined with one stage repair of coarctation of aorta, VSD, and PDA under the cardiopulmonary bypass. The patient is doing well without any signs of complication at present, 2 years and 1 month after the operation.