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Joo-Young Ohe,Baek-Soo Lee,Yeo-Gab Kim,Yong-dae Kwon,Byung-jun Choi,Young-Ran Kim 대한구강악안면외과학회 2009 대한구강악안면외과학회지 Vol.35 No.3
Out of all oral malignant tumor, malignant lymphoma occurs in only 3.5%. Especially, most of the primary malignant lymphomas, which occur in the head & neck region are high-grade diffuse large B-cell lymphoma and mucosa-associated lymphoid tissue (MALT) marginal zone B-cell lymphoma is very rare. In the head & neck region, malignant lymphoma is reported to occur in the thyroid, salivary gland, trachea, larynx, orbital lobe and the Waldeyer’s ring. Among the Waldeyer’s ring, palatal tonsil is reported to be the most common region, but, only 1 case report was published in Korea. Until now, there were no case reports of MALT lymphoma that occurred in the tongue. The purpose of this case report is to report and discuss on a case of MALT lymphoma of the tongue.
Kim, Young-Joo,Kim, Ju-Dong,Ryu, Hye-In,Cho, Yeon-Hee,Kong, Jun-Ha,Ohe, Joo-Young,Kwon, Yong-Dae,Choi, Byung-Joon,Kim, Gyu-Tae Korean Academy of Oral and Maxillofacial Radiology 2011 Imaging Science in Dentistry Vol.41 No.4
The advent and wide use of antibiotics have decreased the incidence of deep neck infection. When a deep neck infection does occur, however, it can be the cause of significant morbidity and death, resulting in airway obstruction, mediastinitis, pericarditis, epidural abscesses, and major vessel erosion. In our clinic, a patient with diffuse chronic osteomyelitis of mandible and fascial space abscess and necrotic fasciitis due to odontogenic infection at the time of first visit came. We successfully treated the patient by early diagnosis using contrast-enhanced CT and follow up dressing through the appropriate use of radiographic images.
Bisphosphonate-related osteonecrosis of the jaw의 병리조직학적 소견 및 방사선학적 특징에 대한 임상적 고찰
오주영(Joo-Young Ohe),권용대(Yong-Dae Kwon),김여갑(Yeo-Gab Kim),이백수(Baek-Soo Lee),윤병욱(Byoung-Wook Yoon),최병준(Byoung-Jun Choi) 대한구강악안면외과학회 2008 대한구강악안면외과학회지 Vol.34 No.5
Bisphosphonates (BPs) are a class of agent used to treat patient with osteoporosis or malignant bone metastases. BPs can be categorized into 2 groups: nitrogen-containing and non-nitrogen containing. Nitrogen-containing BPs are considered to have more toxicity. Despite their clinical benefits, bisphosphonate-related osteonecrosis of jaw(BRONJ) is a significant complication to patients receveing these drugs. Since the first description of BRONJ in 2003 by Marx, the number of reports on BRONJ has been rapidly increasing. BRONJ is considered as an emerging problem in oral & maxillofacial surgery. Generally, osteonecrosis in the maxilla is rare, however BRONJ is found both in the maxilla and the mandible. This is an important feature of BRONJ compared to common infectious osteomyelitis of the jaw. Growing number of case reports, suggest that bisphosphonate therapy may cause exposed, necrotic bone. BRONJ has simillar features compared to IORN (infected osteoradionecrosis). BRONJ has meaningful features established through the interestigation on histopathologic and radiographic findings. These features have an impact on treatment plan and prognosis. This presentation contemplates on features of histopathologic and radiographic findings in bisphosphonate-related osteonecrosis of the jaw.
전치부 분절골절단술과 통상적인 교정 치료의 치근 흡수에 대한 비교 및 고찰
오주영 ( Joo-young Ohe ) 경희대학교 경희의료원 2018 慶熙醫學 Vol.33 No.1
Patients undergoing orthodontic treatment are more likely to have apical root shortening. Many literatures showed the etiologic factors were complex and multifactorial. It appears that external apical root resorption results from a combination of patient-related risk factors such as previous history of root resorption, genetic influences and systemic factors and orthodontic treatment-related factors like treatment duration, magnitude of applied force, direction of tooth movement, amount of apical displacement, method of force application, type of appliance, treatment technique and so on. We could encounter the patients having the short teeth root and the poor periosteum in a case that much maxillary setback be needed, such as bimaxillary protrusion or skeletal class II. The anterior segmental osteotomy (ASO) has been known that this could complement the possibility of external apical root resorption and buffer the periodontal problems, so it could be the choice of treatment. But the studies about the efficacy of ASO in aspects of preserving the root are deficient. So in this study, we compared the amount of root resorption after orthodontic procedure between patients group who had been taken a conventional orthodontic and patients group in whom ASO had been included in orthodontic treatment procedure.
오주영 ( Joo-young Ohe ),심규조 ( Kyu-jo Shim ) 경희대학교 경희의료원 2021 慶熙醫學 Vol.36 No.1
The orthognathic surgical procedures are performed for the correction of abnormalities of the facial skeleton that are present from the birth or arise during growth or acquired secondarily during lifetime. We would prefer to summarize some commonly used techniques to correct the dentofacial deformities. Even we have described all these techniques at their popular time with our orthodontist colleagues; skeletal anchor systems, some basic interdental osteotomies, or complex mechanics that are applying orthopedic corrective forces are currently being used by the orthodontists rather than surgeons. Le Fort I osteotomy in maxilla and Bilateral sagittal split ramus osteotomies (BSSRO) in mandible are commonly used techniques to solve the deformity problems of the facial skeleton; therefore, the scope of this paper is going to be including my personal experience and some technical details with Le Fort I and SSRO.
Treatment and Rehabilitation of Repetitively Recurrent Langerhans Cell Histiocytosis: A Case Report
Yoo, Hee Young,Park, Kyung Soo,Lee, Baek Soo,Kwon, Yong Dae,Choi, Byung Joon,Ohe, Joo Young,Lee, Jung Woo Korean Academy of Dental Science 2016 Journal of korean dental science Vol.9 No.1
Langerhans cell histiocytosis (LCH) is characterized by proliferation of histiocyte-like cells (Langerhans cell histiocytes) with characteristic Birbeck granules, accompanied by other inflammatory cells. Treatments of LCH include surgery, chemotherapy, and radiotherapy. One of the representative forms of chemotherapy is intralesional injection of steroids. Surgical treatment in the form of simple excision, curettage, or even ostectomy can be performed depending on the extent of involvement. Radiotherapy is suggested in case of local recurrence, or a widespread lesion. This article shows the case of repetitively recurrent LCH of a 56-year-old man who had been through surgical excision and had to have marginal mandibulectomy and radiotherapy when the disease recurred. After the first recurrence occurred, lesions involved the extensive part of the mandible causing pathologic fracture, so partial mandibular bone resection was performed from the right molar area to the left molar area followed by the excision of the surrounding infected soft tissues. The resected mandibular bone was reconstructed with a segment of fibula osteomyocutaneous free flap and overdenture prosthesis supported by osseointegrated implants.
Seok-Mo Lee,Young-Hoon Kim,Seungjin Cha,Minah Kim,Joo-Young Ohe 대한치과이식임플란트학회 2021 The Korean Academy of Implant Dentistry Vol.40 No.4
An antrolith, a calcified mass within the maxillary sinus, is sometimes misdiagnosed as a tooth, a foreign body, or a septa in the maxillary sinus. Small antroliths are usually asymptomatic, while large antroliths may result in sinusitis with pain and discharge. A 28-year-old female patient without any clinical symptoms visited our department for the evaluation and removal of a tooth-like mass located in the left maxillary sinus before an implantation treatment. Radiographic evaluation showed a calcified mass of size 0.7x0.4 cm located in the posterior region of the left maxillary sinus. We compared the size of the calcified mass to a tooth for differential diagnosis. During the surgery, we used a piezoelectric device to minimize the damage to the bone. The mass was successfully removed, and the excised specimen was diagnosed as an antrolith. After repairing the perforated membrane, sinus graft was performed. Six months after the operation, an implant was successfully placed in the left second molar area. For implantation treatment, it is necessary to examine the radiopaque lesion thoroughly by using cone beam computed tomography (CBCT). In conclusion, a surgeon needs to understand the anatomic variations and lesions of the maxillary sinus pre-operatively to make the approrpiate choice of surgical instruments.