• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• v.45 no.3
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• pp.129-134
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• 2019

Objectives: The objective of this study was to highlight the role of lateral arthroplasty along with interposition of the buccal fat pad (BFP) in the management of Sawhney type III temporomandibular joint (TMJ) ankylosis. Materials and Methods: Ten patients with TMJ ankylosis (7 unilateral and 3 bilateral, total of 13 joints) were treated with lateral arthroplasty and BFP interposition. The bony bridge of the ankylotic mass on the lateral aspect was resected, leaving a distance of 1.5 to 2.0 cm from the base of the skull to the neck of the condyle. The condyle was left intact. Coronoidectomy was performed on the ipsilateral side via the same approach in all cases. The inter-incisal opening was measured at that time, and if it was less than 35 mm, contralateral coronoidectomy was performed by using the intra-oral approach. After satisfactory inter-incisal mouth opening (${\geq}35mm$) was achieved, the TMJ surgical site was revisited, and BFP was retrieved and used to cover the lateral aspect of the medially placed condyle. Results: With lateral arthroplasty, the medially displaced condyle can be left in-situ to maintain the mandibular ramal height and function and to act as a growth center in children. Interposition of the BFP prevents reformation of the lateral bony bridge that was removed. Conclusion: Lateral arthroplasty along with interpositioning of the BFP is a novel technique for managing Sawhney type III ankylosis that achieves management goals while avoiding complex and advanced reconstructive surgical procedures.

• Imaging Science in Dentistry
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• v.46 no.4
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• pp.291-296
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• 2016

Adenoid cystic carcinoma (ACC) of the sublingual gland is an extremely rare neoplasm. The clinicopathological characteristics of ACC are slow-growing swelling with or without ulceration, perineural spread, local recurrence, and distant metastasis. This report describes a 58-year-old male who had a slowly growing swelling without ulceration on the right side of the mouth floor that had been present for 1 month. In a radiological examination, the mass showed multilocular cystic features and no bony or tongue muscle invasion. No enlarged cervical lymph nodes were detected. Excisional biopsy and histological analysis showed that the lesion was ACC. In addition to reporting a rare case of ACC, this report also discusses the differential diagnosis and treatment of ACC with a review of the relevant literature.

• The Journal of the Korean dental association
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• v.41 no.3 s.406
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• pp.190-196
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• 2003

Osteoblastoma is an uncommon lesion of bone that occurred in jaw bone. The etiology of the Osteoblastoma is still undiscovered. The most frequent symptom is consistent pain which is often severe, and localized swelling and bone expansion mat occur. We experienced a case of osteo-blastoma which occurred on the lingual surface of mandibular body. It resembled tours mandibularis clinically, alveolar abscess radiologically. Biopsy was done to evaluable the tours-like bony mass. The results of excisional biopsy demonstrated an osteoblastoma. The symptoms are subsided and no signs related with recurrence have been noted. Our experience and many literatures demonstrated that Osteoblastoma must be included in differential diagnosis of bone-producing lesion.

• Korean Journal of Veterinary Research
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• v.59 no.4
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• pp.219-222
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• 2019

Three 8-12-year-old male cocker spaniels presented with an appendicular mass accompanied by pain, inflammation, lameness, and loss of nail in the digits of the forelimb or hindlimb. A histological examination revealed dermal masses of the digit composed of numerous neoplastic cells with marked pleomorphism and high mitosis. The neoplastic cells showed a strong invasive tendency into the epidermis and adjacent bony tissues, such as distal phalanx. Immunohistochemistry of the neoplastic cells in three masses revealed positive reactions for Melan-A. These three dogs were diagnosed as nailbed malignant melanoma in the digit based on the history, clinical signs, and histopathologic features.

• Journal of Korean Neurosurgical Society
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• v.59 no.3
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• pp.302-305
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• 2016

Gliofibroma is an extremely rare biphasic tumor with an astrocytic and benign mesenchymal component, which commonly occurs within the first two decades of life. The exact biological behavior of the tumor is not fully understood. Therefore, it is not listed as a distinct entity in the current World Health Organization classification of central nervous system tumors. Here, we describe a rare case of gliofibroma, which was located on the medial temporal lobe in a 61-year-old woman. Preoperatively, we misdiagnosed it as a meningioma because it was a well-demarcated and well-enhanced extra-axial mass with calcification and bony destruction. On the histopathological and immunohistochemical examination, the tumor consisted of a mixture of glial tissue and mesenchymal tissue and it was finally diagnosed as a gliofibroma. To our knowledge, this case of intracranial gliofibroma is in the oldest patient ever reported.

• The Journal of the Korean dental association
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• v.19 no.4 s.143
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• pp.369-373
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• 1981

This is a case of 25-year-old Korean female with a diagnosis of ossifying fibroma in the mandible. Chief complaint of the patient was facial asymmetry by slow growing mass on the right mandibular body. Diagnosis was obtained by incisional biopsy of affected mandible after taking several radiograms, which was ossifying fibroma. Patient was treated by subtotal mandiblectomy and resin splint implatation. We gained satisfactory result by secondary autogeneous cancellous and marrow bony graft from the iliac crest with titanium mesh for tray of bone chips.

• Imaging Science in Dentistry
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• v.44 no.2
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• pp.161-164
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• 2014

Mucoepidermoid carcinomas (MECs) arising within the jaws as primary central bony lesions are termed central MECs. Central MECs are extremely rare, comprising 2-3% of all mucoepidermoid carcinomas. We herein report a rare case of central MEC of the maxilla in a 52-year-old male whose plain radiographs showed a "ground glass" pattern and computed tomographic images, a hypodense mass with numerous calcifications. To the best of our knowledge, this is the first report of central MEC showing a "ground glass" appearance.

• Archives of Plastic Surgery
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• v.33 no.2
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• pp.252-254
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• 2006

The dermoid cyst is the one of common space occupying orbital lesion. This lesion is regarded as a non-invasive tumor, but infrequently causes destruction of adjacent bony structure and displacement of adjacent tissue. We experienced a characteristic ovoid orbital dermoid cyst that occupied in the frontal sinus and causes displacement of the eyeball with well-defined lining. This 55-year-old male presented a mass in left orbit, which rapidly increased in size for past 12 months, and patient could not open left eyelid. We removed this tumor totally then reconstructed the orbital roof and frontal sinus with an iliac bone graft and polyethylene sheet(Medpor Newnan, USA). This patient was followed up for 12 months and patient obtained satisfactory result without any complication suck as recurrence or infection.

• The Korean Journal of Nuclear Medicine
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• v.38 no.1
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• pp.1-20
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• 2004

Bone scan is one of the most frequently peformed studios in nuclear medicine. In bone scan, the amount of radiolsotope taken up by lesion depends primarily on the local rate of bone turnover rather than on the bone mass. Bone scan is extremely sensitive for defecting bony abnormalities. However, abnormalities that appear on bone scan may not always represent disease. The normal scan appearances may be affected not only by skeletal physiology and anatomy but also by a variety of technical factors which can influence image quality. Many normal variants and artifacts may appear on bone scan. They could simulate a pathologic process and could mislead into the wrong diagnostic interpretation. Therefore, their recognition is necessary to avoid misdiagnosis. A nuclear medicine physician should be aware of variable appearance of the normal variants and artifacts on bone scan. In this article, a variety of normal variants and artifacts mimicking real pathologic lesion in bone scan interpretation are discussed and illustrated.

• The Korean Journal of Pain
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• v.10 no.2
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• pp.304-307
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• 1997

Continuous epidural infusion, a combination of local anesthetic and opioid, have been widely administered for treatment of chronic cancer pain. A serious complications of epidural block is paraplegia which can also be caused by : direct spinal cord injury, epidural hematoma, epidural abscess, ischemic change, neurotoxicity, preexisting disease. Continuous epidural block for pain control of patient with cervical cancer was performed at $T_{12}/L_1$ interspace. A 4 cm catheter was inserted cephalad into the epidural space. After four months, back pain and motor weariless of lower extremities progressively developed. Spine CT showed bony destruction and soft mass-like lesion at $T_9$ & $T_{12}$ spine. We propose paraplegia was caused by spinal cord compression which resulted from vertebral metastasis of cervical cancer.