• 대한두경부종양학회지
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• 제24권2호
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• pp.207-210
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• 2008

The purpose of this paper is to review our experience with mucoepidermoid carcinoma(MEC), a rare tumour in minor salivary glands, in a paediatric patients. 15-year-old boy was noted to have a irregular round mass appearing atthe soft palate just to the right of the mid-line. A computed tomographic(CT) scan showed a palatal mass limited to soft palate with no bony erosion. The lesion was curetted and debulked. Pathology was reported as an intermediate-grade mucoepidermoid carcinoma, and the patient was considered to radiation therapy institution for further treatment. To date, patients remain free of disease. Wide local excision is the treatment of choice for low to intermediate grade MEC of the minor salivary glands in paediatric patients.

• 한국임상수의학회지
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• 제39권1호
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• pp.23-27
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• 2022

An 11-year-old spayed female Maltese dog presented with mass in oral cavity. On conscious oral examination, the right maxillary canine tooth was not visible, and a lesion has been suspected of mass existed in canine tooth area. The adjacent maxillary first premolar was buried in the lesion, with a little part of the tooth exceptions. On radiographic examination, the canine tooth was buried horizontally in the lesion, and the root part was adjacent to the first premolar tooth. Extraction was performed for a treatment. When the lesion was incised, the canine tooth was horizontal with the concave surface facing the palatal, and formed double teeth by fusing with the premolar tooth at the roots parts of the teeth. This report described the double teeth in the dentigerous cyst rarely reported in dogs.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• 제39권6호
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• pp.292-296
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• 2013

Verruciform xanthoma (VX) is a rare, benign lesion that presents in the oral cavity, skin, or genital organs as a verrucous, papillomatous, or flat papule with varying colors. VX has indistinct clinical features, making histopathological examination necessary for a definitive diagnosis. Histologically, VX is characterized by parakeratosis, rete ridges with uniform depth, and an accumulation of the foam cells, which are also known as the "xanthoma cells". These foam cells test positive for antibodies, such as CD-68 and vimentin; it is thought that VX foam cells are derived from the monocyte-macrophage lineage, and that VX's pathogenic mechanism is partly related to an immune mechanism. Nevertheless, the pathogenesis of VX remains unclear. VX can be treated by surgical excision; other medical, chemical, and radiological treatments are not required postoperatively. Recurrence and malignant transformation of VX are rare. Two patients, each with a mass of unknown origin on the palatal gingiva, were presented at our clinic. Excisional biopsies of the masses were performed for a histological diagnosis after clinical and radiological examinations. Histological examination confirmed a diagnosis of VX in both cases.

• Maxillofacial Plastic and Reconstructive Surgery
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• 제20권3호
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• pp.246-249
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• 1998

본 증례는 우측 하악 후구치부위에 생긴 편평상피세포암종의 절제후 생긴 결손부를 미세혈관수술을 이용한 유리전완피부피판으로 재건한 증례로서 병소가 발생한 해부학적 위치 및 절제 후 생긴 결손부의 크기를 고려할 때, 전완피부피판을 이용하여 재건하였으며 현재까지 양호한 결과를 보이고 있다. 이와 같이 전완피부피판은 특성을 잘 이용하는 적절한 적응증에 사용된다면 어떤 다른 재건방법 보다도 성공적인 결과를 가져올 수 있으며 특히 구강악안면영역의 재건에서 그 효용성이 크다고 할 수 있다.

• Archives of Plastic Surgery
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• 제37권4호
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• pp.473-476
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• 2010

Purpose: Torus palatinus is a bony prominence at the middle of the hard palate. The size varies from barely discernible to very large, from flat to lobular. This oral exostosis is not a disease or a sign of disease, but if large, may be a problem. So, we present the clinical and histopathologic features and applied therapy and provide a comprehensive review of the rare case of the symptomatic exostoses. Methods: A 37-year-old woman had slowly growing exophytic nodular mass of the bone that arises the midline suture of the hard palate. The patient was concerned about discomfort associated with movement of her tongue and about frequent irritation of the palatal mucosa during mastification of the hard food. The patient had a large, unilobulated torus palatinus. It extended from the area adjacent to the canine to a point beyond the junction with the soft palate. The mass was oblong in shape, measuring about 3 cm long, 2 cm wide, and 0.8 cm in height. Results: Before surgical intervention a CT was obtained for the sake of estimating the thickness of the bone between the exostoses and the maxillary antrum and floor of the nose. The surgical procedure was performed with the patient under general anesthesia. Removal of the exostosis was performed after midline mucoperiosteal incision with osteotome and diamond burr. Histologic finding revealed decalcified dense bony tissue, the presence of lacunae, and normal osteocytes. Conclusion: Surgical removal is recommended when one or more of the following condition exist: interference with the construction of prosthesis, interference with oral function, irritation or pathology of the overlying tissue, inability of the patient to maintain proper oral hygiene, and fear of malignancy or other psychologic trauma. We report a rare case of the torus arising in hard palate with symptoms.

• 한국임상수의학회지
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• 제31권5호
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• pp.425-429
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• 2014

식욕부진, 호흡부전, 또는 비출혈을 보이는 두 마리 개가 내원하였다. 신체검사에서 호흡곤란, 개구호흡 및 커다란 구개 종양을 확인하였다. 신체검사 중 2 번 증례에서 호흡부전으로 인한 심정지가 발생하였고 심폐소생술과 산소 공급을 통해 안정화 되었다. 1 번 증례의 CT 촬영에서 경구개 연구개를 포함하는 구강 인두, 인두 내 입구, 인후두 부위의 종양을 확인하였다. 연하곤란 및 호흡부전 개선을 위해 보호자 동의 하에 완화 수술을 결정하였다. 종양 제거 후 발생한 결손 부위 재건을 위해 구강 내 점막을 사용하여 회전 및 전진 피판술과 양측 90o 자리바꿈 피판술을 1 및 2 번 증례에 각각 적용하였다. 조직 검사 결과, 두 마리의 개 모두에서 무멜라닌 색소성 흑색종이 진단되었다. 수술 후 7 일째 두 마리 모두에서 정상 연하와 호흡이 확인되었다. 수술 후 4 주째 1 번 증례의 수술 부위에서 재발된 종양이 관찰되었다. 보호자가 추가적인 치료를 원하지 않았고, 연락 두절로 인하여 수술 후 2 개월 이후의 확인은 불가능하였다. 수술 후 3 주째 2 번 증례의 신체검사 및 방사선 촬영에서 국소적인 재발 및 전이는 확인 되지 않았다. 수술 후 7 주째 유선상으로 확인한 결과, 2 번 증례에서 원인불명의 갑작스러운 사망이 확인되었다.

• 대한두경부종양학회지
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• 제20권1호
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• pp.24-28
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• 2004

Background and Objectives: Salivary gland tumors are relatively rare and constitute 3% to 4% of all head and neck neoplasms. Their relative infrequency, inconsistent classification, and highly variable biologic behavior make some difficulty, but some general features can be drawn regarding the incidence, pathology, and pattern of behavior of the various benign and malignant tumors of salivary glands. The present study aims to provide a clinical characteristics of salivary gland tumors. Materials and Methods: We analyzed retrospectively clinical features of the 138 patients who were treated surgically at Chonbuk National University Hospital from 1992 through 2002. Results: We found 107 benign and 31 malignant tumors. Among the patients, 58 were males and 80 were females. The most common age group was the fifties. The most common site of both benign and malignant was parotid gland in major salivary glands and palatal region in minor salivary glands. The most common presenting symptom was palpable mass in both benign and malignant tumor. Histopathologically, the most common type was pleomorphic adenoma in benign tumor and mucoepidermoid carcinoma in malignant tumor. All cases were treated surgically and the most common postoperative complications was transient facial nerve weakness. Conclusion: 138 cases of salivary gland tumors were presented with respect to their clinical features.

• The Journal of Advanced Prosthodontics
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• 제2권3호
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• pp.102-105
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• 2010

PURPOSE. The aims of this study were to suggest a method of fabrication of the record base using a light-polymerized resin by applying the two-phase fabrication method for the improvement of the fit of the record base and to compare the degree of fit according to the separation site. MATERIALS AND METHODS. In the edentulous cast of maxilla, four test groups were considered. In the first, second, third, and fourth test groups (n = 12 in each group) the separation was done at 0, 5, 10, and 15 mm, respectively below the alveolar crest along the palatal plane. For the control group, the record base was made without separating the two sections. The light-body silicone material was injected into the fitting surface of the record base. It was then placed onto the cast and finger pressure was applied to stabilize it in a seated position followed by immediate placement onto the universal test device. Finally, the mass of the impression material was measured after it was removed. ANOVA was performed using the SAS program. For the post-hoc test, the Wilcoxon Rank-Sum test and the Tukey-Kramer HSD test were performed ($\alpha$ = 0.05). RESULTS. The control group and Group 3, 4 showed significant differences. The Group 3 and 4 showed significantly smaller inside gaps than the control group which was not made with the two-phase fabrication method. CONCLUSION. The two-stage polymerized technique can improve the fit of the denture base particularly when the separation was made at 10 to 15 mm from the alveolar crest.

• Journal of Oral Medicine and Pain
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• 제38권2호
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• pp.115-119
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• 2013

평활근종(leiomyoma)은 평활근에서 발생하는 양성종양으로, 두경부 영역에서는 흔치 않은 질환이다. 구강내 평활근종의 경우 혈관성 평활근종이 가장 흔하다. 구강내 혈관성 평활근종은 비교적 단단하고, 매끈한 표면을 가지며, 경계가 명확하고, 둥글고 돌출되어 있다. 대부분 무통성으로 느리게 성장하기 때문에 환자가 병원을 찾게 될 때까지 수개월에서 수년이 걸리며, 병력 및 임상검사, 방사선학적으로 특징적인 소견을 나타내지 않아 수술 후 병리조직학적 소견으로만 진단이 가능하다. 본 증례는 구개부에 연성종양을 주소로 내원한 53세의 여자 환자에서 종양 적출술을 시행, 병리조직학적으로 혈관성 평활근종으로 확진된 1예를 문헌고찰과 함께 보고한다.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• 제41권6호
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• pp.338-341
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• 2015

Necrotizing sialometaplasia usually heals within 4 to 10 weeks with conservative treatment, and rarely recurs. When necrotizing sialometaplasia is present on the hard palate it may occur unilaterally or bilaterally. In this case, necrotizing ulceration occurred on the left hard palate of a 36-year-old woman after root canal treatment of the upper left first premolar under local anesthesia. After only saline irrigation the defect of the lesion completely healed and filled with soft tissue. After 5 months, however, a similar focal necrosis was found on the contralateral hard palate without any dental treatment having been performed on that side and progressed in similar fashion as the former lesion. We conducted an incisional biopsy and obtained a final pathological diagnosis for the palatal mass of necrotizing sialometaplasia. At the 3-year follow-up, the patient's oral mucosa of the hard palate was normal, without any signs and symptoms of the condition. We report a case of a second occurrence of necrotizing sialometaplasia on the contralateral side from the first, with a time lapse between the first and second occurrence.