• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• 제48권5호
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• pp.267-276
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• 2022

Objectives: Recently a modified high-submandibular approach (HSMA) has been introduced for treatment of condylar fracture. This approach involves an incision line close to the mandibular angle and transmasseteric transection, leading to a low incidence of facial palsy and allowing good visualization of the condyle area, especially the condylar neck and subcondyle positions. This study reports several cases managed with this modified HSMA technique for treating condylar fractures. Materials and Methods: Six cases of condylar fractures treated with modified HSMA technique were reviewed. Results: Three unilateral subcondylar fracture, 1 bilateral subcondylar fracture, 1 unilateral condylar neck fracture, 1 unlateral simultaneous condylar neck and subcondylar fracture cases were reviewed. All the cases were successfully treated without any major complication. Conclusion: Reduction, fixation, and osteosynthesis of condylar fractures via the modified HSMA technique enabled effective and stable treatment outcomes. Therefore, the described approach can be used especially for subcondylar and condylar neck fractures with minimal complications.

• The Korean Journal of Physiology
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• 제8권2호
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• pp.45-48
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• 1974

It was planned to investigate, in mice that received ACTH, the influence of Panax Ginseng upon DNA synthesis of submandibular gland by observing incorporation of $[^3H]$ thymidine into the tissue cells. Thirty male mice $(body\;weight:\;18{\sim}20\;g)$ were divided equally into the ginseng-ACTIH and the saline-ACTH groups. Each animal of the ginseng-ACTH and the saline-ACTH groups received every day (subcutaneously) 0.05 m1/10 g body weight of ginseng extract(4 mg of ginseng alcohol extract in 1 ml of saline) and the same amount of saline, respectively, for 5 days. On the 5th experimental day, all animals received 0.01 unit of ACTH intraperitoneally one hour after the last medication, and $1\;{\mu}Ci/g$ body weight of $[^3H]$ thymidine after one more hour. Five animals, at a time, of each group were sacrificed 1, 10, and 24 hr after $[^3H]$ thymidine administration, and the radioactivity of cells in their mandibular gland was measured autoradiographically in terms of the % number of radioactive cells in 1,000 cell counts (Radioactive Index, R.1.). Results obtained were as follows: 1. The radioactive indices obtained from submandibular gland of the saline-ACTH group 1, 10 and 24 hr after $[^3H]$ thymidine administration were $15.2{\pm}0.32,\;20.1{\pm}0.30,\;and\;24.5{\pm}0.52(mean{\pm}S.D.)$ in the mucous cells, $13.0{\pm}0.22,\;10.2{\pm}0.05,\;and\;7.5{\pm}0.42$ in the serous cells. and $10.5{\pm}0.40,\;13.6{\pm}0.32,\;and\;15.9{\pm}0.42$ in the duct cells, while the $mean{\pm}S.D.$ of the values obtained from the 3 cell types 1, 10 and 24 hr after $[^3H]$ thymidine were $10.9{\pm}0.28,\;12.4{\pm}0.31,\;and\;10.0{\pm}0.39.$ Thus the radioactive indices obtained from the ginseng-ACTH group were generally lower than those obtained from the saline-ACTH group. It is inferred from the above results that the ginseng tends to promote the suppressive action of ACTH upon DNA synthesis of cells in the mandibular gland.

• 치위생과학회지
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• 제2권1호
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• pp.47-51
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• 2002

Sprague-Dawley계 흰쥐의 악하선에서 선세포를 분리하여 fura-2/AM(fura-2)으로 염색한 후 spectrofluorometer로 세포내 $Ca^{2+}$농도를 측정하였다. 악하선 세포를 관류장치(perfusion chamber)에 넣고 표준용액을 관류시키면서 isoproterenol($1{\mu}M$)과 octanol(1mM)을 투여한 후 $Ca^{2+}$농도 변화를 측정하였는데 단독 투여시 $Ca^{2+}$농도는 거의 변화하지 않았으나 함께 투여한 경우 세포 내 $Ca^{2+}$농도가 증가함을 확인할 수 있었다. Adenylate-cyclase를 활성화 시키는 forskolin($10{\mu}M$)과 octanol을 함께 투여하였을 때도 isoproterenol의 경우와 유사한 증가 현상을 보이는 것으로 볼 때 octanol과 isoproterenol 또는 forskolin이 함께 작용할 때 세포 내 $Ca^{2+}$가 증가하는 것을 확인할 수 있었다. $Ca^{2+}$의 증가기전을 확인하고자 표준용액의 $Ca^{2+}$를 제거함은 물론 EGTA를 처리하여 세포외부의 $Ca^{2+}$를 제거한 후 상기한 바와 동일한 실험을 반복한 결과 $Ca^{2+}$농도의 증가를 보이지 않았다. 따라서 세포 내 $Ca^{2+}$의 증가는 세포 외부로부터의 $Ca^{2+}$유입 때문인 것으로 확인할 수 있었다. 이러한 $Ca^{2+}$의 유입 capacitative entry pathway를 이용하는지 확인코자 gadolinium($10{\mu}M$)을 처리하였을 때 $Ca^{2+}$농도의 증가가 완전히 억제되지는 않았지만 $Ca^{2+}$의 증가속도와 증가량이 감소되어 있음을 확인할 수 있었다. 이상의 실험결과들을 정리하면 세포 내 $Ca^{2+}$농도의 증가와 관련 ${\beta}$-아드레날린계 관련 약물과 옥탄올(octanol)을 함께 처리할 경우 세포 내 $Ca^{2+}$는 세포 외부에서 유입되어 증가되고 그 경로는 일부 capacitative entry pathway를 통함을 확인할 수 있었다.

• 치과방사선
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• 제24권1호
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• pp.67-77
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• 1994

The purpose of this study was to investigate the irradiatiion effects on the capillary and endothelial cell in the submandibular gland. Sprague-Dawley strain male rats were singly irradiated to their neck region with the dose of 5Gy by 6MV X-irradiation and sacrificed on the 6 hours, 12 hours, 1, 3, 7, and 14days after irradiation. The authors observed the histological changes of the capillary at H & E and PAS staining under a light microscope, and also observed the ultrastructural changes of the endothelial cell using a transmission electron microscope. The obtaining results were as follows: 1. In the light microscopic examination, the capillary density was slightly increased on the 1day after irradiation, and increased until the 7 days after irradiatiion. After then, capillary density was apparently decreased. 2. The reaction to PAS staining at acinar cells was decreased on the 6 hours after irradiation, and recovered on the 7days after irradiation. But reaction was decreased on the 14days after irradiation agan, after then, gradually recovered with days. 3. In the transmission electron microscopic examination, mild proliferation of cytoplasmic process of the endothelial cell and reduction in luminal size were observed just after irradiation. After then, nuclear degeneration, marked proliferation of cytoplasmic process, thickened basal lamina, and numerous cytoplasmic vesicles were observed on the 1day after irradiation. These changes were recovered to normal on the 14days after 5Gy group, but not with 10Gy irradiation group. And destruction of endothelial cell and loss of basal lamina were not observed in both groups. 4. From the above results, reduction in luminal size, proliferation of cytoplasmic process and thickening of basal lamina were observed as the irradiation effects on the capillary and endothelial cell of the submandibular gland. And also, these changes may induce increase in capillary number and endothelial permeability by means of increase of cytoplasmic vesicle formation. The changes appeared earlier and more prominent in 10Gy irradiated group than in 5Gy irradiated group.

• Maxillofacial Plastic and Reconstructive Surgery
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• 제33권4호
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• pp.368-372
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• 2011

Progressive transformation of germinal centers (PTGC) is mostly a disease of young adults and it presents as unexplained, asymptomatic, localized or generalized lymphadenopathy that is usually persistent or recurrent over a period of many years. PTGCs are larger than regular germinal centers and they contain a variable proportion of small mantle zone lymphocytes and so they become progressively transformed and they may result in the loss of clear demarcation between them and the mantle zone. PTGC may resemble the nodules of nodular lymphocyte predominant Hodgkin's disease (NLPHD) and it may be mistaken for NLPHD. Histological and immunohistochemical studies are helpful in differentiating these diseases. Because of the relatively frequent recurrences of PTGC, follow-up and repeat biopsy are indicated. Although PTGC is not considered to be a premalignant condition, PTGC may occur prior to, concurrent with or following NLPHD. This emphasizes the need for ongoing follow-up and repeat biopsy. Although PTGC is reported in 3.5% to 10% of the cases of chronic nonspecific lymphadenopathy, oral & maxillofacial surgeons are not widely aware of this condition and its clinical implications. Herein, we present a case of PTGC. A 24-year-old male without any history of immunodeficiency or autoimmune disease was admitted to the Department of Oral & Maxillofacial surgery at Ulsan University Hospital for evaluation of a right submandibular swelling. He had another mass on the right thigh that was noticed about 1 year ago. The submandibular lesion was completely resected and biopsied. The histological findings and immunohistochemical stains (CD3, CD15, CD20, CD30, CD57, BCL-2, EMA) were consistent with PTGC. He was followed up without any other complaints for 9 months.

• 한국방사선학회논문지
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• 제5권6호
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• pp.343-349
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• 2011

치과 방사선검사에 있어 두부 내의 흡수선량에 관한 평가를 하고자 인체모형팬텀 내부의 뇌하수체와 안구, 상악동, 악하선, 갑상선, 식도에 유리형광소자를 삽입하고 X-선을 조사하였다. 사용된 장치로는 Kodak 2200, Kodak 8000C dental radiographic systems과 computed tomography(Lightspeed VCT)이고 촬영조건은 임상에서 사용하는 인자와 동일하게 설정하였다. 이때 구내 X-선 검사의 경우 흡수선량은 0.02~2.47cGy로 가장 높게 측정된 곳은 상악 대구치 촬영 시 2.47cGy인 갑상선이었고 가장 낮은 곳은 하악 전치부 촬영에서 0.02cGy인 악하선이었다. 그리고 구외 X-선 검사의 경우 흡수선량은 세파로에서 0.36~3.44cGy, 파노라마에서 0.14~12.82cGy, 전산화단층촬영에서 8.17~253.63cGy 가장 높게 측정된 곳은 상악 CT 촬영 시 253.63cGy인 악하선이었고 가장 낮은 곳은 파노라마 촬영에서 0.14cGy인 안구이었다. 구외 X-선 검사가 구내 X-선 검사 보다 많은 흡수선량이 측정되었다. 특히 CT를 이용한 검사에서는 구내 촬영보다 100배 이상 높게 측정되었다. 따라서 구외 X-선 검사에 있어서 가이드라인을 제시하여야 하며 방사선에 의한 흡수선량을 줄이기 위한 노력이 요구된다.

• Journal of Oral Medicine and Pain
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• 제36권3호
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• pp.161-167
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• 2011

타석은 타액선에 발견되는 흔한 병리 상태 중 하나이다. 타석의 형성과 관련된 기전은 아직까지 명확하게 밝혀지지 않았다. 본 연구에서는 악하선의 만성타액선염을 앓고 있는 58세 여성 환자로부터 얻은 타석을 전자현미경 및 에너지분산 X선 분광법을 통해 화학적인 조성과 미세형상을 분석하였다. 전자현미경 평가에서 고도로 광화된 무정형 핵이 층판의 동심원상 구조로 둘러싸인 형태가 관찰되었으나, 이물질, 유기물질 또는 미생물의 소견은 확인되지 않았다. 에너지분산 X선 분광 분석에서 중심부 핵은 Ca, O 및 P로만 구성되어 있었고, C도 중심부 근처에서 높은 함량으로 검출되었다. 이러한 결과는 타석의 무기물 조성은 주로 수산화인회석 결정으로 되어 있고 중심핵 주변으로 무기-유기 구조가 형성되어 있어, 악하선관 내 타석의 핵이 무기결정핵의 성장을 촉진하는 타액선염에 의해 이차적으로 형성되었을 가능성을 제시한다.

• 대한두경부종양학회지
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• 제9권1호
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• pp.91-97
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• 1993

The salivary gland consists of major and minor glands. The major glands are parotid, submandibular and sublingual glands. The numerous minor salivary glands are located in the mucosa of the upper aerodigestive tracts. Tumors of the salivary gland are relatively uncommon, and the incidence of the salivary gland tumor among the head and neck neoplasm is approximately 3%. Surgery is the primary treatment of choice for the most tumors of the salivary glands. Author reviewed the recent reports of salivary gland neoplasms of Korea and foreign institutes and suggest the guideline of managemnt of salivary gland tumors.

• 대한치과의사협회지
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• 제4권1호
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• pp.27-30
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• 1963

The author have had a case of salivary stone in the anterior half of Wharton's duct in the left side. 1)The patient was 32-year=old Korean male .2)There was a history of severe pain at mealtime, pus discharging and marked swelling of the left submandibular region.3) The patient was sebmandibular region. 3)The paient was sedated with 100mg .of Seconal and anesthetized with 2% Xylocaine Hydrochloride. The surgical procedure was performed in the usual manner. 4)THhe stone was ellowish-white, single wheat-shaped and 9mm. by 3mm. in size.

• 한국임상수의학회지
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• 제18권4호
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• pp.482-486
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• 2001

A seven year old dog with a history of vomiting for one month, icterus for one week yellowish urination for a few weeks, weight loss (1.5 kg loss/wk), and swelling of submandibular, prescapular, axillary, inguinal and popliteal lymph nodes and then a 3 year old dog with mild vomiting history and multifocal mass(neck, shoulder, mammary glands) were diagnosed as lymphoma by radiography, ultrasonography and ultrasound-guided fine needle aspiration and died all thereafter without any chemotherapeutical treatment.