• Title/Summary/Keyword: 선양

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Adenomatoid Odontogenic Tumor in the Posterior Mandible of a Young Child : A Case Report (하악 유구치부에서 발생한 선양 치성 종양의 증례 보고)

  • Sim, Dohee;Mah, Yonjoo
    • Journal of the korean academy of Pediatric Dentistry
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    • v.47 no.1
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    • pp.87-92
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    • 2020
  • Adenomatoid odontogenic tumor (AOT) is a rare benign odontogenic jaw lesion. It usually occurs in the anterior maxilla and is mostly related to impacted canines in teenagers. A 3-year-old girl was referred from a local dental clinic due to delayed eruption of the right primary mandibular 2nd molar. There was no history of pain or swelling. Radiography revealed a large radiolucency lesion with radiopacities around the unerupted right primary mandibular 2nd molar. Surgical enucleation with extraction of the right primary mandibular 2nd molar and surgical biopsy were performed. Based on the clinical and radiological findings, this lesion was defined as an ameloblastic fibro-odontoma which often develops in the mandible of adolescents. However, this lesion was diagnosed as AOT from the results of the histological examination. This report aimed to present a rare case of AOT in the posterior mandibular area in a very young patient.

ADENOMATOID ODONTOGENIC TUMOR ASSOCIATED WITH AN IMPACTED MANDIBULAR RIGHT LATERAL INCISOR (하악 우측 측절치에 발생한 선양 치성 종양)

  • Park, Mi-Seon;Park, Ho-Won;Lee, Ju-Hyun;Seo, Hyun-Woo
    • Journal of the korean academy of Pediatric Dentistry
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    • v.38 no.4
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    • pp.407-412
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    • 2011
  • Adenomatoid odontogenic tumor(AOT) is an infrequent odontogenic tumor which arise in the jaw. It was considered as a variant of ameloblastoma. The adenomatoid odontogenic tumor is clearly benign and, in contrast to the ameloblastoma, present a very low recurrence. It most often appears in the canine region of the maxilla. The adenomatoid odontogenic tumor is frequently asymptomatic, however it may cause painless swelling. The radiological findings of adenomatoid odontogenic tumor frequently share characteristics of dentigerous cyst and unicystic ameloblastoma. Conservative surgical enucleation and curettage are the treatment of choice. In this case a 10-year-old child was presented with mandibular right lateral incisor in unerupted. Radiographically, the tooth was impacted and a radiolucency was seen in the area. The lesion was enuclated without extraction of the tooth. Bracket was attached on the tooth for orthodontic extrusion installed. Histopathologically adenomatoid odontogenic tumor was revealed.

Adenoid Cystic Carcinoma of the Breast: Diagnosis by Fine Needle Aspiration Cytology (유방의 선양 낭포성 암종 -세침흡인 세포검사로 진단된 1 예 보고-)

  • Lee, Dong-Wha;Jin, So-Young;Kim, Dae-Joong;Kwon, Kui-Hyang
    • The Korean Journal of Cytopathology
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    • v.2 no.2
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    • pp.160-167
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    • 1991
  • Adenoid cystic carcinoma is a rare valiant of mammary cancer with better prognosis. The diagnosis is usually made by histologic examination of biopsy specimen. Recently, we have experienced a case of adenoid cystlc carcinoma initially diagnosed by fine needle aspiration cytology which revealed distinct cytologic features in a 45-year-old woman. Pink to red globules in the tumor cell clusters on Diff-Quik staining was a very helpful finding for cytologic diagnosis.

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Predictors of Distant Metastasis in Adenoid Cystic Cancer of Salivary Gland (타액선 선양낭성암종의 원격 전이 예측인자에 관한 연구)

  • Kim, Kang Woo;Kim, Yeon Soo;Oh, Kyoung Ho;Park, Min Woo;Cho, Jae-Gu;Baek, Seung-Kuk;Woo, Jeong-Soo;Jung, Kwang-Yoon;Kwon, Soon Young
    • Korean Journal of Head & Neck Oncology
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    • v.30 no.1
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    • pp.1-4
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    • 2014
  • 배경 및 목적 타액선 선양낭성암종은 느린 성장 속도와 늦은 원격 전이를 특징으로 하는 드문 상피성종양이다. 본 연구는 다양한 임상 병리학적 변수를 통해 선양낭성암종의 원격 전이에 영향을 주는 인자를 조사하고자 하였다. 대상 및 방법 1999년 10월부터 2011년 12월까지 본원 이비인후과에서 타액선 선양낭성암종으로 진단되어 치료 받은 44명(남자 19명, 여자 25명)을 대상으로 원격전이를 유발하는 위험 인자를 조사하였다. 8명의 환자는 배제 기준에 따라 제외하였다. 환자의 평균 연령은 54세였다. 환자의 병리 보고서, 종양의 크기, T 병기, 수술 절제연의 종양 존재 유무, 신경 조직 침습, 림프절 전이가 조사되었다. 결 과 15명의 환자가 원격전이가 있었으며 21명은 원격 전이가 없었다. 원격 전이를 유발할 수 있는 여러 인자들을 비교하였을 때, 원격 전이는 수술 절제연의 종양 세포 잔존(p=0.014), 종양의 크기(p=0.038), 진행된 T 병기(p=0.024)가 통계적으로 유의하게 연관성이 있었다. 림프절 전이와 신경 조직 침습은 원격 전이와 연관이 없었다. 결 론 종양의 크기, 진행된 T 병기, 수술 후 절제연의 종양 세포 잔존은 원격 전이의 예측 인자로 생각된다. 따라서 이에 해당하는 환자의 경우 더욱 철저한 관리 및 경과 관찰을 요한다.

Photonics News

  • Korea Association for Photonics Industry Development
    • Photonics industry news
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    • s.22
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    • pp.132-143
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    • 2004
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