Advances in pediatric surgery

Korean Association of Pediatric Surgeons (대한소아외과학회)
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A Case Report of Accessory Cervical Thymus

경부 이소성 흉선종 1예 보고

  • Lee, Ki-Yun (Department of Surgery, Inje University College of Medicine, Busan Paik Hospital) ;
  • Chun, Yong-Soon (Department of Surgery, Inje University College of Medicine, Busan Paik Hospital) ;
  • Nam, Jeong-Su (Department of Surgery, Inje University College of Medicine, Busan Paik Hospital) ;
  • Lee, Nan-Joo (Department of Surgery, Inje University College of Medicine, Busan Paik Hospital) ;
  • Yoon, Hye-Kyoung (Department of Pathology, Inje University College of Medicine, Busan Paik Hospital)
  • 이기윤 (인제대학교 의과대학 외과학교실) ;
  • 전용순 (인제대학교 의과대학 외과학교실) ;
  • 남정수 (인제대학교 의과대학 외과학교실) ;
  • 이난주 (인제대학교 의과대학 외과학교실) ;
  • 윤혜경 (인제대학교 의과대학 병리학교실)
  • Received : 2007.11.21
  • Published : 2008.06.30
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Abstract

Accessory cervical thymic tissue has been rarely reported. However, it should be included in the differential diagnosis of neck masses in children, along with branchial anomalies, lymph nodes and other tumors. This lesion occurs along the descending line of the thymus between the angle of mandible and superior mediastinum. A 2-month-old infant presented with an asymptomatic left sided neck mass. MRI revealed a well defined homogeneous mass in the deep lobe of left parotid gland. At operation, an easily identified soft tissue mass was found in the left submandibular area, measuring $3{\times}1.5cm$. It was completely excised. Microscopic examination revealed normal thymic tissue.

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