Korean J Thorac Cardiovasc Surg.
2014 Feb;47(1):63-65.
Metastatic Pulmonary Ameloblastoma Misdiagnosed as Primary Squamous Cell Carcinoma Preoperatively
- Affiliations
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- 1Department of Thoracic and Cardiovascular Surgery, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Korea. kjna1125@hanmail.net
- 2Department of Pathology, Chonnam National University Hospital, Chonnam National University Medical School, Korea.
Abstract
- Ameloblastomas are rare odontogenic epithelial tumors that occur mainly in the mandible. Despite their benign histologic appearance, they are locally aggressive with a high recurrence rate. However, a metastasizing ameloblastoma has been rarely reported. According to the current World Health Organization classification system, the definitive diagnosis of metastasizing ameloblastoma can only be carried out in retrospect, after the event of metastasis. This case report describes a patient with metastatic pulmonary ameloblastoma, 17 years after the surgical excision of an odontogenic tumor, preoperatively misdiagnosed as primary squamous cell carcinoma.
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