Collision tumor of the mediastinum: a rare entity.
case_report · Level V
Where this comes from
- Record sourced from PubMed, PMID 23272853.
- Also identified by DOI 10.1016/j.athoracsur.2012.06.030.
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Abstract
A collision tumor is a rare entity consisting of 2 different tumors that, because of proximity, merge together. The diagnosis of a collision tumor requires that the 2 tumors be histologically distinct. This phenomenon has been described mostly at the esophagogastric junction, where a squamous cell carcinoma of esophageal origin collides with a gastric adenocarcinoma. The present case is of 2 histologically distinct tumors with aggressive features occurring at the mediastinum.
Medical subject headings
- Adenocarcinoma
- Carcinoma, Squamous Cell
- Esophageal Neoplasms
- Esophagogastric Junction
- Mediastinal Neoplasms
- Neoplasms, Multiple Primary
- Stomach Neoplasms