Squamous cell carcinoma and neuroendocrine carcinoma colliding in the esophagus
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چکیده
منابع مشابه
Squamous Cell Carcinoma and Neuroendocrine Carcinoma Colliding in the Esophagus
A collision tumor consists of two independent neoplasms growing in close proximity until they become juxtaposed, appearing as one lesion. This is a very rare situation with unclear physiopathology. Collision tumors should be distinguished from composite tumors, which consist of one neoplastic clone that diverges into two cell lineages. Collisions located in the esophagus are particularly uncommon.
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Collision tumor is an extremely rare tumor which defined as the concrescence of two distinct primaries neoplasms. We report here a case of collision tumor at lower third esophagus composed of small cell type neuroendocrine carcinoma (NEC), which is an very rare, highly aggressive and poorly prognostic carcinoma and squamous cell carcinoma (SqCC). In our case, pathologically, the small cell carc...
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ژورنال
عنوان ژورنال: Clinics
سال: 2010
ISSN: 1807-5932
DOI: 10.1590/s1807-59322010000100018