Synopsis
endobronchial polyp with bronchial obstruction (#14704717#)
four architectural patterns
round cells coexpressing thyroid transcription factor-1 and epithelial membrane antigen without cytokeratin immunoreactivity
Immunochemistry
TTF-1+ (thyroid transcription factor-1)
EMA+
CK-
Associations
familial adenomatous polyposis (#15188145#)