title: Merkel cell carcinoma composed of small, intermediate and squamous cell foci showing mutually exclusive expression of neuroendocrine markers and cytokeratin 20.
authors.forename: H
authors.initials: H
authors.lastname: Hattori
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D014408:Biomarkers, Tumor / Q000378:metabolism*; D015266:Carcinoma, Merkel Cell / Q000473:pathology*; D005153:Facial Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D007381:Intermediate Filament Proteins / Q000378:metabolism; D053554:Keratin-20; D009363:Neoplasm Proteins / Q000378:metabolism; D012878:Skin Neoplasms / Q000473:pathology*
chemical_list: D014408:Biomarkers, Tumor; D007381:Intermediate Filament Proteins; C507499:KRT20 protein, human; D053554:Keratin-20; D009363:Neoplasm Proteins