Merkel cell carcinoma of the parotid gland associated with Warthin tumour: report of two cases

Merkel cell carcinoma of the parotid gland associated with Warthin tumour: report of two cases Aims: Two cases of Merkel cell carcinoma occurring simultaneously and in close association with a Warthin tumour of the parotid gland are reported Methods and results: The patients were a 65‐year‐old man a...

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Veröffentlicht in:	Histopathology 2001-10, Vol.39 (4), p.342-346
Hauptverfasser:	Fornelli, A, Eusebi, V, Pasquinelli, G, Quattrone, P, Rosai, J
Format:	Artikel
Sprache:	eng
Schlagworte:	Adenolymphoma - metabolism Adenolymphoma - pathology Adenolymphoma - ultrastructure Aged Biological and medical sciences Carcinoma, Merkel Cell - metabolism Carcinoma, Merkel Cell - pathology Carcinoma, Merkel Cell - ultrastructure Chromogranins - analysis Humans Immunohistochemistry Intermediate Filament Proteins - analysis Keratin-20 Male Medical sciences Merkel cell carcinoma Microscopy, Electron Otorhinolaryngology. Stomatology parotid gland Parotid Neoplasms - metabolism Parotid Neoplasms - pathology Parotid Neoplasms - ultrastructure salivary glands Tumors Upper respiratory tract, upper alimentary tract, paranasal sinuses, salivary glands: diseases, semeiology Warthin tumour
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Zusammenfassung:	Merkel cell carcinoma of the parotid gland associated with Warthin tumour: report of two cases Aims: Two cases of Merkel cell carcinoma occurring simultaneously and in close association with a Warthin tumour of the parotid gland are reported Methods and results: The patients were a 65‐year‐old man and a 70‐year‐old man, respectively. The Merkel cell carcinoma component was immunoreactive for chromogranin and keratin 20 and contained neuroendocrine‐type granules at the ultrastructural level. Conclusions: The histogenesis of this heretofore undescribed combination is discussed.
ISSN:	0309-0167 1365-2559
DOI:	10.1046/j.1365-2559.2001.01240.x