Granular cell tumor of the parotid gland: an exceptionally rare occurrence.
The authors report on a case of a granular cell tumor of the parotid gland, which constitutes an extremely rare neoplasm. The infiltrative growth of the tumor may pose the question of malignancy, especially on frozen section. The objective of this report was to function as a reminder of this entity for every pathologist that deals with a biopsy from a lesion of the parotid gland, and furthermore, to keep the unwary away from a possible diagnostic pitfall. A meticulous search of the literature revealed only 4 similar cases.
Dimosthenous
Kypros
K
Centro Consulenze Anatomia Patologica Oncologica, Centro Diagnostico Italiano, Milan, Italy. kypros_d@yahoo.com
Righi
Alberto
A
D014408:Biomarkers, Tumor / Q000032:analysis; D003951:Diagnostic Errors / Q000517:prevention & control; D005260:Female; D005629:Frozen Sections; D016586:Granular Cell Tumor / Q000737:chemistry / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007150:Immunohistochemistry; D008875:Middle Aged; D010306:Parotid Gland / Q000737:chemistry / Q000473:pathology* / Q000601:surgery; D010307:Parotid Neoplasms / Q000737:chemistry / Q000473:pathology* / Q000601:surgery
D014408:Biomarkers, Tumor