title: Granular cell tumor of the thyroid: a case report.
abstract: We report a rare case of granular cell tumor (GCT) arising within the thyroid parenchyma. The differential diagnosis of GCT in thyroid includes all oncocytic/Hürthle cell lesions of the thyroid, medullary carcinoma and metastasis. The classic histomorphologic features and immunohistochemistry are helpful in arriving at the correct diagnosis.
authors.affiliation: Department of Pathology and Laboratory Medicine, University of Pennsylvania Medical Center, Philadelphia, PA 19104, USA.
authors.forename: Zubair W
authors.initials: ZW
authors.lastname: Baloch
authors.forename: Susan
authors.initials: S
authors.lastname: Martin
authors.forename: Virginia A
authors.initials: VA
authors.lastname: Livolsi
mesh_terms: D018249:Adenoma, Oxyphilic / Q000175:diagnosis; D014408:Biomarkers, Tumor / Q000032:analysis; D018276:Carcinoma, Medullary / Q000175:diagnosis / Q000556:secondary; D003937:Diagnosis, Differential; D005260:Female; D016586:Granular Cell Tumor / Q000737:chemistry / Q000473:pathology*; D006801:Humans; D007150:Immunohistochemistry; D008875:Middle Aged; D013964:Thyroid Neoplasms / Q000737:chemistry / Q000473:pathology* / Q000556:secondary; D013965:Thyroidectomy
chemical_list: D014408:Biomarkers, Tumor