title: Unusual variants of papillary thyroid carcinoma.
authors.affiliation: Department of Pathology and Laboratory Medicine, University of Pennsylvania Medical Center, Philadelphia, USA.
authors.forename: V A
authors.initials: VA
authors.lastname: LiVolsi
mesh_terms: D002291:Carcinoma, Papillary / Q000175:diagnosis / Q000473:pathology* / Q000503:physiopathology; D006801:Humans; D011379:Prognosis; D013964:Thyroid Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000503:physiopathology