… of the aggressive variant of papillary thyroid carcinoma (PTC) is the tall cell variant (TCV). …
Summary: The TCV of PTC is characterized by cells having the nuclear features of PTC and …

… are 2–3 times as tall as they are wide and show cytologic features of papillary thyroid
carcinoma. d Columnar cell variant of papillary thyroid carcinoma. The pseudostratified cells have …

… cell variant (TCV), a subset of papillary thyroid carcinoma, were identified in a group of 624
patients with thyroid … All pathology specimens were reviewed, and each patient's carcinoma …

… thyroid carcinoma (PDTC), and anaplastic thyroid carcinoma (… natural history of these
aggressive variants, the treatment of … aggressive variants of follicular cell-derived thyroid carcinoma…

… in clinicopathologically aggressive thyroid neoplasms. … in the columnar cell variant of papillary
thyroid carcinoma, we … β-catenin, cyclin D1, the cell proliferation marker Ki-67 (MIB-1), bcl-2…

… thyroid carcinoma, not otherwise specified. The histological diagnosis was that of the columnar
cell variant of papillary thyroid carcinoma (… (C) Flat sheet of cells in a honeycomb/syncytial …

… include foci of hypercellularity containing abnormal pleomorphic cells, … variants of anaplastic
thyroid carcinoma lack expression of thyroglobulin, except for some rare epithelioid cells. …

… long-term outcome of tall cell variant (TCV) in comparison with the conventional forms of
papillary thyroid carcinoma (PTC). A total of 945 patients with thyroid cancer were treated and …

… In a sample of the tall-cell variant of papillary thyroid carcinoma, the tumor cells are 3 times
as tall as they are wide and exhibit elongated nuclei (inset). Note the nuclear optical clearing, …

… Both tall cell and columnar cell variants are thought to have a worse prognosis than conventional
PTCs; however, stage and grade may be more important than histological subtypes [11]…