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- Title
Classic Papillary Thyroid Carcinoma with Tall Cell Features and Tall Cell Variant Have Similar Clinicopathologic Features.
- Authors
Woo Jin Oh; Young Sub Lee; Uiju Cho; Ja Seong Bae; Sohee Lee; Min Hee Kim; Dong Jun Lim; Gyeong Sin Park; Youn Soo Lee; won Jung, Chan K.
- Abstract
Background: The tall cell variant of papillary thyroid carcinoma (TCVPTC) is more aggressive than classic papillary thyroid carcinoma (PTC), but the percentage of tall cells needed to diagnose TCVPTC remains controversial. In addition, little is known about the clinicopathologic features of classic PTC with tall cell features (TCF). Methods: We retrospectively selected and reviewed the clinicopathologic features and presence of the BRAF mutation in 203 cases of classic PTC, 149 cases of classic PTC with TCF, and 95 cases of TCVPTCs, which were defined as PTCs having <10%, 10-50%, and ⩾50% tall cells, respectively. Results: TCVPTCs and classic PTCs with TCF did not vary significantly in clinicopathologic characteristics such as pathologic (p) T stage, extrathyroidal extension, pN stage, lateral lymph node metastasis, or BRAF mutations; however, these features differed significantly in TCVPTCs and classic PTCs with TCF in comparison to classic PTCs. Similar results were obtained in a subanalysis of patients with microcarcinomas (⩽1.0 cm in size). Conclusions: Classic PTCs with TCF showed a similar BRAF mutation rate and clinicopathologic features to TCVPTCs, but more aggressive characteristics than classic PTCs.
- Subjects
THYROID cancer; PROGNOSIS; POLYMERASE chain reaction; GENETIC mutation; LYMPHATIC metastasis
- Publication
Korean Journal of Pathology, 2014, Vol 48, Issue 3, p201
- ISSN
1738-1843
- Publication type
Article
- DOI
10.4132/KoreanJPathol.2014.48.3.201