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was detected in a 36-year-old female who had a mixed classical and follicular PTC. The tumour was stage I with no extra-thyroidal extension. The POLE p.Thr457Met heterozygous variant was identified in an early-onset PTC patient (diagnosed at age of
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Division of Nuclear Medicine, Mallinckrodt Institute of Radiology, Washington University School of Medicine, Saint Louis, Missouri, USA
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pathologic markers, such as histologic subtype or somatic mutation profile, which might stratify patients at risk for these poor long-term outcomes. The majority of PTC cases comprise two histologic subtypes: classic papillary (CP) and follicular variant
Grupo de Citogenética, Filogenia y Evolución de Poblaciones, Facultad de Ciencias y Facultad de Ciencias de la Salud, Universidad del Tolima, Ibagué, Tolima, Colombia
Facultad de Ciencias para la Salud, Universidad de Caldas, Manizales, Caldas, Colombia
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Hospital Pablo Tobón Uribe, Medellín, Antioquia, Colombia
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Dinamica IPS, Medellín, Antioquia, Colombia
University of California Davis Comprehensive Cancer Center, Sacramento, California, USA
Fundación de Genética y Genómica, Medellín, Antioquia, Colombia
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cities. A total of 149 incident and histologically verified PTC patients, 81 with classical variant PTC (CVPTC) and 68 with follicular variant PTC (FVPTC), were recruited in between 2006 and 2016. All patients provided written informed consent, were
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in many different types of cancer, including PTC. Several variants have been revealed in the conserved part of the IDH1 gene with an association with follicular variant of PTC ( 14 ). In the EZH1 gene a hotspot Q571R mutation was detected that
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lack of data of TCVPTC and PTC-TCF, (ii) studies including different variants (e.g., follicular variant) other than classical variant in the control group, (iii) datasets considered as overlapping or duplicated, (iv) reviews, (v) case reports and (vi
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subgroup ( Table 1 ). Lung was the most frequent metastatic site (54.1%, data not shown). Of 151 cases, 88 were diagnosed as ‘classic-PTC’ (C-PTC, 58.3%), 25 as ‘Tall-cell Variant-PTC’ (TCV-PTC, 16.6%), 17 as ‘Follicular Variant-PTC’ (FV-PTC, 11.3%), 3 as
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was 38.6 ± 12.4 years (range 5–76 years); 68.0% (830) of patients were female and 32.0% (390) were male. The histologic cancer types included 1168 (95.7%) classic PTCs, 36 (3.0%) follicular variant PTCs and 16 (1.3%) other aggressive PTC variants
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Faculty of Health Sciences, Jan Kochanowski University, Kielce, Poland
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Introduction The follicular variant of papillary thyroid carcinoma (FVPTC) is the second most common histological variant of papillary thyroid carcinoma (PTC) ( 1 ). There are two variants of FVPTC, non-encapsulated (infiltrative) and
Postgraduate Program in Health Sciences, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
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Department of Clinical and Toxicological Analyses, Natal, Rio Grande do Norte, Brazil
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Department of Nutrition, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
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counselling. Here we report a family with four patients affected by PTC in three generations and evidence of genetic anticipation, suggesting a true non-syndromic FNMTC. Whole-exome sequencing (WES) was applied to identify a germline variant associated with
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Department of Microbiology, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
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thyroid carcinoma (PTC), the increase can also be partially ascribed to the evolution of histological criteria for the diagnosis of follicular variant of papillary thyroid carcinoma (FVPTC) ( 1 , 2 , 3 , 4 , 5 , 6 ). This variant is composed