Ultrasound findings of noninvasive follicular thyroid neoplasm with papillary-like nuclear features compared with those of follicular variant of papillary carcinoma and encapsulated papillary carcinoma : a single-institution study in Japan

[Abstract.] Noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is a new entity adopted by the newest World Health Organization classification. It is differentiated from follicular variant papillary thyroid carcinoma (FVPTC) and regarded as non-malignant disease. Her...

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Bibliographic Details
Published in:ENDOCRINE JOURNAL 2020, Vol.67 (11), p.1147-1155
Main Authors: Maki Oshita, Yasuhiro Ito, Tomoko Miyamoto, Hisashi Ota, Tomohiko Nakamura, Mitsuyoshi Hirokawa, Akihiro Miya, Akira Miyauchi
Format: Article
Language:Japanese
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Summary:[Abstract.] Noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is a new entity adopted by the newest World Health Organization classification. It is differentiated from follicular variant papillary thyroid carcinoma (FVPTC) and regarded as non-malignant disease. Here, we compared the ultrasound findings of NIFTP (n=40) with those of FVPTC (n=94) and encapsulated PTC (encap-PTC) (n=157). The NIFTP group showed benign findings on ultrasound significantly more frequently than the FVPTC group based on the Japan Society of Ultrasonics in Medicine criteria: a regular shape (p
ISSN:0918-8959