Oncotarget

Clinical Research Papers:

Ultrasonographic characteristics of medullary thyroid carcinoma: a comparison with papillary thyroid carcinoma

Mei-juan Liu, Zhong-feng Liu, Yuan-yuan Hou, Yan-Ming Men, Yu-Xi Zhang, Ling-Yun Gao and Hao Liu _

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Oncotarget. 2017; 8:27520-27528. https://doi.org/10.18632/oncotarget.15897

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Abstract

Mei-juan Liu1,*, Zhong-feng Liu2,*, Yuan-yuan Hou3, Yan-Ming Men1, Yu-Xi Zhang1, Ling-Yun Gao1 and Hao Liu4

1 Department of Ultrasound, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, China

2 Department of Ultrasound, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, Shandong, China

3 Department of Obstetrics and Gynecology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, China

4 Department of Ultrasound, Yantai Hospital of Traditional Chinese Medicine, Yantai, Shandong, China

* These authors have contributed equally to this work

Correspondence to:

Hao Liu, email:

Keywords: medullary thyroid carcinoma; papillary thyroid carcinoma; ultrasound; diagnosis

Received: December 28, 2016 Accepted: February 20, 2017 Published: March 04, 2017

Abstract

This study was designed to explore differences in the ultrasonographic characteristics of medullary thyroid carcinoma (MTC) and papillary thyroid carcinoma (PTC). This study included 35 cases of MTC and 96 cases of PTC that were surgically and pathologically confirmed. Preoperative ultrasound images were retrospectively reviewed by two physicians (with 5 years’ experience in thyroid ultrasound) under the premise of unknown pathological results. Various ultrasonic features of nodules were assessed objectively. The clinical features of components were determined by other physicians. Age, sex, unilateral or bilateral involvement of thyroid gland, lesion size, margin, shape, echogenicity, calcification, intranodular blood flow, cervical lymph node, and tumor node metastasis (TNM) stage were compared between MTC and PTC groups. Age, sex, involvement of the thyroid gland, margin, and calcification were similar for the MTC and PTC groups. Compared with the PTC group, the lesion size in the MTC group was significantly larger (P < 0.001). A taller-than-wide shape (aspect ratio > 1) was significantly less likely in the MTC group than the PTC group (P < 0.001). A mixed echogenicity was significantly more common in the MTC group than the PTC group (P = 0.003). The MTC group had significantly enhanced intranodular blood flow (P < 0.001). The TNM stage of the MTC group was significantly higher than that of PTC group (P = 0.001). Medullary thyroid carcinomas differ significantly from PTCs in lesion size, shape, echogenicity, and intranodular blood flow.


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