Clinical value of ultrasonic imaging in diagnosis of hypopharyngeal cancer with cervical lymph node metastasis

Wang,Guzi; Li,Xiaoguang; Li,Li; Liu,Dayu; Sun,Ruijie; Zhang,Qiu; Geng,Chenchen; Gong,Haitong; Gao,Xiaoqian

doi:10.3892/ol.2019.10939

Clinical value of ultrasonic imaging in diagnosis of hypopharyngeal cancer with cervical lymph node metastasis

Authors:
- Guzi Wang
- Xiaoguang Li
- Li Li
- Dayu Liu
- Ruijie Sun
- Qiu Zhang
- Chenchen Geng
- Haitong Gong
- Xiaoqian Gao
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Affiliations: Department of Ultrasound, Qilu Hospital of Shandong University (Qingdao), Qingdao, Shandong 266035, P.R. China, Department of Head and Neck Surgery, Qilu Hospital of Shandong University (Qingdao), Qingdao, Shandong 266035, P.R. China
Published online on: September 30, 2019 https://doi.org/10.3892/ol.2019.10939
Pages: 5917-5922
Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Clinical value of ultrasonic imaging in diagnosis of hypopharyngeal cancer with cervical lymph node metastasis was investigated. Eighty‑nine patients who were diagnosed with hypopharyngeal cancer in Qilu Hospital of Shandong University (Qingdao) from January 2014 to June 2016 were retrospectively analyzed. Sixty‑eight patients were diagnosed with hypopharyngeal cancer with cervical lymph node metastasis by pathological sections. Twenty‑one patients did not have cervical lymph node metastasis. All the patients were diagnosed by palpation and ultrasound. The lymph node ultrasound images were quantified by computer, and the long/short diameter ratio, the maximum systolic velocity, blood flow resistance of the metastatic and non‑metastatic patients were compared. The diagnostic efficacy of palpation and ultrasound was analyzed in the diagnosis of hypopharyngeal cancer with cervical lymph node metastasis. A correlation analysis was carried out between the image features of ultrasound and lymph node metastasis. The long/short diameter ratio, maximum systolic velocity and resistance index of patients with lymph node metastasis were significantly higher than those without lymph node metastasis, with a significant difference (P<0.05). Forty‑one patients were diagnosed with lymph node metastasis by palpation, fifty‑nine patients were diagnosed with lymph node metastasis by ultrasound. The sensitivity and diagnostic coincidence rate of ultrasound in diagnosis of hypopharyngeal cancer with cervical lymph node metastasis were significantly higher than those of palpation (P<0.05). Statistically significant differences were observed in lymph node internal echo types, medullary echo characteristics, envelope definition, and blood flow distribution characteristics between the metastasis group and the non-metastasis group (P<0.05). Lymph node internal echo was heterogeneous. There was no medulla, and the disordered blood flow in the lymph node predicted lymph node metastasis. Preoperative ultrasound has a high diagnostic value in diagnosis of hypopharyngeal cancer with cervical lymph node metastasis. The diagnostic results of preoperative ultrasound can be used as a reference for the diagnosis and treatment of hypopharyngeal cancer with cervical lymph node metastasis.

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