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Thyroid Ultrasound

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https://www.readbyqxmd.com/read/28819755/importance-of-fna-technique-for-decreasing-non-diagnostic-rates-in-thyroid-nodules
#1
Amarbir S Gill, Richard Amdur, Arjun S Joshi
To identify potential interventions that may lower the high non-diagnostic rates associated with ultrasound guided (US) fine needle aspiration (FNA) biopsy of the thyroid nodule. A case series of 164 thyroid nodule US-guided FNA was identified retrospectively. The following variables were analyzed in regards to diagnostic and non-diagnostic sampling: patient age, gender, size of nodule, biopsy technique (capillary vs. aspiration), needle gauge (23 vs. 25), and physician experience. The FNA diagnosis, and final pathology, when applicable, was recorded for each sample using the Bethesda criteria...
August 17, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28811694/estimation-of-upper-limit-of-normal-for-serum-alanine-transaminase-in-healthy-south-indian-population
#2
Pazhanivel Mohan, Varun Sundar, Emmanuel Bhaskar, Syluvai Anthony
Alanine aminotransferase (ALT) is the most common and cost effective screening test for asymptomatic liver disease. There is paucity of data on normal ALT among healthy individuals in India. An observational cross sectional study was conducted from January to July 2013 to estimate the upper limit of normal for ALT in healthy south Indian population. Adults undergoing voluntary or pre-employment health screening were included. Those with current and past alcoholism or smoking, acute illness or hospitalization during preceding 12 months, non-steroidal anti-inflammatory or over the counter medication use within a month, current or past intake of herbal medications, any chronic medical illness, abnormal body mass index (BMI), fatty liver in ultrasound, abnormality in haemoglobin, platelet count, blood sugar, creatinine, lipid profile and thyroid function test and positive serology (Hepatitis B, C or HIV) were excluded...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28807450/role-of-contrast-enhanced-ultrasound-in-the-pre-operative-diagnosis-of-cervical-lymph-node-metastasis-in-patients-with-papillary-thyroid-carcinoma
#3
Yu-Rong Hong, Zhi-Yan Luo, Guo-Qiang Mo, Ping Wang, Qin Ye, Pin-Tong Huang
The objective of this study was to prospectively evaluate the diagnostic accuracy of contrast-enhanced ultrasonography (CEUS) in differentiating between benign and metastatic cervical lymph nodes in patients with papillary thyroid cancer (PTC). Three hundred nineteen cervical lymph nodes (162 metastatic from PTC and 157 benign) were evaluated using conventional ultrasonography (US) and CEUS before biopsy or surgery. Metastatic lymph nodes more often manifested centripetal or asynchronous perfusion, hyper-enhancement, heterogeneous enhancement, perfusion defects and ring-enhancing margins than benign lymph nodes at pre-operative CEUS (all p values < 0...
August 11, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28806247/glomus-tumor-of-the-neck-detected-with-99mtc-edda-hynic-toc
#4
Neva Girotto, Tatjana Bogović-Crnčić, Svjetlana Grbac-Ivanković, Petra Valković-Zujić
A 54-year-old woman was referred to thyroid evaluation because of a lump on the left side of the neck. Ultrasound exam did not show any thyroid abnormality, but highly perfused nodule at the left common carotid artery bifurcation was found. Because of the specific location, somatostatin receptor scintigraphy with Tc EDDA HYNIC-TOC was performed, starting with perfusion images and followed with SPECT/CT imaging at 2 and 4 hours. Well-perfused nodule with intensive accumulation and no other visible pathology in the body raised suspicion of a glomus tumor, consistent with MR exam performed later...
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28797186/ethanol-and-thermal-ablation-for-malignant-thyroid-tumours
#5
So Yeong Jeong, Jung Hwan Baek, Young Jun Choi, Jeong Hyun Lee
Papillary thyroid carcinoma (PTC) is the most common subtype of thyroid malignancy and has a good prognosis and low mortality rate. Surgery is the standard treatment for patients with primary and recurrent thyroid cancer. Although patients with PTC usually exhibit excellent treatment outcome, the incidence of recurrence in the neck ranges from 20% to 59%. When a patient with thyroid cancer is contraindicated for surgery, ultrasound (US)-guided ablation techniques, including ethanol ablation (EA) and thermal ablations, are suggested alternatives...
August 11, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28795453/validation-of-the-modified-4-tiered-categorization-system-through-comparison-with-the-5-tiered-categorization-system-of-the-2015-american-thyroid-association-guidelines-for-classifying-small-thyroid-nodules-on-ultrasound
#6
Ji Hye Lee, Kyunghwa Han, Eun-Kyung Kim, Hee Jung Moon, Jung Hyun Yoon, Vivian Y Park, Jin Young Kwak
BACKGROUND: The purpose of this study was to validate the modified 4-tiered categorization system and to compare stratification of malignancy risk in small thyroid nodules with the 2015 American Thyroid Association (ATA) management guidelines. METHODS: From January 2015 to December 2015, 737 thyroid nodules measured ≥ 1 cm and <2 cm were included in this study. Each nodule was assigned a category with the ultrasonographic patterns described by the 2015 ATA guidelines...
August 10, 2017: Head & Neck
https://www.readbyqxmd.com/read/28793806/the-percentage-of-serum-thyroglobulin-rise-in-the-first-week-did-not-predict-the-eventual-success-of-high-intensity-focussed-ablation-hifu-for-benign-thyroid-nodules
#7
Brian H H Lang, Yu Cho Woo, Keith W H Chiu
BACKGROUND: Given that high-intensity focussed ultrasound (HIFU) of benign thyroid nodules often causes a massive release of thyroglobulin (Tg) into the circulation, we hypothesised a greater initial Tg rise may result in a greater nodule shrinkage 6 months after ablation. METHODS: One hundred and five patients who underwent HIFU for symptomatic benign thyroid nodule from 2015 to 2016 were analysed. Serum Tg and anti-Tg autoantibody were checked on treatment day (baseline) and 4 d after treatment...
August 10, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28772313/multiparametric-ultrasound-of-thyroid-nodules-where-do-we-stand
#8
Vito Cantisani, Ferdinando D'Ambrosio, Michael Bachmann Nielsen
No abstract text is available yet for this article.
August 2017: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/28770232/the-association-between-type-2-diabetes-mellitus-and-thyroid-cancer
#9
Young-Gyun Seo, Ho-Chun Choi, Ah Reum An, Do Joon Park, Young Joo Park, Kyu Eun Lee, Sue K Park, Yunji Hwang, Belong Cho
AIM: The incidence of thyroid cancer is increasing worldwide. The prevalence of type 2 diabetes mellitus (T2DM) is also increasing. Therefore, we aimed to analyze the effect of T2DM on thyroid cancer. METHODS: A case-control study was performed. A total of 415 healthy controls with thyroid ultrasound screening and physician consultation were selected from the Thyroid Cancer Longitudinal Study (T-CALOS). Among patients with thyroid cancer who were enrolled in T-CALOS, 415 patients were matched to the control group according to age and sex...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28762196/ultrasound-image-based-thyroid-nodule-automatic-segmentation-using-convolutional-neural-networks
#10
Jinlian Ma, Fa Wu, Tian'an Jiang, Qiyu Zhao, Dexing Kong
PURPOSE: Delineation of thyroid nodule boundaries from ultrasound images plays an important role in calculation of clinical indices and diagnosis of thyroid diseases. However, it is challenging for accurate and automatic segmentation of thyroid nodules because of their heterogeneous appearance and components similar to the background. In this study, we employ a deep convolutional neural network (CNN) to automatically segment thyroid nodules from ultrasound images. METHODS: Our CNN-based method formulates a thyroid nodule segmentation problem as a patch classification task, where the relationship among patches is ignored...
July 31, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28761147/cytologically-indeterminate-thyroid-nodules-increased-diagnostic-performance-with-combination-of-us-ti-rads-and-a-new-scoring-system
#11
Ya-Ping He, Hui-Xiong Xu, Chong-Ke Zhao, Li-Ping Sun, Xiao-Long Li, Wen-Wen Yue, Le-Hang Guo, Dan Wang, Wei-Wei Ren, Qiao Wang, Shen Qu
To investigate the diagnostic performance of combination of ultrasound (US) thyroid imaging reporting and data system (TI-RADS) and a new US scoring system for diagnosing thyroid nodules (TNs) with indeterminate results (Bethesda categories III, IV and V) on fine-needle aspiration (FNA) cytology. 453 patients with 453 cytologically indeterminate TNs were included in this study. Multivariate analyses were performed to construct the scoring system. The diagnostic performances of TI-RADS and the combined method were evaluated and compared...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28760234/thyroid-cancer-ultrasound-imaging-and-fine-needle-aspiration-biopsy
#12
REVIEW
Michelle Melany, Sardius Chen
Ultrasound is critical in detection, diagnosis, and management of thyroid nodules. Ultrasound detection of regional nodal metastatic disease is based on abnormal nodal morphology rather than size and is critical to initial surgical and long-term management of thyroid cancer. Fine-needle aspiration biopsy is the gold standard for malignancy diagnosis in thyroid cancer. Thyroglobulin assay of nodal aspirates improves accuracy in diagnosis of metastases. Reporting lexicons assign risk levels to thyroid nodules with the goal of improving and standardizing patient management...
September 2017: Endocrinology and Metabolism Clinics of North America
https://www.readbyqxmd.com/read/28759963/nondiagnostic-cytological-results-on-ultrasound-guided-fine-needle-aspiration-does-the-thyroid-nodule-depth-matter
#13
Jia-Jing Xia, Meng-Sen Li, Li Zhen, You-Zhen Shi
OBJECTIVE: To evaluate whether thyroid nodule depth and other ultrasound features can predict nondiagnostic cytological results on ultrasound-guided fine needle aspiration. MATERIAL AND METHODS: This retrospective study included 412 thyroid nodules that underwent ultrasound-guided fine needle aspiration from 2014 to 2015. The nodules were classified as nondiagnostic and diagnostic by the cytopathological results. Clinical information of the patients (ie., age, sex) and ultrasound features (ie...
July 25, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28756810/serum-thyroglobulin-a-sensitive-biomarker-of-iodine-nutrition-status-and-affected-by-thyroid-abnormalities-and-disease-in-adult-populations
#14
Yang DU, Yan Hui Gao, Zhuo Ying Feng, Fan Gang Meng, Li Jun Fan, Dian Jun Sun
OBJECTIVE: To evaluate the usefulness of the thyroglobulin (Tg) level in adults as a nutritional biomarker of iodine status and to identify the factors related to the serum Tg level. METHODS: A cross-sectional study was conducted in adult populations of areas differing in iodine nutrition from three provinces (Autonomous Region) in China. Serum levels of thyroid hormones and Tg as well as thyroid autoantibodies were measured. The thyroid volume and nodule were measured by ultrasound...
July 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28751724/values-of-ultrasound-features-and-mmp-9-of-papillary-thyroid-carcinoma-in-predicting-cervical-lymph-node-metastases
#15
Yan Zhang, Yu-Kun Luo, Ming-Bo Zhang, Jie Li, Chang-Tian Li, Jie Tang, Jun-Lai Li
Preoperative assessment of the cervical lymph node status is important in therapeutic schedule and further evaluations of prognosis for papillary thyroid carcinoma (PTC) patients. Our aim was to investigate the diagnostic values of conventional ultrasound (US), contrast-enhanced ultrasound (CEUS) features and the expression of MMP-9 of PTC in predicting the cervical lymph node metastases (LNM). In total, 156 patients with PTC confirmed by surgical pathology were included. Seventy-one patients had cervical LNM, while 85 patients had no LNM...
July 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28748505/comparison-of-consecutive-results-from-fine-needle-aspiration-and-core-needle-biopsy-in-thyroid-nodules
#16
Soon-Hyun Ahn, So-Yeon Park, Sang Il Choi
There are papers suggesting the complementary role of core needle biopsy (CNB) in the diagnosis of thyroid nodules. By comparing the result of CNB and fine needle aspiration (FNA) cytology performed in consecutive cases of thyroid nodules, the role of CNB was evaluated. Retrospective reviews of 2131 FNA and 275 CNB which were performed as first-line biopsy for 2406 thyroid nodules in 2187 patients were performed. The ultrasound (US) feature of thyroid nodule was classified following the risk of malignancy suggested by American Thyroid Association (ATA) guideline...
July 26, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28746753/letter-to-the-editor-reply-to-ultrasonography-and-cytology-as-predictors-of-noninvasive-follicular-thyroid-niftp-neoplasm-with-papillary-like-nuclear-features-importance-of-the-differential-diagnosis-with-the-invasive-encapsulated-follicular-variant-of-papillary
#17
Jung Hee Shin
As Dr. Rosario pointed out, it might be more useful to differentiate NIFTP from invasive encapsulated follicular variant of papillary thyroid carcinoma (iE-FVPTC), not from infiltrative FVPTC (I-FVPTC) in clinical setting since infiltrative FVPTCs show overt malignant US features more frequently. However, in the previous study, we attempted to describe the characteristic ultrasound (US) features and diagnostic method of NIFTP specifically. This article is protected by copyright. All rights reserved.
July 26, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28740961/isolated-thyroid-metastasis-from-renal-cell-carcinoma
#18
Ali Solmaz, Ali Muhammedoğlu, Serdar Altınay, Candaş Erçetin, Erkan Yavuz, Osman Bilgin Gülçiçek, Şenay Yalçın, Yeşim Erbil
Metastatic neoplasms of the thyroid are uncommon when compared to primary tumors of the gland. Renal cell carcinoma (RCC) is a highly aggressive tumor of the urinary system. It can spread all over the body. Isolated solitary metastases of RCC to the thyroid are very rarely observed. A 64-year-old woman with a history of left radical nephrectomy for RCC, was referred to our clinic with palpable thyroid nodule. Ultrasound confirmed the nodule on the left lobe. Histopathological examination of the thyroidectomy specimen revealed that there were two solitary metastasis of RCC...
2017: Turk J Surg
https://www.readbyqxmd.com/read/28736947/intraobserver-and-interobserver-variability-in-ultrasound-measurements-of-thyroid-nodules
#19
Hyung Jin Lee, Dae Young Yoon, Young Lan Seo, Jin Ho Kim, Sora Baek, Kyoung Ja Lim, Young Kwon Cho, Eun Joo Yun
OBJECTIVES: The purpose of this study was to assess the intraobserver and interobserver variability in ultrasound (US) measurements of thyroid nodules. METHODS: We performed a prospective study of the US examinations of 73 patients with 122 thyroid nodules greater than 5 mm in size. Ultrasound measurements in 4 dimensions (anteroposterior, transverse, longitudinal, and maximum diameters) and measurement of the estimated volume (using the ellipsoid formula) of each thyroid nodule were performed twice by 2 independent radiologists (A and B, with 10 years and 6 months of experience, respectively)...
July 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28734572/experience-of-the-implementation-of-rapid-on-site-evaluation-in-ultrasound-guided-fine-needle-aspiration-biopsy-of-thyroid-nodules
#20
Flor Marina Medina Chamorro, José Abella Calle, Juliana Escobar Stein, Lina Merchancano, Andrés Mauricio Mendoza Briñez, Andrés Arturo Pulido Wilches
OBJECTIVE: To evaluate the effect of the implementation of the rapid on-site evaluation (ROSE) technique in ultrasound-guided fine-needle aspiration biopsy of thyroid nodules. MATERIALS AND METHODS: We conducted an observational and retrospective study approved by the Institutional Ethics Committee as an investigation without risk. Between January 2012 and December 2015, 892 ultrasound-guided fine-needle aspiration biopsy procedures were performed under ultrasound guidance...
June 27, 2017: Current Problems in Diagnostic Radiology
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