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Elastography in Thyroid Nodules

2014-08-27 03:14:39 | BioPortfolio

Summary

Nodular goiter is a highly prevalent disease in iodine-deficient areas. Usually nodule assessment includes ultrasonography (US) and fine-needle aspiration (FNA), but some benign nodules can hardly be distinguished from carcinomas. Elastography measures tissue elasticity using sonography, as malignancy is related to stiffness of solid organs. The investigators have designed a study to evaluate the diagnostic accuracy of elastography in nodular goiter. Consecutive patients will be assessed using US, FNA and elastography; the latter will be compared with cytology. Specificity, sensitivity, and predictive values will be calculated.

Description

Aims:

Primary aim: to evaluate the diagnostic accuracy of elastography in thyroid nodules from a low-risk of thyroid cancer population.

Secondary aim: to evaluate the usefulness of elastography to detect carcinomas in thyroid nodules with indeterminate FNA.

Patient selection:

Inclusion criteria:

- Age > 18 yr.

- Recruitment in Endocrinology Clinics.

- Nodular goiter.

- Multinodular goiter with dominant nodule > 1 cm.

Exclusion criteria:

- Toxic nodules

- Non-accessible nodules to US or FNA

- Cystic nodules

- Nodules with calcifications in egg rind

- Contraindication for FNA

Study Design

Observational Model: Case Control, Time Perspective: Cross-Sectional

Conditions

Nodular Goiter

Intervention

Elastography

Location

Complejo Asistencial de León
León
Spain
24008

Status

Recruiting

Source

Castilla-León Health Service

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:14:39-0400

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Medical and Biotech [MESH] Definitions

A small circumscribed mass in the THYROID GLAND that can be of neoplastic growth or non-neoplastic abnormality. It lacks a well-defined capsule or glandular architecture. Thyroid nodules are often benign but can be malignant. The growth of nodules can lead to a multinodular goiter (GOITER, NODULAR).

Enlargement of the THYROID GLAND that may increase from about 20 grams to hundreds of grams in human adults. Goiter is observed in individuals with normal thyroid function (euthyroidism), thyroid deficiency (HYPOTHYROIDISM), or hormone overproduction (HYPERTHYROIDISM). Goiter may be congenital or acquired, sporadic or endemic (GOITER, ENDEMIC).

An enlarged THYROID GLAND containing multiple nodules (THYROID NODULE), usually resulting from recurrent thyroid HYPERPLASIA and involution over many years to produce the irregular enlargement. Multinodular goiters may be nontoxic or may induce THYROTOXICOSIS.

An enlarged THYROID GLAND with at least 50% of the gland situated behind the STERNUM. It is an unusual presentation of an intrathoracic goiter. Substernal goiters frequently cause compression on the TRACHEA leading to deviation, narrowing, and respiratory symptoms.

A form of IODINE deficiency disorders characterized by an enlargement of the THYROID GLAND in a significantly large fraction of a POPULATION GROUP. Endemic goiter is common in mountainous and iodine-deficient areas of the world where the DIET contains insufficient amount of iodine.

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