Riedel's thyroiditis CT scan

Riedel's thyroiditis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Furqan M M. M.B.B.S[2]

Overview

CT scan may be helpful in the diagnosis of Riedel's thyroiditis. Findings on CT scan suggestive of Riedel's thyroiditis include hypodense infiltrative mass, invasion of nearby soft tissues, compression of the trachea, and esophageal compression.

CT scan

CT scan may be helpful in the diagnosis of Riedel's thyroiditis. Findings on CT scan suggestive of Riedel's thyroiditis include:

• Hypodense infiltrative mass
• Invasion of nearby soft tissues
• Esophageal and tracheal compression
• Decreased contrast enhancement

Riedel's thyroiditis CT scan showing mass encircling trachea and thyroid cartilage with invasion of bilateral tracheoesophageal groove and esophagus (A and B); Riedel's thyroiditis MRI demonstrating that thyroid mass was homogeneously hypo-intense on both T1- and T2-weighted images (C and D); Riedel's thyroiditis PET scan revealing that both thyroid lobes were diffusely enlarged and showed strong fluorodeoxyglucose uptake (E and F) Image courtesy of Gyu Young and Yong Sang Lee"A case of Riedel's thyroiditis".