Table 3.
Results of thyroid-specific imaging in the 27 included patients.
| Year | N. | Ref | Ultrasound | US typical for SAT | Scintigraphy |
|---|---|---|---|---|---|
| 2020 | 1 | (32) | Enlarged thyroid with heterogeneous echotexture | NO | Reduced uptake |
| 2020 | 2 | (25) | Increased vascularity, heterogeneous parenchyma | NO | N/A |
| 2020 | 3 | (16) | Multiple, diffuse hypoechoic areas | YES | N/A |
| 2020 | 4 | (17) | Enlarged thyroid gland with multiple hypoechoic areas and absent vascularization at color Doppler | YES | N/A |
| 2020 | 5 | (17) | Increased thyroid volume with bilateral diffuse hypoechoic areas and absent vascularization at color Doppler ultrasonography | YES | No uptake |
| 2020 | 6 | (17) | Increased thyroid volume (25 ml) with bilateral diffuse hypoechoic areas | YES | N/A |
| 2020 | 7 | (17) | Increased thyroid volume (18 ml) with bilateral diffuse hypoechoic areas and absent to mild vascularization at color Doppler ultrasonography | YES | N/A |
| 2020 | 8 | (28) | N/A | No uptake | |
| 2020 | 9 | (39) | Diffuse bilateral enlargement of thyroid with hypoechogenicity and increased vascularity on color Doppler | YES | Reduced uptake |
| 2021 | 10 | (29) | Diffusely heterogeneous echotexture | NO | N/A |
| 2021 | 11 | (37) | Bilateral ill-defined hypoechoic areas | YES | N/A |
| 2021 | 12 | (34) | Patchy areas of variably-reduced parenchymal echogenicity bilaterally | YES | Reduced uptake |
| 2020 | 13 | (38) | Enlarged hypoechoic thyroid, decreased vascularity | YES | No uptake |
| 2021 | 14 | (36) | Heterogeneous thyroid gland with bilateral patchy ill-defined hypoechoic areas | YES | N/A |
| 2021 | 15 | (41) | Mildly enlarged thyroid gland with no increased vascularity and 5-mm bilateral cysts | NO | N/A |
| 2020 | 16 | (27) | Enlarged thyroid gland with heterogeneous echotexture; hypoechoic areas with ill-defined margins corresponding to the hard regions palpable. Reduced blood flow in both lobes | YES | N/A |
| 2020 | 17 | (33) | N/A | N/A | |
| 2020 | 18 | (30) | N/A | No uptake | |
| 2020 | 19 | (26) | Diffusely enlarged and hypoechogenic thyroid gland. | YES | Reduced uptake |
| 2021 | 20 | (40) | Enlarged heterogeneously hypoechoic left lobe of thyroid and isthmus with normal vascularity, and bulky right lobe of thyroid with few ill-defined hypoechoic areas which suggestive of thyroiditis. | YES | No uptake |
| 2020 | 21 | (31) | Slightly enlarged right thyroid lobe, with ill-defined hypoechogenicity and normal vascularity in both lobes | YES | N/A |
| 2021 | 22 | (35) | Hypoechoic areas | YES | N/A |
| 2021 | 23 | (35) | Hypoechoic areas | YES | N/A |
| 2021 | 24 | (35) | Hypoechoic areas | YES | N/A |
| 2021 | 25 | (35) | Hypoechoic areas | YES | N/A |
| 2021 | 26 | (35) | Hypoechoic areas | YES | N/A |
| 2021 | 27 | (35) | Hypoechoic areas | YES | N/A |
N/A, not available; US, ultrasound.