Table 1.
Clinical characteristics and laboratory results at the subacute thyroiditis (SAT) diagnosis.
| Analyzed Parameter | MO | KO | DO |
|---|---|---|---|
| Gender | Male | Female | Female |
| SAT diagnosis date | October 2016 | June 2017 | August 2017 |
| TSH (n: 0.27–4.2 mIU/L) | 0.01 | 1.07 | 0.01 |
| FT3 (n: 2.6–4.4 pg/mL) | 5.64 | 3.27 | 7.78 |
| FT4 (n: 0.93–1.7 ng/dL) | 2.43 | 1.17 | 3.02 |
| aTPO (n: < 34 IU/mL) | 7.25 | 13.06 | 8.36 |
| aTg (n: < 115 IU/mL) | 10 | 114.5 | 73.02 |
| TRAb (n: < 1.75 IU/mL) | 0.56 | 5.38 | 0.48 |
| ESR (n: < 12 mm/h) | 93 | 44 | 84 |
| CRP (n: < 1 mg/dL) | 8.11 | 1.1 | 3.91 |
| Neck pain | yes | yes | yes |
| Fever | yes | yes | yes |
| Sonographic pattern | Several hypoechoic areas | Several hypoechoic areas | Several hypoechoic areas |
| Preceding infection | no | yes | no |
| Antibiotic treatment before SAT diagnosis |
no | yes (azitromicin) | no |
| Recurrence | no | Yes—3 episodes | no |
| Living together | no | yes | yes |
The laboratory results out of the normal range are presented in bold. Abbreviations: aTg, thyroglobulin antibodies; aTPO, thyroid peroxidase antibodies; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; FT3, free triiodothyronine; FT4, free thyroxine; n, normal values; TRAb, thyrotropin receptor antibodies, TSH, thyrotropin. MO: a 34-year-old male, DO: MO’s 31-year-old sister, KO: DO’s twin-sister.