Case Report: De Quervain’s Thyroiditis as a Long-Term Sequelae Complication to SARS-CoV-2 Infection

A 44-year-old man presented with an enlarged painful lower anterior neck lump elevated serum concentrations of free thyroxine (T4) and tri-iodothyronine (T3), alongside the presence antithyroid peroxidase antibodies. Prior to presentation, patient was demonstrating recovery from a SARS-CoV-2 infection that required sedation, intubation, invasive ventilation in intensive care unit (ICU) for 11 days. Ultrasound examination thyroid demonstrated features De Quervain’s (subacute) thyroiditis. This corresponded clinical picture, continuous function tests were arranged. Emerging evidence throughout pandemic describes long-term sequelae infection, including developing atypical effects on gland. case report emphasises association subacute thyroiditis post-viral its manifestation during severe SARS-CoV-2, suggesting follow-up testing should be considered patients discharged ICU who develop discomfort.