Spontaneous recovery of immune checkpoint inhibitor‐induced thyroiditis with high free T4 level: A case report

Abstract

Abstract We describe a case of severe hyperthyroidism with high free thyroxine and C‐reactive protein levels, wherein thyroid function rapidly improved without treatment. In a similar case, conservative management with imaging follow‐up can be considered.

Keywords

• high CRP level
• high free T4 level
• immune checkpoint inhibitors (ICI)
• thyroiditis
• without steroids