<prompt> Thyrotoxicosis patients with least radio iodide uptake seen in:Toxic adenomaGraves diseaseMNGSub - acute thyroiditis  <response>: Sub-acute thyroiditis or de Quervain thyroiditis is an uncommon condition, yet is considered the most common cause of painful thyroiditis. Disease is thought to have a viral origin, Has the least radioactive iodine uptake. RAIU in other diseases: 