23rd May 2025

A 40-year-old man presents with worsening swelling of the thyroid gland over the past year with some neck tightness.

A 40-year-old man presents with worsening swelling of the thyroid gland over the past year with some neck tightness. He denies any thyroid hypo- or hyper-function manifestations. On examination, a non-tender thyroid gland swelling feels very hard in consistency. No lymph nodes are palpable. On further questioning, the patient admits having vague abdominal pain in the last 4 months and repeated urine infections. Given the above clinical presentation, what is the most likely diagnosis?

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