Endocrine Abstracts

We present a case of a 52-year-old man with a past medical history of primary hypothyroidism on treatment, presenting with elevated TSH levels, suggesting inadequate thyroxine (T4) replacement. The patient was managed with 200 μg of T4 for 14 years with no compliance issues. TSH levels failed to normalise despite increasing the dose of T4. In addition to elevated TSH levels the patient noted progressive leg swelling and associated shortnes...