Endocrine Abstracts

A 54-year-old female presented to the neurologist in December 2017 with neuromuscular right arm weakness, lethargy and fascial swelling. She had a normal MRI head before being referred to the endocrine clinic with a TSH >125 mIU/l (0.27–4.2 mIU/l). Free T4 was 0.3 pmol/l (12.0–22.0) with a free T3 of <0.4 pmol/l (3.1–6.8). The thyroglobulin antibody was 1366 IU/ml (0–115) with a normal thyroid peroxidase level (TPO) 29.7 (0–34). No previous thy...