Endocrine Abstracts

The differential diagnosis of post-partum thyrotoxicosis includes Graves' disease and post-partum thyroiditis(PPT). We present two cases which demonstrate the difficulty of interpreting 99mTc-pertechnetate scans in this setting. Case 1 is a 37 year-old lady who presented 5 months post-partum with a month history of palpitations, sweating and heat intolerance. Investigations revealed TSH < 0.01 mU/L, fT3 8.9 pmol/L (NR 10.5-22.7 pmol/L) and fT4 23.4 pmol/L (NR 3.5-6.5 pmol/)...