Myxoedema can have a variety of presentations, from mild cognitive impairment to psychosis, to overt coma. While majority of cases have primary hypothyroidism as the underlying aetiology, very few cases have central hypothyroidism. We report two patients who presented with myxoedema and were diagnosed with central hypothyroidism. A man in his 50s with a history of panhypopituitarism presented with hypotension, slurring of speech and psychosis that worsened to coma. He was initially treated as adrenal crisis, and on failing to improve he was later treated correctly as myxoedema coma. A woman in her 30s presented with bradykinesia and shock and was diagnosed with Sheehan’s syndrome based on hormonal and imaging features. Both patients improved with a loading dose of oral thyroxine and intravenous steroids. Central hypothyroidism presenting with myxoedema is often complicated by coexisting pituitary hormone deficiencies. A high index of suspicion is required for better treatment outcomes.
- Pituitary disorders
- Thyroid disease
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Contributors KKau and KKad were involved in writing the manuscript. NB was involved in patient care and collecting patient data. KS was involved in critically revising the manuscript. All authors approved the final version of the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.