Otolaryngologist, head and neck surgeon Francis T. Hall discusses the evaluation of thyroid nodules, which primarily aims to determine the likelihood of malignancy. He then reviews the treatment of thyroid nodules and thyroid cancer, including recent advances in management
Vitamin B12 deficiency not uncommon
Vitamin B12 deficiency not uncommon

An elderly patient’s pancytopenia and severe anaemia raises the possibility of bone marrow malignancy, but her full lab results reveal other possible causes
Kia ora and welcome to New Zealand Doctor Rata Aotearoa
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1. Wickramasinghe S. Diagnosis of megaloblastic anaemias. Blood Rev 2006;20:299–318.
2. Dali-Youcef N, Andres E. An update on cobalamin deficiency in adults. Quart J Med 2009;102:17–28.
3. Schirier S. Diagnosis and treatment of B12 and folate deficiency. Aetiology and clinical manifestations of vitamin B12 and folate deficiency. UpToDate Online
4. Devalia V, Hamilton MS, Molloy AM. Guidelines for the diagnosis and treatment of cobalamin and folate disorders. Br J Haematol 2014;166:496–513.
5. Wong CW. Vitamin B12 deficiency in the elderly: Is it worth screening. Hong Kong Med J 2015;21(2):155–64.