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A man in his 70s presented with a history of low glycated haemoglobin (HbA1c) values despite a diagnosis of type 2 diabetes. His blood glucose readings ranged between 8 and 15 mmol/L, but his HbA1c values were below 27 mmol/mol. Initial investigations demonstrated evidence of reduced red blood cell lifespan as a cause of misleadingly low HbA1c values. Further investigation revealed chronic liver disease and splenomegaly, with hypersplenism being the probable cause of increased red blood cell turnover. HbA1c estimation was no longer reliable, so ongoing diabetic care was guided by home capillary blood glucose monitoring. Healthcare providers and clinical laboratorians need to be aware of the possible clinical implications of very low HbA1c values in patients with type 2 diabetes.

Treatment with immune checkpoint inhibitors has improved the prognosis of solid tumors. However, immune-related adverse events (IRAEs), including exacerbation of pre-existing autoimmune disease, are common and have become more frequent with combination therapy. The literature is scanty regarding reports of the use of combination immune checkpoint therapy in patients with pre-existing autoimmune hypothyroidism. We report a case of a man with a history of hypothyroidism, who developed transient thyroiditis, characterized by a thyrotoxic phase followed by a severe hypothyroid phase soon after receiving combination therapy (nivolumab and ipilimumab) for the treatment of a malignant pleural mesothelioma. He had been on a stable low dose of levothyroxine for 12 years prior to this episode. His levothyroxine requirement markedly increased soon after the episode of immune checkpoint inhibitor-induced thyroiditis. Immune checkpoint inhibitors can cause destructive thyroiditis followed by exacerbation of hypothyroidism in patients with pre-existing autoimmune hypothyroidism, such that patients end up on a higher dose of levothyroxine. This case will add to the growing literature regarding thyroid IRAEs associated with the use of immune checkpoint inhibitors in patients with pre-existing autoimmune thyroid disease.

Okamura and Higa highlight innovative applications such as audiographic software and video exchange at the University of Guam, medical technology training through the University of Hawaii; and American Samoa's Distance Education, Learning, and Telehealth Applications Consortium. Policymakers seem unwilling to give resources for educational technology; educators seem unsure of how to use programming; and administrators seem unable to provide leadership for infrastructures and logistical support. Crocombe describes new trends in distance education and sees diversity as of primary importance, including diversity in institutions offering courses (business, religious, and edu cational); frameworks for academic standards (varying with metropolitan influences); and formats of delivery (print-based, electronic media).