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Twenty-five years after the emergence of powerful molecular recognition elements known as aptamers, these synthetic receptors are finding applications in therapeutics, imaging, diagnostics and biosensors. Comparisons have been drawn between aptamers and antibodies since their earliest days. This review will highlight how some of the most promising and successful aptamer-based applications have exploited the advantages aptamers have over their antibody counterparts and will point to future applications of this enabling technology.

Brodie’s abscess is a subacute form of osteomyelitis which generally occurs in the metaphysis of the femur and tibia in the pediatric population. Pathogens are most commonly Gram-positive bacteria, notably Staphylococcus and Streptococcus. In this article, we describe a young pediatric patient presenting with subacute ankle pain with a subsequent diagnosis of Brodie’s abscess of the talus secondary to Morganella morganii. We review the presentation, diagnosis, and treatment of this unique patient. To our knowledge, this is the first report of Morganella morganii as a cause of Brodie’s abscess.