Spinal nocardiosis: A rare tuberculosis mimic in an HIV infected patient.

Despite advances in treatment, human immunodeficiency virus/tuberculosis (HIV/TB) coinfection remains highly prevalent in selected low- and middle income countries. The diagnosis of tuberculosis frequently proves challenging in the setting of advanced HIV, as patients may present with atypical features. A high index of suspicion must be maintained for TB in this setting, but it is critical that alternative diagnoses are considered. A myriad of opportunistic infections may mimic TB and a definitive microbiological diagnosis prior to TB treatment should always be sought. We report on a case of a young, HIV positive male who presented with a delayed diagnosis of nocardiosis that was thought to be TB of the spine. Despite extensive laboratory and radiological investigations, the diagnosis was only made after tissue was cultured. Earlier diagnosis of this mimic would have led to appropriate therapy and may have improved the outcome for this patient.