Onset of psoriatic arthritis associated with multiple wasp stings

Hymenoptera stings have been incriminated as a cause of beekeeper's arthritis, a form of arthritis closely mimicking osteoarthritis. Inflammatory mediators in Hymenoptera venom, such as mastoparan, may activate phospholipase A2 (PLA2), which could contribute to the development of psoriatic arthritis (PsA). However, there are no documented cases of Hymenoptera stings associated with the onset of PsA. We present a case of multiple wasp stings temporally associated with the onset of PsA in a 46-year-old man.

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