Early-onset polyarthritis as presenting feature of intestinal infection with Strongyloides stercoralis.

association of UV with malignancy is unclear. It is thought that tumour-associated immune complexes may give rise to complement fixation in the vessel wall and subsequent development of an inflammatory process [6]. In exercise-induced UV it has been shown that mast cells are the first to be involved, with the activation and subsequent release of proinflammatory mediators, which precede the influx of eosinophils with their release of granule proteins and the influx of neutrophils with their release of proteolytic enzymes [8]. We hypothesize that deposits of immune complexes and complement fixation in the vessel wall sometimes need an additional event in order to elicit the initial influx of neutrophils, which are the final effector cells responsible for the vascular damage. The patient gave informed consent to the investigations that led to the diagnosis reported here, and written permission was given for this case to be reported.