Further investigation via oesophageogastroduedenoscopy revealed a large gastric ulcer ... of the stomach and duodenum showed plasma cell infiltration with a large proportion being IgG4 positive.
One had thrombophlebitis, digital vasculitis, perianal fistula, and paracolic abscess; the other had conjunctivitis and an ulcer in the natal cleft. Treatment with prednisolone, methyl prednisolone, ...