“…It was suggested that the latter picture might be considered a healed form of the microscopical type of polyarteritis of Davson et al Arteritic changes in the pancreas and adrenal supported this. A recent case of Wegener's syndrome described by Thomas (1958) concerned a 40-year-old man who had scattered haemorrhages in the lung, areas of lung containing iron-filled macrophages, and acute arteritis in small lung blood vessels. The kidneys showed a necrotizing focal glomerulonephritis.…”