FALSE statement about polyaeritis nodosa (PAN) is:
It is a necrotizing vasculitis of small and medium-sized muscular aeries
Involvement of the renal and visceral aeries is characteristic.
PAN does not involve pulmonary aeries and bronchial vessels
Granulomas, significant eosinophilia, and are not observed.
Polyaeritis nodosa (PAN) It is a multisystem, necrotizing vasculitis of small and medium-sized muscular aeries. Involvement of the renal and visceral aeries is characteristic. PAN does not involve pulmonary aeries, although bronchial vessels may be involved; Granulomas, significant eosinophilia, and an allergic diathesis are not observed. Ref: Harrisons principles of internal medicine, 18th edition, Page: 2794.