Polyarteritis nodosa is one of the connective tissue diseases affecting the blood vessels. Systemic necrosis of the medium and small sized arteries is the main pathological process leading to neurological, renal, dermatological and GI symptoms. Polyarteritis nodosa usually spares the lungs and is negative for ANCA.
Learn more about PAN in this course!
The way the cases are worked through is really good. explaining each differential is something not many people do and works really well