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What is A 26 years old man came with complaints of pain in abdomen with few episodes of haematuria. On examination, patient's BP is 160/100 mm of Hg. Patient is refractory to standard antihypeensive drugs. On renal Doppler, parvus tardus pattern was seen. Subsequently, CT renal angiogram was done. This condition as shown below may occur in all of the following except? and explain in detail?
Among the option provided, renal aery stenosis is least likely to be seen in PAN. Causes of renal aery stenosis- Atherosclerosis, FMD, takayasu aeritis, non-specific aoo-aeritis, APLA, renal aery embolism.