Polyarteritis nodosa

Case contributed by Levon Davtyan
Diagnosis probable


Churg-Strauss syndrome?

Patient Data

Age: 50 years
Gender: Male

Aneurysmal dilatations of intrahepatic and cystic arteries up to 7 mm. Also, there are microaneurysms in the kidneys (mostly including interlobar arteries),  in the pancreatic head and mesentery.

Gallbladder stones without signs of cholecystitis. Renal pelvis stones. The lungs are clear.

Annotated image

Intrahepatic artery microaneurysm (green arrow).
Renal artery microaneurysm (red arrow).
Pancreatic head artery microaneurysm (blue arrow).

Case Discussion

Multiple microaneurysms of intrahepatic, cystic, renal, pancreatic, and mesenteric arteries and unremarkable lungs (lung studies are not shown) suggest the diagnosis of polyarteritis nodosa, not Churg-Strauss syndrome.

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