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Washington University Experience | VASCULAR | Aneurysm - Infective (Mycotic) | 2B3 Aneurysm, mycotic (Case 2) 2X SMA 1 copy
A nearly sequential section to #2B2 stained immunohistochemically for smooth muscle actin highlights patchy remnants of smooth muscle within the vessel wall (arrow, SMA). Compare the small normal artery at arrowhead. (SMA IHC)
