NLRP3 and aneurysm: The aneurysm tissue had 14.1 (95% CI: 7.6–25.4) NLRP3+ cells per high-powered field compared to just 0.5 (95% CI: −0.7–1.7) cells/HPF in the healthy cerebral vessel control tissue (p = 0.01, n = 3–4 each) (Figure 1).