SSTR3 and meningioma: In this study, the prevalence of SSTR1–SSTR3 expressions based on PCR analysis in canine meningiomas was 100%, 100%, and 33%, respectively, which was similar to that observed in human meningiomas at 86%–93%, 79%–100% and 43%–60%, respectively (Arena et al., 2004; Dutour et al., 1998).