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Researchers in Japan have developed a new, ultra-fast system (GeneSoc®-based rapid phenotyping system) that can detect key genetic mutations in brain tumors in under 25 minutes. Their research, recently published in Neuro-Oncology, showed that the system exhibits high diagnostic accuracy, with 98.5% sensitivity and 98.2% specificity for detection of ID1 mutations, as well as 100% sensitivity and specificity for detection of TERT promoter mutations. This system may not only be effective for assisting with rapid diagnosis, but also for detecting tumor boundaries intraoperatively. While clinical adoption of this type of technology may take time, this is a promising step forward.