BRAF and Miyoshi myopathy: In a first report from McArthur and colleagues, 18F-FDG PET/CT was applied for the early detection of response to the BRAF-inhibitor vemurafenib in 31 patients affected by advanced MM, previously tested as positive for BRAF-mutation through genetic analysis, who were submitted to PET/CT scan at baseline and 15 days after the start of targeted therapy [35].