“…Because many studies report on the presence of both bone marrow and bone metastases detected on different imaging methods, such as metaiodobenzylguanidine (MIBG) scintigraphy, computed tomography (CT), magnetic resonance imaging (MRI), bone scintigraphy, like Technetium-99m-methylene diphosphanate ( 99m Tc-MDP) scintigraphy, and fluorine-18-fluorodeoxy-glucose positron emission tomography ( 18 F-FDG-PET) [7,13,14], we wondered what definitions were used in these papers.…”