title: Photopenic lesions in bone scintigraphy.
abstract: Three cases with photopenic lesions on bone scintigraphy due to metastases from osteogenic sarcoma are presented.
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D002648:Child; D006801:Humans; D008297:Male; D012516:Osteosarcoma / Q000000981:diagnostic imaging / Q000556:secondary*; D011877:Radionuclide Imaging; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary; D013628:Talus; D013904:Thoracic Vertebrae