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To evaluate the clinical utility of quantitative values obtained with bone single photon emission computed tomography/computed tomography (SPECT/CT) for primary bone neoplasms. Bone SPECT/CT scans of 23 patients with 19 benign bone neoplasms (5 osteoid osteomas, 4 bone giant cell tumor, 4 osteofibrous dysplasia, 3 intraosseous ganglion, 2 aneurysmal bone cyst, 1 intraosseous hemangioma) and 5 malignant bone neoplasms (2 osteosarcoma, 1 periosteal osteosarcoma, 1 malignancy in bone giant cell tumor, 1 Ewing sarcoma) were retrospectively analyzed with maximum standardized uptake value (SUVmax), peak SUV (SUVpeak), mean SUV (SUVmean), metabolic bone volume (MBV), and total bone uptake (TBU) of primary lesions. Mean SUVmax of 19 benign and 5 malignant primary bone neoplasms were 6.89±3.26 (range 3.9-15.13) and 10.31±3.19 (5.0-13.45) respectively, with statistically significant difference (P=0.048). Mean SUVpeak of those were 5.87±2.83 (range 3.5-13.63) and 9.18±3.05 (4.09-12.03) respectively, with statistically significant difference (P=0.032). Mean SUVmean of those were 4.43±2.11 (range 2.59-9.37) and 7.13±2.90 (3.3-10.42) respectively, with statistically significant difference (P=0.027). Mean MBV of those were 22.0±30.0 (range 2.47-110.61) and 27.8±39.94 (8.59-99.24) respectively, with no statistically significant difference (P=0.72). Mean TBU of those were 80.64±94.57 (range 10.50-373.57) and 166.60±203.97 (28.68-528.13) respectively, with no statistically significant difference (P=0.17). Quantitative values obtained with bone SPECT/CT may serve as osteoblastic biomarkers for primary bone neoplasm.

Citation

Kazuhiro Kitajima, Hiroyuki Futani, Hisashi Komoto, Tatsuya Tsuchitani, Yoshiyuki Takahashi, Toshiya Tachibana, Koichiro Yamakado. Quantitative bone SPECT/CT applications for primary bone neoplasms. Hellenic journal of nuclear medicine. 2021 Jan-Apr;24(1):36-44


PMID: 33866337

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