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Bone scan done to look for metastatic disease showed diffuse increased activity in L1–L4 vertebrae [Figure 5a and b]. A correlative CT revealed extensive degenerative changes with reduction in height of the vertebral bodies with no soft tissue component with extensive osteopenic changes in the vertebrae suggesting degenerative collapse ...
5 maj 2015 · Multiple lesions at likely sites of metastases are usually diagnostic. Lung, breast, prostate and renal cancers account for most bone metastases and over half of these metastases occur in the spine.
15 mar 2012 · 1. Introduction. Radioisotopes play an important role in the diagnosis of benign and malignant bone lesions. Whole-body bone scintigraphy (WBBS) with technetium-99m methylene diphosphonate (Tc-99m MDP) is widely available and commonly used to detect metastases from malignant tumors because it is more sensitive than X-rays and allows the whole body to be surveyed.
24 lis 2021 · We developed several functional imaging binary classification deep learning algorithms suitable for bone scans. The presence or absence of bone metastases as a reference standard was determined through a review of image reports by nuclear medicine physicians.
Metastatic bone disease (MBD) is common—it is detected in up to 65–75% of patients with breast or prostate cancer, in over 35% of patients with lung cancer; and almost all patients with symptomatic multiple myeloma have focal lesions or a diffuse bone marrow infiltration.
16 lut 2011 · The majority of tumors in the pelvis are malignant (metastases, myeloma, chondrosarcoma, Ewing-, osteo-, and MFH/fibrosarcoma), while those in the proximal femur are in majority benign (fibrous dysplasia, solitary bone cyst, and osteoid osteoma).
24 lis 2021 · We developed several functional imaging binary classification deep learning algorithms suitable for bone scans. The presence or absence of bone metastases as a reference standard was determined through a review of image reports by nuclear medicine physicians.
