MRI

MRI

Is better than C T scan for combined detection, localization, determination of malignant bone tumor extension., M. R. I. characterized by multiplane imaging capabilities.

Magnetic resonance imaging is the best imaging modality for the evaluation of a soft-tissue mass or the extent of soft-tissue or bone-marrow involvement by a bone tumor. Magnetic resonance imaging demonstrates the extra-osseous and intra-osseous extent of a bone tumor as well as the involvement of a joint. It also detects skip metastases, which are defined as neoplastic foci that are located at a distance from the principal tumor mass but are contiguous in the same anatomical compartment. Magnetic resonance imaging demonstrates the depth, size, and local extent of soft tissue masses as well as their relationship to the surrounding neurovascular structures.

Magnetic resonance angiography uses flow-dependent pulse sequences to produce images of blood flow without the need for a contrast injection. Its usual clinical role is to produce images for surgical planning, but it an also be used to evaluate tumor angiogenesis.

MRI
showing Chondrosarcoma with extensive soft tissue
extension in the axilla
MRI
showing Anuerysmal bone cyst of the distal femur

Osteosarcoma of the distal femur with extensive soft
tissue mass
MRI
showing simple bone cyst of the proximal humerus

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