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  2. Arthrogram - Wikipedia

    en.wikipedia.org/wiki/Arthrogram

    The needle is radiographically guided into the glenohumeral joint space, after which the patient is evaluated by fluoroscopy, CT or MRI. The gadolinium in the contrast fluid yields a bright signal on T1 weighted images allowing for better evaluation of the joint capsule, the articular surface of the bones and, in particular, the labral cartilage.

  3. Pyomyositis - Wikipedia

    en.wikipedia.org/wiki/Pyomyositis

    Transverse T2 magnetic resonance imaging section through the hip region showing abscess collection in a patient with pyomyositis. Specialty: Rheumatology Diagnostic method: Diagnostic method used for PM includes ultrasound, CT scan and MRI.

  4. Magnetic resonance imaging - Wikipedia

    en.wikipedia.org/wiki/Magnetic_resonance_imaging

    Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes inside the body. MRI scanners use strong magnetic fields , magnetic field gradients, and radio waves to generate images of the organs in the body.

  5. Femoroacetabular impingement - Wikipedia

    en.wikipedia.org/wiki/Femoroacetabular_impingement

    MRI imaging may follow, particularly if there is no specific evidence on radiographs, producing a three-dimensional reconstruction of the joint for better definition, to evaluate the hip cartilage, or measure hip socket angles (e.g. the alpha-angle as described by Nötzli [22] in 2-D and by Siebenrock in 3-D [23]).

  6. Occult fracture - Wikipedia

    en.wikipedia.org/wiki/Occult_fracture

    MRI signs of occult fractures are evident several weeks before radiographic signs appear. In the hip, a limited and cost-effective MR protocol, with only T1 weighted coronal images, may enable a reliable diagnosis or exclusion of occult fracture in very little time, for example, 7 minutes.

  7. Crescent sign - Wikipedia

    en.wikipedia.org/wiki/Crescent_sign

    A radiograph of a left hip joint, which reveals a thin, curvilinear lucent line parallel to the cortical margin of the femoral head, in a patient with avascular necrosis. In radiology , the crescent sign is a finding on conventional radiographs that is associated with avascular necrosis .

  8. Zona orbicularis - Wikipedia

    en.wikipedia.org/wiki/Zona_orbicularis

    The zona orbicularis and proximal hip joint capsule are poorly understood. Recent studies seem to confirm that the proximal to middle part of the articular capsule, including the zona orbicularis, acts biomechanically as a locking ring wrapped around the femoral neck and thus is a key structure for hip stability in distraction.

  9. Diffusion-weighted magnetic resonance imaging - Wikipedia

    en.wikipedia.org/wiki/Diffusion-weighted...

    Diffusion imaging is an MRI method that produces in vivo magnetic resonance images of biological tissues sensitized with the local characteristics of molecular diffusion, generally water (but other moieties can also be investigated using MR spectroscopic approaches). [15] MRI can be made sensitive to the motion of molecules.