MUSCULOSKELETAL IMAGING

Nerve Sheath Tumors

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Nerve Sheath Tumors

Nerve Sheath Tumors KEY FACTS Terminology • Tumor arising from nerve; histologically classified as either schwannoma or neurofibroma • 3 types of neurofibroma: Localized, diffuse, and plexiform Imaging • Any peripheral nerve can…

read more

Ganglion Cyst

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Ganglion Cyst

Ganglion Cyst KEY FACTS Imaging • Fluid-filled mass with stalk extending toward joint • Ovoid or irregular configuration with stalk connecting to joint of origin  Elongated neck allows cyst to surface at…

read more

Bursitis

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Bursitis

Bursitis KEY FACTS Terminology • Bursitis: Inflammation of lining of bursa Imaging • Majority of bursae are not visible on US unless distended with fluid or proliferative synovial tissue • Acute bursitis: Thin-walled…

read more

Inflammatory Arthritis

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Inflammatory Arthritis

Inflammatory Arthritis KEY FACTS Terminology • Systemic autoimmune inflammatory disorders of synovium with secondary involvement of articular surface and bone • Spondyloarthropathy associated with enthesitis Imaging • Thickened hyperemic synovium • Any synovial-lined joint…

read more

Joint Injection: Upper Limb

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Joint Injection: Upper Limb

Joint Injection: Upper Limb KEY FACTS Procedure • Glenohumeral joint injection  Anterior (rotator interval) or posterior approach – Anterior approach preferable  Less painful & more comfortable position for patient  Needle tip positioned…

read more

Bone Infection

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Bone Infection

Bone Infection KEY FACTS Imaging • Periosteal thickening and hyperemia with juxtacortical edema • US can depict outer cortical, periosteal, and extraosseous changes  Periosteal thickening  ± juxtacortical soft tissue edema and hyperemia…

read more

Rotator Cuff/Biceps Tendinosis

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Rotator Cuff/Biceps Tendinosis

Rotator Cuff/Biceps Tendinosis KEY FACTS Terminology • Collagenous degeneration of rotator cuff ± biceps tendons with proteoglycan deposition Imaging • Supraspinatus > subscapularis, biceps and infraspinatus • Subclinical tendinosis very common and usually…

read more

Muscle Injury

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Muscle Injury

Muscle Injury KEY FACTS Terminology • Contusion : Direct blunt compressive trauma to muscle without definable tear • Tear : Discontinuity of muscle fibers typically at myofascial or myotendinous junction • Hernia :…

read more

Baker Cyst

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Baker Cyst

Baker Cyst KEY FACTS Imaging • Fluid-filled sac with neck arising from interspace between medial gastrocnemius muscle & semimembranosus tendon  Cyst must have neck emerging from gastrocnemius muscle and semimembranosus tendon…

read more

Gout and Pseudogout

Apr 9, 2020 by in MUSCULOSKELETAL IMAGING Comments Off on Gout and Pseudogout

Gout and Pseudogout KEY FACTS Terminology • Inflammatory arthropathy due to urate crystal deposition (gout) or calcium pyrophosphate dihydrate (CPPD) crystal deposition (pseudogout) Imaging • US signs usually specific enough to make…

read more
Premium Wordpress Themes by UFO Themes