KEY FACTS Imaging Erosions of dens, uncovertebral joints, facet joints Atlantoaxial instability in 20-86% patients with rheumatoid arthritis (RA) Atlantoaxial subluxation in 5% of cervical RA Cranial settling occurs in 5-8% of RA patients Lower cervical spine: Facet and uncovertebral…
KEY FACTS Terminology Defects in pars interarticularis thought to result from repetitive stress injury Pars is junction of pedicle, lamina, and facet Imaging Most common at L5: 80-90% Discontinuity in neck of “Scotty dog” on oblique plain films Elongation of…
KEY FACTS Terminology Calcium pyrophosphate dihydrate deposition disease (CPPD); articular chondrocalcinosis Crowned dens syndrome: Fever with cervicooccipital junction pain, stiffness with associated calcification of transverse ligament and nonenhancing retroodontoid soft tissue; associated with CPPD or hydroxyapatite deposition Pseudogout: Arthritis caused…
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KEY FACTS You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Juvenile kyphosis, Scheuermann kyphosis Kyphosis secondary to multiple Schmorl nodes → vertebral body wedging You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member.…