Imaging in Spine Surgery

Odontoid Hypoplasia/Aplasia

KEY FACTS Terminology Congenital small or absent odontoid process 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

Split Atlas

KEY FACTS Terminology Synonym: Split C1 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

Posterior Arch Rachischisis

KEY FACTS Terminology Synonym: Incomplete C1 posterior ring Definition: Posterior C1 arch is incompletely formed with midline or paramidline osseous defect(s) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If…

Condylus Tertius

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Paracondylar Process

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Ossiculum Terminale

KEY FACTS Terminology Synonym: Ossiculum terminale persistens Persistence of unfused odontoid tip ossification center into adulthood 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…

Ponticulus Posticus

KEY FACTS Terminology Latin: “Little posterior bridge” Synonyms: Arcuate foramen, sagittale foramen, canalis vertebralis, retroarticular canal, retroarticular/retrocondylar vertebral artery ring, upper retroarticular foramen, and atlantal posterior foramen You’re Reading a Preview Become a Clinical Tree membership for Full access and…

C1 Assimilation

KEY FACTS Terminology Synonyms: Atlantooccipital assimilation, atlantal assimilation, “occipitalization” Nonresegmentation of proatlas sclerotome → failure of C1 to correctly segment from occipital bone You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become…

C2-C3 Fusion

KEY FACTS Terminology Congenital C2-C3 vertebral segmentation failure 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

Pumps and Catheters

KEY FACTS Terminology Intrathecal baclofen (ITB) Intraspinal drug delivery (IDD) Malfunction or malposition of pump or catheter delivery system Pathology ITB used for treatment of spasticity Typically used in children with severe quadriplegic pattern cerebral palsy IDD system therapy widely…