Odontoid process fractures

Behandlung

einer instabilen Densfraktur: Spondylodese HWK 1 / 2 mit dorsalem Fixateur interne. Die Pedikelschrauben sind gekreuzt eingebracht. Der hintere Atlasbogen wird von den Klammern umfasst. Zusätzlich Spongiosamaterial angelagert.

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Odontoid

fracture • Odontoid fracture - type III - Ganzer Fall bei Radiopaedia

Stanislavsky A, Odontoid fracture - type III. Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-12233 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Odontoid fracture and incudomalleolar disruption - Ganzer Fall bei Radiopaedia

Ashraf A, Odontoid fracture and incudomalleolar disruption. Case study, Radiopaedia.org (Accessed on 17 Apr 2024) https://doi.org/10.53347/rID-171518 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Odontoid process fracture - Ganzer Fall bei Radiopaedia

Niknejad M, Odontoid process fracture. Case study, Radiopaedia.org (Accessed on 17 Apr 2024) https://doi.org/10.53347/rID-179516 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Chronic dens fracture - Ganzer Fall bei Radiopaedia

Thibodeau R, Chronic dens fracture. Case study, Radiopaedia.org (Accessed on 17 Apr 2024) https://doi.org/10.53347/rID-175099 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Odontoid fracture - Ganzer Fall bei Radiopaedia

Niknejad M, Odontoid fracture. Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-60405 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Odontoid (peg) fracture - Ganzer Fall bei Radiopaedia

Abdullah T, Odontoid (peg) fracture. Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-58030 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • C1 and C2 (peg) fractures - Ganzer Fall bei Radiopaedia

Bickle I, C1 and C2 (peg) fractures. Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-36618 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Odontoid fracture (type II) - Ganzer Fall bei Radiopaedia

Salam H, Odontoid fracture (type II). Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-9137 • CC by-nc-sa 3.0 (modified)

Pseudarthrose

nach Densfraktur. Im Gegensatz zum Os odontoideum hier normale Größe des Densfragments. Die kortikalisierten Ränder lassen eine frische Fraktur ausschließen.

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Odontoid

fracture • Dens fracture and atlantoaxial subluxation - Ganzer Fall bei Radiopaedia

Gaillard F, Dens fracture and atlantoaxial subluxation. Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-8452 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Peg fracture - Ganzer Fall bei Radiopaedia

Jones J, Peg fracture. Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-6371 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Roy-Camille classification of C2 odontoid fractures (diagrams) - Ganzer Fall bei Radiopaedia

Hacking C, Roy-Camille classification of C2 odontoid fractures (diagrams). Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-87457 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Anderson and D'Alonzo classification of C2 odontoid fractures (diagrams) - Ganzer Fall bei Radiopaedia

Hacking C, Anderson and D'Alonzo classification of C2 odontoid fractures (diagrams). Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-87249 • CC by-nc-sa 3.0 (modified)

Odontoid

fracture • Odontoid fracture classification (diagram) - Ganzer Fall bei Radiopaedia

Niknejad M, Odontoid fracture classification (diagram). Case study, Radiopaedia.org (Accessed on 05 Jan 2023) https://doi.org/10.53347/rID-21310 • CC by-nc-sa 3.0 (modified)

Densfraktur

Typ 2 nach Anderson und D"Alonzo, aktuell ohne Dislokation

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Odontoid

fracture • Type 1 C2 odontoid fracture - Ganzer Fall bei Radiopaedia

Hacking C, Type 1 C2 odontoid fracture. Case study, Radiopaedia.org (Accessed on 17 Apr 2024) https://doi.org/10.53347/rID-183137 • CC by-nc-sa 3.0 (modified)

Radiopaedia • CC-by-nc-sa 3.0 • de

Odontoid process fracture, also known as a peg or dens fracture, occurs where there is a fracture through the odontoid process of C2.

Pathology

The mechanism of injury is variable, and can occur both during flexion or extension, and with or without compression .

Classification

There are two classification systems

Anderson and D'Alonzo
- most commonly used
- describes level of fracture line (i.e. through tip, base, or lateral masses)
Roy-Camille classification
- has been shown to better correlate with prognosis
- describes plane of fracture and displacement