![]() ![]() Opisthion (posterior aspect of the foramen magnum) cannot be identified on a ![]() To recognize the presence of basilar invagination (a craniocervical junctionĪbnormality where the tip of the dens project up into the foramen magnum). If the tip of the dens extends > 3 mm above this line then it helps.The odontoid tip extends above this line. Posterior surface of the hard palate to the tip of the opisthion (posteriorĪspect of the foramen magnum) and is used to measure the distance of how much (normal CT values for men is > 23.7 mm and for women is > 24.2 mm) can be used instead. Tip of the dens is eroded then the Redlund-Johnell and modified Ranawat methods The dens (or odontoid process) should be ~5 mm below this line. Lateral radiograph of the skull or on a sagittal cut from a CT or MRI scan thatĬonnects the posterior and anterior aspects of the foramen magnum. So, if you are keen to take your cervical spine x-ray interpretation stills to the next level, then please register and I'll guide you through Matt's great lecture.Note: Scroll over or tap on the image to see labels & lines The content is pitched at higher level than our existing upper limb x-ray learning pathways, and there is a bit of assumed knowledge, but with the addition of the related articles and annotated review cases it is probably fairly accessible to most learners. I've been reporting cervical spine x-rays for many years and I still found that I learned lots of great new tips from Matt's lecture. And, well, this learning pathway is the result. ![]() So after the conference I asked Matt if he wouldn't mind if I converted it into an online course by breaking it down into a series of shorter videos and by pinning a series of cases, quizzes, articles and illustrations around it. I really felt like it was too good to be just another lecture. I invited Matt Skalski to record a cervical spine x-ray lecture for our Radiopaedia Virtual Conference and when he sent me back his 85 minute recorded lecture I was blown away by how engaging and detailed it was, and also by how beautifully it was illustrated. This learning pathway has an interesting origin story. FACET DISLOCATION AND SUBAXIAL INSTABILITY.It is pitched at a higher level than our upper limb injury learning pathways, and even experienced practitioners may find value in completing the course. The course will be most useful to those directly involved in the investigation and management of neck pain. This learning pathway is intended for a broad audience including doctors, medical students, nurses, physiotherapists, radiographers, chiropractors and physician assistants. ![]() invaluable and highly recommended" Intended audience "The points I learnt are more than I learnt throughout my training. "A great course for a radiology resident preparing for overnight on call" "Amazingly put together and very informative" 30 mystery cases, 25 annotated review cases and 20 MCQs.video teaching by Matt Skalski (85 mins).This learning pathway combines a cervical spine radiographic interpretation lecture by MSK radiologist Matt Skalski with additional audio commentary, cases and quizzes by Andrew Dixon, to create a unique online learning experience ( see topics). The pathway covers the majority of pathologies you may encounter in the cervical spine ranging from degenerative disease to trauma, with original illustrations used throughout. Read more about Radiopaedia's peer review policy peer-reviewed to ensure that the content was fair and balanced, supports safe and effective patient care and was free of commercial bias or marketing.You can view Andrew Dixon's current disclosures and Matt Skalski's current disclosures and read more about disclosures and ineligible companies here. The planning of this learning pathway was approved and overseen by the Radiopaedia Educational Board, who themselves had no relevant financial relationships with ineligible companies to disclose. This activity was planned and authored by Andrew Dixon and Matt Skalski who have no relevant financial relationships with ineligible companies to disclose. ![]()
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