The x-ray can be taken with the patient in either an erect or supine position, although most usually erect. The x-ray is taken PA (postero-antero), meaning that the patient faces towards the receiver and away from the x-rays source. The patients chin rests on the image receiver, which tilts the head up allowing the orbits to be clear of the internal structure of the Petrous ridge. This view is called Occipital-Mental or OM.[1][2]
An orbital x-ray usually requires only one view unless the requester is looking for evidence of metallic fragments, in which case two projections can be made. One with the eyes looking up, one with the eyes looking down. These views will show any movement of fragments and helps rule out false positives / artefacts which may be present on the image receiver. Two other important views are the Water's view which helps visualise the anterior orbital floor and maxillary sinuses; and the Caldwell view which helps to visualise the frontal and ethmoid sinuses and posterior orbital floor.[3]
Usesedit
It is useful for detecting fractures of the surrounding bone arising from injury or disease. It is also commonly used for detecting foreign objects in the eye that an ophthalmoscope cannot detect and is sometimes given prior to an MRI where metal fragments could cause significant damage.
Referencesedit
^Nunn, Heidi. "The Facial Bones". Norwich Image Interpretation Course. Retrieved 9 March 2019.
^Chowdhury, Rajat; Wilson, Iain; Rofe, Christopher; Lloyd-Jones, Graham (2013). Radiology at a Glance. John Wiley & Sons. ISBN9781118691083.
^Sihota, Ramanjit; Tandon, Radhika (2011). "Diseases of the Orbit". Parsons' Diseases of the Eye. New Delhi: Elsevier India. p. 484. ISBN9788131225547.
January 01, 1970
orbital, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, challenged, removed, find, sources, news, newspapers, books, scholar, jstor, march, 2019, learn. This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Orbital x ray news newspapers books scholar JSTOR March 2019 Learn how and when to remove this message Orbital x ray or orbital radiography is an x ray of both left and right eye sockets to include the Frontal Sinuses and Maxillary Sinuses Orbital x rayWaters view showing diffuse prominent mucosal thickening in the right maxillary sinus and mild nmucosal thickening in the left maxillary sinus ICD 10 PCSB807ZZZeMedicine383739LOINC36886 0Positioning editThe x ray can be taken with the patient in either an erect or supine position although most usually erect The x ray is taken PA postero antero meaning that the patient faces towards the receiver and away from the x rays source The patients chin rests on the image receiver which tilts the head up allowing the orbits to be clear of the internal structure of the Petrous ridge This view is called Occipital Mental or OM 1 2 An orbital x ray usually requires only one view unless the requester is looking for evidence of metallic fragments in which case two projections can be made One with the eyes looking up one with the eyes looking down These views will show any movement of fragments and helps rule out false positives artefacts which may be present on the image receiver Two other important views are the Water s view which helps visualise the anterior orbital floor and maxillary sinuses and the Caldwell view which helps to visualise the frontal and ethmoid sinuses and posterior orbital floor 3 Uses editIt is useful for detecting fractures of the surrounding bone arising from injury or disease It is also commonly used for detecting foreign objects in the eye that an ophthalmoscope cannot detect and is sometimes given prior to an MRI where metal fragments could cause significant damage References edit Nunn Heidi The Facial Bones Norwich Image Interpretation Course Retrieved 9 March 2019 Chowdhury Rajat Wilson Iain Rofe Christopher Lloyd Jones Graham 2013 Radiology at a Glance John Wiley amp Sons ISBN 9781118691083 Sihota Ramanjit Tandon Radhika 2011 Diseases of the Orbit Parsons Diseases of the Eye New Delhi Elsevier India p 484 ISBN 9788131225547 Retrieved from https en wikipedia org w index php title Orbital x ray amp oldid 1000365844, wikipedia, wiki, book, books, library,
