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UPSC-CMS 2018 — Radiology

Q: Radiologic views used for fracture Mandible (body and Ramus) are all EXCEPT:

Submentovertex. ***Submentovertex*** - The **Submentovertex (SMV) view** is primarily used to assess the **zygomatic arches**, base of the skull, and sphenoid sinuses, not typically for mandibular body or ramus fractures. - While it can provide some information about the medial aspects of the mandible, it offers **limited structural detail** crucial for diagnosing fractures in the body and ramus. *Lower occlusal* - **Lower occlusal films** are useful for visualizing the **anterior mandible**, including the symphysis and parasymphysis regions, and the lingual aspect of the body. - They can provide detailed views of these specific areas but are not the primary view for comprehensive assessment of the entire body or ramus. *Lateral obliques* - **Lateral oblique views** are highly effective for visualizing the **body, angle, and ramus** of the mandible, providing a good representation of these regions without superimposition from the contralateral side. - This projection allows for assessment of fracture displacement and angulation in the lateral and postero-lateral aspects of the mandible. *Orthopantomogram* - An **Orthopantomogram (OPG)**, also known as a panoramic radiograph, provides a comprehensive view of the **entire mandible** and maxilla on a single film. - It is an excellent screening tool for identifying fractures in the **condyle, ramus, angle, body, and symphysis** of the mandible due to its broad coverage. [Practice more Radiology PYQs on OnCourse]

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Radiologic views used for fracture Mandible (body and Ramus) are all EXCEPT: