Skull views

Occipitomental view
1. Investigate
  1. Coronoid process fractures
  2. Mid-face facial fractures
  3. Sinuses
2. Positioning
  1. Pt seated facing the film with head tipped back so aga tragal line at 45° to film. Tubehead positioned so beam centred through occiput.
Submento-vortex
1. Investigate
  1. Base of skull & sphenoidal sinus from below
  2. Fractures of zygomatic arches
Oblique lateral
1. Investigate
  1. Not commonly used- now use DPT
  2. When not able to take intra-oral e.g. gag reflex
PA mandible
1. AKA
  1. Posterior anterior mandible
2. Investigate
  1. Fracture on mandible
    1. At
      1. Body
      2. Angle
      3. Ramus
  2. Lesions of bone
    1. At
      1. Body of mandible
3. Positioning
  1. Same patient position as PA skull
  2. Tubehead with central beam at through cervical spine at level of rami of mandible.
True lateral skull
1. Investigate
  1. Conditions of the cranium e.g pagets, hyperparathyroidism
  2. Acromegaly
  3. Image sinuses
  4. Rarely taken
Lateral Ceph
1. Beam is set further forwards compared to true lateral skull
  1. Standardised and reproducible compared to lateral skull
2. Investigate
  1. Ortho
  2. Orthognathic surgery
Reverse Townes
1. AKA
  1. Occipito frontal
2. Investigate
  1. Neck of condyle
  2. Condylar hypo/hyperplasia

Resumo de Recurso

	Criado por Zainab Patel mais de 4 anos atrás