| 释义 |
- Structures seen
- Possible observations
- References
{{Medref|date=September 2018}}Caldwell's view (or Occipitofrontal view) is a radiographic view of skull, where X-ray plate is perpendicular to the orbitomeatal line. The rays pass from behind the head and are angled at 15-20° to the radiographic plate. It is commonly used to get better view of the paranasal and frontal sinuses. Structures seen- Frontal sinus
- Ethmoidal sinus
- Orbit
- Orbital rim
- Medial orbital wall
- Zygomatic bone
- Nasal bone
- Nasal septum
- Mandible
Possible observations| Pathology | Observation |
|---|
Normal - Different pneumatisation patterns of frontal sinus are observed in population.
- The frontal sinuses can be asymmetric in normal individual.
- Usually, frontal sinus shows radiolucent shadow and individual cells are made out, giving it a scalloping or clove-like appearance.
| Chronic frontal sinusitis - Increased frontal sinus opacity.
- Normal scalloping absent.
| Osteoma - Marked radiopacity is seen. (Denser than bone)
| Erythroblastic anemia - Hypopneumatisation (decreased pneumatisation) is common finding in Sickle cell anemia and Beta thalassemia.
- Hyperpneumatisation (increased pneumatisation ) is common finding in Acromegaly and Sturge-Weber syndrome.
| |
References 2 : Radiography|Radiology |