Radiology 101

-term used to denote radiologic examination of nasolacrimal drainage system
-done by filling the lumina of the canals with radiopaque medium
-performed in the investigation of abnormalities of the passage as defective development, stenosis and chronic mucosal thickening

Examination Procedure

This preliminary radiograph are taken to evaluate the paranasal sinuses

Waters
Caldwell
Lateral

to expedite filming after the [...]

Medical contrast media are substances that are used to enhance the contrast of structures or fluids within the body in medical imaging. Several types of contrast medium are in used in medical imaging and they can be roughly classified based on the imaging modalities where they are used. Although other types exist, most common contrast [...]

- radiographic contrast study of the urinary bladder and urethra while the patient is voiding.
Patient Preparations
- let the patient empty the bladder completely
Materials
- CM – iodinated compound – 50 ml
- Sterile water – 200-300 cc
- Catheter
- Syringe
- Container
- Gloves
Procedure
1. scout film – pelvis AP
2. insert catheter to the urethra
3. introduction of diluted CM (up to 200 cc)
4. remove catheter
5. position px 35 degrees oblique facing the cassette/film
6. outer leg [...]