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soft tissue radiography

This document discusses techniques for visualizing soft tissues in radiography. Soft tissues have less differential attenuation compared to bones, making contrast reduced. Special techniques are needed to improve contrast and demonstrate soft tissues clearly. These include adjusting the kVp and adding filters to change image contrast. Using a normal or low kVp can help visualize certain soft tissues like adenoid and effusions more clearly. High kVp is useful for exams like BA enemas where thicker tissues are involved. Digital technology also helps improve soft tissue visibility compared to conventional radiography. Proper technique selection is important to optimize contrast and sharpness while reducing artifacts.

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SOFT TISSUE RADIOGRAPHY WADP DARSHANA RADIOLOGIC TECHNOLOGIST-SRI LANKA
What are soft tissues? Tissues other than bones
Why we need special techniques to demonstrate soft tissues? • Differential attenuation is less in soft tissues. • So the subject contrast is less in soft tissues.
Difference densities according to differential attenuations
How to change the contrast of radiographic image? • By Changing Kvp • By adding filters
Use of normal Kvp • Air and Fat are low dense and give blackish appearance than other tissues if we use normal kvp.
Enalarged adenoid is seen in nomal neck exposures ??????????????
Knee effusions seen in normal Kvp
lipohaemoathrosis
Soft tissue swelling
Normal & abnormal kagers fat pad
Sub normal kvp in mammo
Skull normal exposure vs soft tissue exposure………. use profile projections(tangenital)
Low kv
High kv
Need of high kv in Ba enema
Use of filters filters
Digital technology
Conventional vs digital mammo
• To demonstrate soft tissues successfully; special attention must be given to; -Radiographic contrast -Image sharpness -Avoidance of artifacts
• ANY QUESTIONS or DISCUSSIONS??
soft tissue radiography