This document discusses soft tissue radiography, which assesses soft tissues like muscle, skin, and glands using low-energy x-rays without contrast media. It provides techniques for soft tissue radiography including using appropriate exposure and reducing scatter to improve contrast and image sharpness. Soft tissue radiography can use normal techniques when air or fat is present, two films, or wedge filters. It may also use subnormal, low, or high kVp settings depending on the body part and desired visualization. Digital imaging allows windowing acquired images to view soft tissues at normal kVp as well.

1. SOFT TISSUE RADIOGRAPHY
PPT 1ST
By Virendra Kumar Maurya

3. To assess the soft-tissue using the low
energy x ray photon and without using
of contrast media, is called soft tissue
radiography .
For e.g. muscle, skin, and
subcutaneous and glandular tissues.

4.  Soft-tissue radiography is the term generally
used for radiography of muscle, skin, and
subcutaneous and glandular tissues without
the use of contrast media.

5.  Radiographic contrast: use of appropriate
exposure technique, and reduction of
scattered radiation;
 Image sharpness: immobilization, small focal
spot, film or film/ screen combination
chosen according to exposure technique;
 Avoidance of artefacts: non-screen technique
or scrupulously cleaned screens, avoidance
of dressings, and avoidance of folds in the
skin or in the patient’s gown.

6.  This category may be divided into three
subcategories:

7.  Use of a normal technique for the part being
examined when air shadows or fat pads.
 Effusion in a synovial cavity causing a filling
defect in a fat pad adjacent to a joint;
 Enlarged adenoids causing a filling defect in
the air contained in the nasopharynx.

8.  Use of two or more films e.g.:
 Facial bones, nasal bones and soft tissues of
the face;
 Calcification of tendons and bony detail of
the shoulder joint.

9.  Use of a wedge filter, e.g.
 Cephalography to demonstrate bony detail
of the skull and facial bones along with the
soft-tissue outline of the face on one film.

10.  subnormal kVp, low kVp and high kVp.

11.  subnormal kVp:-This term is used when the
kVp employed in less than 45kVp, which is
the lowest useful kVp available on many X-
ray units.
 Low kVp:- This term is used when the kVp
employed is 15–20kVp less than normal for a
similar projection of the area being
examined.
 High kVp:- 20 kVp more

12.  Digital imaging technology facilitates the
application of ‘windowing’ the acquired
image to visualize soft tissue areas even
when normal kVps are employed.

13.  Clack positioning