SKELETON

CLINICAL APPLICATIONS:

*INVESTIGATION OF BONE PAIN
1.METASTATIC TUMOUR.
2.BENIGN BONE TUMOUR.
3.TRAUMA.
4.AVASCULAR NECROSIS.
5.INFECTION.
6.OSTEOMALACIA.
7.PAGET'S DISEASE.
8.UNEXPECTED FINDINGS.

*INVESTIGATION OF MALIGNANCY
1.INITIAL STAGING.
2.DISCORDANT SCAN / X-RAY FINDINGS
3.ASSESSMENT OF EXTENT OF DISEASE.
4.MONITORING PROGRESS OF DISEASE AND RESPONSE TO THERAPY.
5.HYPERTROPHIC PULMONARY OSTEOARTHROPATHY.
6.PRIMARY BONE TUMOURS.

*INVESTIGATION OF BENIGN BONE DISEASE.
1.ORTHOPAEDIC DISORDERS.
2.BENIGN BONE TUMOURS.
3.INFECTIONS.
4.FRACTURE.
5.EXERCISE-RELATED TRAUMA.
6.SURGICAL TRAUMA.
7.DEGENERATIVE DISEASE.
8.METABOLIC BONE DISEASE.
9.PAGET'S DISEASE.
10.ASSESSMENT OF SIGNIFICANCE OF X-RAY LESIONS.

*MISCELLANEOUS
1.SOFT TISSUE ACCUMULATION OF DIPHOSPHONATE.
2.VASCULAR ABNORMALITIES.
3.ABNORMALITIES OF THE RENAL TRACT.
4.ABNORMALITIES OF THE URINARY TRACT.

*ROI: EVALUATION OF SKELETAL DISEASE STATES
-DIVIDE ABNORMAL AREA BY NORMAL AREA GIVING THE BONE CONCENTRATION RATIO:
ABNORMAL REGION COUNTS = BONE CONCENTRATION RATIO
NORMAL REGION COUNTS

*RATIO RESULTS
GRAETER THAN 1.75 = INFLAMMATORY SACROILIITIS
BETWEEN 1.10 & 1.55 = NORMAL
BETWEEN 1.55 & 1.75 = MUST BE INTERPRETED


*BONE IMAGING INTERPRETATION*
*SKELETON-USEFUL TIPS*
* SKELETON *