(ALNEELAIN UNIVERSITY, 1999-11) GAF AR HAYDER MOHAMMED SAEED
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A new simple method for the assessment of the capability of a
gamma camera in detecting lesions within the patient is described. The
method, when applied on the ZLC-37 Siemens gamma camera modefied
by Mediso, showed that this gamma camera equiped with a ( LEAP)
collimator was capable of detecting lesions of dimensions of; 0.4 cm,0.6
cm, 0.8 cm, 0.9 cm, 1.0 cm and 1.2 cm and above, when they were
located at; the surface of the patient, depth of 4 cm or less, depth of 9 cm
or less, depth of 1 1 cm or less, depth of l4 cm or less and l9 cm or less,
respectively. When these values were compared with similar results
obtained from a thyroid phantom studies, showed good agreement.
Further studies to develop the method were recornmended.
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