<![CDATA[Background: Infertility is an important public health problem , almost 10-30 % is due to azoospermia.Elastography is a new ultrasound modality which simply could evaluate the internal elasticity of the testis &finally give an idea about the presence or absence of sperms.Objective: To evaluate the validity of sonoelastography in predicting positive sperm retrieving in patientwith azoospermia.Patients and Methods: A cross sectional study performed in Al-Sader Teaching Hospital / fertility center& radiology department during the period from 1st September 2017 to 1st September 2018, included 98patients /196 testes) with azoospermia by B-mode U/S, Doppler study (RI) & Elastography (strain ratio) ,then biopsies obtained for all patientsResults: Only (136) testes were subjected to biopsy. Testicular volume & strain ratio were the most importantfactors which suggest that the testis will give a positive or negative sperm retrieving. Low volume + highstrain NSR (bad prognosis) while high volume + low strain PSR (good prognosis).These findings of SR were 75.7% sensitive, 93% specific, with 78% and 92% positive and negativepredictive values, respectively and an accuracy of 89%.Conclusion: Strain Elastography results have been validated and were differed significantly betweenpatients with abnormal sperms count than those without. This Technique provides a promising way to getmore accurate diagnostic results.]]>
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