الفهرس 
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Abstract
This study was conducted to assess the reliability and diagnostic accuracy of qualitative evaluation of apparent diffusion coefficient (ADC) mapping with magnetic resonance imaging (MRI) in differentiating between complete and partial anterior cruciate ligament (ACL) tears compared to arthroscopy.
The results showed that 41.7% of the sample were 36-45 years old with a mean age of 34.1±7.8 years. The results showed that 79.2% of the patients were male and 20.8% females. About 66.7% of them were complaining for 2-<6 weeks, 16.7% for 6-<10 weeks and 16.7% for 10-12 weeks. The results also showed that 50% of the studied population had right knee affection and 50% had left knee affection.
Approximately 58.3% versus 41.7% of the patients had complete tear, meanwhile, 25% versus 50% had partial tear, whereas, 16.7% versus 8.3% had intact ligament according to conventional MRI and arthroscopy, respectively. There was highly significant difference between both modalities regarding diagnosis of tears (p<0.01).
Approximately 41.7% versus 41.7% of the patients had complete tear, meanwhile, 50% versus 50% had partial tear, whereas, 8.3% versus 8.3% had intact ligament according to ADC mapping with MRI and arthroscopy, respectively. There were insignificant differences between both modalities