TORSION -DETORSION
For complete arterial occlusion to occur ,Torsion of atleast 540 degrees is necssary.
Partial torsion - venous occlusion occurs ,however arterial occlusion does not occur.
RARELY detorsion of testis occurs where there is restoration of blood flow to testis. The picture appears as if there is orchitis with relatively increased blood flow.
This patient gave h/o deacreased pain since 4 hrs at the time of examination.