Scintigraphic pattern in missed testicular torsion.

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Abstract
The testicular scintigraphic findings of 9 patients with surgically and pathologically proved torsion of the testis of over 24 h duration are reviewed. In the delayed blood-pool images each showed the classical avascular twisted testicle with a variable peripheral rim of hyperemia. In the dynamic blood-flow phase, 8 revealed a perceptible increase of vascular perfusion in the scrotal region on the affected side, in addition to the testicular radionuclide angiogram peculiarities previously described for missed testicular torsion. This pattern of perfusion was seen only in torsion of over 1 day duration. A low salvage probability is expected in these cases.

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