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[Computed tomographic studies of the scrotal contents, particularly the testis].

CT examination of the testes was carried out in 49 patients for the investigation of testicular tumours. Hypodensity and inhomogeneity were typical of teratomas and hyperdensity and relative homogeneity of seminomas. Granulomatous orchitis and lymphomas showed the same characteristics as seminomas. Three testes in the abdomen could be localised and classified. One non-palpable primary tumour was found as well as an old partially calcified tumour, three old torsions and one lipo-sarcoma. In about 10% it was not possible to distinguish between tumour and inflammatory lesions. Compared with sonography, CT has advantages, particularly in the diagnosis of old torsion.