Computed tomography in evolution of testicular cancer during intensive chemotherapy.

The evolution of malignant testicular tumor to mature teratoma has been studied in 4 patients. Computed tomography has been helpful in early diagnosis of this biologic phenomenon in these patients receiving intensive chemotherapy for disseminated non-seminomatous testicular cancer. Although the potential significance of this conversion in terms of survival is not known its early recognition by computed tomography has been useful in selecting and monitoring the therapy of these patients.