One case of interstitial cell tumors in the testicles of a New Zealand White rabbit was reported. The rabbit was 8–10 months old and had bilateral testicular lesions. There was no enlargement of either testicle and the lesions were first seen on the cut surface. Light and electron microscopy revealed that the cellular morphology resembled the features observed for this tumor in rats, dogs, and a few other domestic animals in which reports are available.
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