Background: Hiern (Asteraceae) is among Ethiopian herbal medicines that are traditionally used to treat skin and gastrointestinal cancers. In this study, the chemopreventive potential of leaf extract in dimethylhydrazine (DMH)-induced colorectal carcinogenesis in rats was investigated.
Methods: Rats were assigned to nine groups (normal, positive, and negative control groups, and three pre- and three post-initiation groups).
Teratomas are neoplasms commonly arising from the gonads. Kidney is one of the rare sites of origin of the tumor. Immature intra renal teratoma is even more rare and to date only 4 cases have been reported in the literature.
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