Rhabdomyo refers to striated muscle tissue, or cardiac muscle tissue in this case, so rhabdomyomas are benign tumors of the heart that usually affect the ventricles, and are best considered hamartomas rather than a true neoplasm.

横纹的是条状的肉组，；横纹瘤是良性肿瘤，且通常累及室，最好被认为错构瘤而非肿瘤。