Los puntos clave no están disponibles para este artículo en este momento.
A study has been made of 82 histologically verified cases of medulloblastoma under 15 years of age referred for irradiation to the Royal Marsden Hospital between 1950 and 1964. The age range was 11 months to 14 years. The ratio of boys to girls was 2.2:1.
Bloom et al. (Wed,) studied this question.