Since widespread applications of microsurgery are being employed for a
neurysms, clival tumors, etc., precise knowledge of the skull base mea
surements has become vital, and a study of 307 adult skulls - 130 fema
le and 177 male - has been undertaken. Measurements were made between
the landmarks chosen in accordance with the study of Lang in 1983 and
our average values were similar to his series, being closer to his fem
ale data. There was no significant difference between the right and le
ft sides of the skull.