Penning L
J Neurosurg. 1987 Mar;66(3):474-6. doi: 10.3171/jns.1987.66.3.0474.
Preoperative localization of a tumor on the scalp can be achieved with the help of computerized tomography (CT) but is liable to error. A simple method is presented to relate the data provided by the CT scan precisely to the scalp of the patient.