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To the Editor.—
The points brought out by Drs. McLaurin and Shapiro emphasize the importance of routine x-ray film series examinations of the skull in cases of head trauma. From the standpoint of a student, their respective discussions could have been completed only by the inclusion of the fact that a good percentage of subdural hematomas are bilateral, so that a history typical of subdural hematoma with neurological and behavioral changes in the absence of midline shift of calcified structures does not exclude the diagnosis, requiring, then, either a bilateral carotid angiogram or a bilateral burr-hole procedure.
Villa FV. Diagnosis of Subdural Hematoma. JAMA. 1972;221(8):916. doi:10.1001/jama.1972.03200210060023