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September 12, 1896


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JAMA. 1896;XXVII(11):571-572. doi:10.1001/jama.1896.02430890009002a

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When the presence of a "mastoid abscess," declared by the occurrence of a fluctuating collection of pus on the surface of the skull behind the ear, only caused the surgeon to incise and evacuate the abscess, we heard little of extra-dural or cerebral abscess except as a curiosity of the postmortem room. Even when the farther step of opening the mastoid became more common, it was so often merely in the interest of better evacuation and drainage that exploration for the remoter extensions of the lesions was rare. It is only since we have more generally adopted the idea urged by all experienced operators, that every possible trace of the pathologic condition shall be extirpated at the operation in the effort to secure immediate cure, that the relative frequency of extra-dural abscess has been recognized. The earlier operators looked upon the middle cerebral fossa and the sigmoid sulcus as regions

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