Largely as a result of Hudson's1 comprehensive paper, tumors of the optic nerve have been divided into those of the nerve itself and those of the nerve sheaths. At present most pathologists consider the first group to be gliomas of the spongioblastic type and the second to be endotheliomas or meningiomas and the various fibromas, with rare instances of sarcoma and angioma. It is with the first group, the primary intraneural tumors of the optic nerve, that we are at present concerned.
Glioma of the optic nerve is rare. Less than 300 examples of this tumor have been described in all the medical literature.2 During a period of thirty-six years at the Massachusetts Eye and Ear Infirmary only 4 such tumors were removed from 669,857 new patients. From the Wills Hospital in Philadelphia DeLong3 reported that during a period of twelve years only 1 such tumor was
RAND CW, IRVINE R, REEVES DL. PRIMARY GLIOMA OF THE OPTIC NERVE: REPORT OF A CASE. Arch Ophthalmol. 1939;21(5):799–816. doi:https://doi.org/10.1001/archopht.1939.00860050083006
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