The main object of this paper is to show that the neoplasm of the choroid which has hitherto been described in the literature as choroidal sarcoma is much more probably a neurogenic tumor, arising from the Schwann sheath cells of nerves traversing the choroid. The neural origin of so-called sarcoma of the choroid will be supported by the histologic observations in seven cases which I have studied. The work, so far as I know, is new.
Before presenting and discussing my histologic studies, it is desirable to summarize briefly what the literature shows concerning neurogenic tumors in general, as well as to glance at the neurologic structure of the choroid and the neural and other neoplasms that are found in this vascular membrane.
NEUROGENIC NEOPLASMS IN GENERAL
Neoplasms showing more or less nerve tissue in their structure have been known for a long time. Tumors, especially those of the
DVORAK-THEOBALD G. NEUROGENIC ORIGIN OF CHOROIDAL SARCOMA. Arch Ophthalmol. 1937;18(6):971–997. doi:10.1001/archopht.1937.00850120105012
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