THE EPIPHYSIS, or pineal gland, is not usually encountered in otolaryngology. The case which we have observed seems therefore worth noting.
About the pineal gland nothing certain is as yet known. It has not been determined whether or not it has an endocrine function.1 Experimental results2 with implantation, extirpation, and injection of pineal gland tissue in animals are so contradictory that they do not allow definite conclusions. Many authors3 are of the opinion that the pineal gland is a vestigial organ of the parietal eye.
Tumors of the pineal gland are relatively rare. Bailey and Cushing4 found that among tumors of the brain only 0.7% were pineal tumors. In most of the published cases, moreover, the tumors have been found only at autopsy. The Institute of Pathology of Zagreb has found only four pineal tumors during the last 25 years, and only one of them was
PRAZIC M, GRCEVIC N. PINEALOCYTOMA WITH MENINGITIS. AMA Arch Otolaryngol. 1953;58(1):104–108. doi:10.1001/archotol.1953.00710040121012
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