“Anorexia nervosa” caused by a fourth ventricle tumor

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Abstract
A case is reported of a patient with anorexia and failure to thrive secondary to a tumor of the 4th ventricle. The following points should be emphasized from the neurosurgical point of view. Tumors of the central nervous system may be responsible for "anorexia nervosa" and failure to thrive. Though this syndrome is more commonly seen in tumors of the hypothalamus, it may result from 4th ventricle tumors. The absence of other neurologic signs and symptoms, especially those of increased intracranial pressure, is uncommon but not inconsistent. The combina?tion of cortical atrophy, spacious basal cisterns, low intraventricular pressure, and ventricular dilatation is a paradoxical ventriculographic finding in large lesions of the 4th ventricle. This case illustrates the value of cine-Pantopaque ventriculography in posterior fossa tumors. The continuous observation of the passage of dye established the exact extent of the tumor and its relation to the cerebrospinal fluid pathways.

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