Neoplastic Process
pituicytoma
Definitions related to pituicytoma:
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(pituicytoma, benign) A benign neoplasm arising from the posterior lobe of the pituitary gland.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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A solid, low grade, spindle cell, glial neoplasm of adults that originates in the neurohypophysis or infundibulum. Clinical signs and symptoms include visual disturbance, headache and features of hypopituitarism. Pituicytomas are well-circumscribed, solid masses that can measure up to several centimeters. Histologically, they show a compact architecture consisting of elongate, bipolar spindle cells arranged in interlacing fascicles or assuming a storiform pattern.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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An extremely rare, WHO grade I, circumscribed and slow-growing tumor that arises from the neurohypophysis or infundibulum and described in adults. It is characterized by the presence of elongated, spindle-shaped neoplastic glial cells that form storiform patterns or interlacing fascicular arrangements. Signs and symptoms include visual disturbances, headache, amenorrhea, and decreased libido.NCI ThesaurusU.S. National Cancer Institute, 2021
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