Hypothalamic Diseases [Disease/Finding] Hypothalamic Neoplasms [Disease/Finding] N0000001652 Benign and malignant tumors of the HYPOTHALAMUS. Pilocytic astrocytomas and hamartomas are relatively frequent histologic types. Neoplasms of the hypothalamus frequently originate from adjacent structures, including the OPTIC CHIASM, optic nerve (see OPTIC NERVE NEOPLASMS), and pituitary gland (see PITUITARY NEOPLASMS). Relatively frequent clinical manifestations include visual loss, developmental delay, macrocephaly, and precocious puberty. (From Devita et al., Cancer: Principles and Practice of Oncology, 5th ed, p2051) Tumors, Hypothalamus 1021928 D007029 Hypothalamic Tumors Hypothalamus Neoplasms Hypothalamic Neoplasms C3482 254968009 M0010937 C0020659 Neoplasms, Hypothalamus Hypothalamic Neoplasms Neoplasms, Hypothalamic Supratentorial Neoplasms [Disease/Finding]