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bitemporal hemianopia

Loss of the temporal or lateral field of vision in both eyes. Etiology: - suggest lesion involving the optic chiasm - pituitary apoplexy [2] - abrupt onset - suprasellar extension* of a pituitary tumor in the sella turcica [3] - gradual onset * suprasellar mass lesion [4] Radiology: - MRI neuroimaging with gadolinium contrast (renal function CKD3 or better) [4]

General

heteronymous (crossed) hemianopia

References

  1. Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995
  2. Medical Knowledge Self Assessment Program (MKSAP) 19 American College of Physicians, Philadelphia 2022
  3. NEJM Knowledge+ Endocrinology
  4. NEJM Knowledge+ Nephrology/Urology - NEJM Knowledge+ Question of the Week. Jan 23, 2024 https://knowledgeplus.nejm.org/question-of-week/2121/