NORMAL VARIANTS
NORMAL VARIANTS Part of “CHAPTER 20 – DIAGNOSTIC IMAGING OF THE SELLAR REGION“ EMPTY SELLA The sella may not be completely filled with tissue. When the sella is partially filled…
NORMAL VARIANTS Part of “CHAPTER 20 – DIAGNOSTIC IMAGING OF THE SELLAR REGION“ EMPTY SELLA The sella may not be completely filled with tissue. When the sella is partially filled…
NORMAL IMAGING ANATOMY Part of “CHAPTER 20 – DIAGNOSTIC IMAGING OF THE SELLAR REGION“ SKULL RADIOGRAPHS An evaluation of subtle changes of the bony architecture of the sella is not…
ADVANTAGES AND DISADVANTAGES OF IMAGING TECHNIQUES Part of “CHAPTER 20 – DIAGNOSTIC IMAGING OF THE SELLAR REGION“ Traditionally, the first imaging examination in the evaluation of the pituitary-sellar region was…
DIAGNOSTIC IMAGING OF THE SELLAR REGION Eric Bourekas Mary Oehler Donald Chakeres Radiographic imaging of the sella and hypothalamic region is important in the overall evaluation of many patients with…
MISCELLANEOUS LESIONS OF THE OPTIC CHIASM Part of “CHAPTER 19 – THE OPTIC CHIASM IN ENDOCRINOLOGIC DISORDERS“ TRAUMATIC CHIASMAL SYNDROME Vision loss that follows closed-head trauma usually is attributed to…
EMPTY SELLA SYNDROME Part of “CHAPTER 19 – THE OPTIC CHIASM IN ENDOCRINOLOGIC DISORDERS“ Extension of the subarachnoid space into the sella turcica through a deficient sellar diaphragm may manifest…
PARACHIASMAL LESIONS Part of “CHAPTER 19 – THE OPTIC CHIASM IN ENDOCRINOLOGIC DISORDERS“ Most chiasmal syndromes are caused by extrinsic masses: classically, pituitary adenomas, suprasellar meningiomas, craniopharyngiomas, and internal carotid…
CLINICAL MANIFESTATIONS OF CHIASMAL SYNDROMES Part of “CHAPTER 19 – THE OPTIC CHIASM IN ENDOCRINOLOGIC DISORDERS“ VISION CHANGES Most chiasmal syndromes are caused by extrinsic tumors: classically, pituitary adenomas or…
ANATOMY AND EMBRYOLOGY OF THE OPTIC CHIASM Part of “CHAPTER 19 – THE OPTIC CHIASM IN ENDOCRINOLOGIC DISORDERS“ The optic chiasm may be considered the “Grand Central Station” of the…
THE OPTIC CHIASM IN ENDOCRINOLOGIC DISORDERS R. Michael Siatkowski Joel S. Glaser Situated in the floor of the third ventricle, in close proximity to the hypothalamus, hypophysial stalk, and pituitary…