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8 lip 2024 · The pituitary gland sits atop the base of the skull in a concavity within the sphenoid bone called the sella turcica (pituitary fossa), immediately below the hypothalamus and optic chiasm. On average, the pituitary gland measures 12 mm in coronal diameter, 8 mm in AP diameter, and 9 mm high 13.
The anterior and posterior parts of the pituitary gland are distinct on MRI. The anterior part is isointense on both T1 and T2 weighted images. The posterior pituitary has intrinsic high T1 signal and is of a hypointense signal on T2 weighted images 1.
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14 wrz 2023 · This chapter reviews and illustrates the normal anatomy and MRI appearances of the pituitary gland and hypothalamic region. The optimal MRI technique relies on thin section T1-weighted sequences in the sagittal and coronal planes before and after gadolinium contrast enhancement.
1 kwi 2002 · Normal pituitary gland. Unenhanced sagittal T 1 weighted spin echo image of a normal pituitary gland and hypothalamus. The anterior pituitary gland (a), posterior pituitary bright spot (b), pituitary stalk (c), tuber cinereum (d), mammillary bodies (e) and optic chiasm (f) are identified.
The purpose of this study was to evaluate MR imaging findings of the hypothalamus-pituitary region in patients with congenital combined pituitary hormone deficiency caused by PROP1 mutations to clarify the morphologic changes in the pituitary gland that are associated with these mutations.
9 lis 2021 · Radiological procedures are playing essential role in present diagnostic of pituitary gland. Pituitary tumours can now be visualized more accurately due to continued improvements in magnetic resonance imaging (MRI) techniques with gadolinium enhancement.
