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3 Ιουλ 2024 · As can be expected from its location, suprasellar arachnoid cysts manifest clinically in the same way as other suprasellar masses, with visual symptoms due to compression and distortion of the optic pathways.
Well-defined lobulated sellar and suprasellar cystic lesion measuring 42 x 26 x 20 mm, of CSF signal on all sequences with no restricted diffusion or enhancement on postcontrast sequences. It displaces the optic chiasma superiorly and pituitary stalk posteriorly with an almost empty sella.
11 Ιουν 2024 · Arachnoid cysts are relatively common benign and asymptomatic lesions occurring in association with the central nervous system, both within the intracranial compartment (most common) as well as within the spinal canal. They are usually located within the subarachnoid space and contain CSF.
Arachnoid cysts should be included in the differential diagnosis of sellar cystic lesions. Other sellar cystic lesions may present with similar clinical and radiological findings. The definitive diagnosis is made on histopathologic examination and ...
Introduction: Intrasellar arachnoid cysts are uncommon radiologi-cal findings, generally incidental and clinically silent. Case presentation: We present the case of 70 year-old female who was treated of meningitis due to cerebrospinal fluid nasal fistulae.
Arachnoid cyst From 10% to 15% of arachnoid cysts may arise in the suprasellar cistern or be situated within the sella. These cysts are homogeneously hypoattenuating on noncontrast CT and are equal to cerebrospinal fluid (CSF) signal intensity on T1WI and T2WI ( Fig. 17 ).
14 Ιουλ 2020 · Intracranial arachnoid cysts occur most frequently in the middle cranial fossa with <10% seen in sellar and parasellar regions [1, 4, 5, 6]. Though rare, intrasellar arachnoid cysts represent an important cause of reversible visual loss [7].
