empty sella

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 [sel´ah] (L.)
a saddle-shaped depression. adj., adj sel´lar.
empty sella see empty-sella syndrome.
sella tur´cica a depression on the upper surface of the sphenoid bone, lodging the pituitary gland.
Sella turcica in the superior aspect of the sphenoid bone. From Dorland's, 2000.

emp·ty sel·la

a sella turcica, often enlarged, that contains no discernible pituitary gland; may be primarily due to an incompetent sellar diaphragm with compression of the pituitary gland by herniating arachnoid or secondarily due to surgery or radiotherapy.


pl. sellae [L.] a saddle-shaped depression.

empty sella
sella turcica
a depression on the upper surface of the sphenoid bone, lodging the pituitary gland.
References in periodicals archive ?
13) On MRI, other potentially subtle findings associated with IIH include flattening of the posterior globe, dilation, and tortuosity of the optic nerve sheath, and an empty sella.
3 Idiopathic intracranial hypertension (pseudotumour cerebri) and empty sella syndrome are also known to occur in these patients,2 suggesting that chronically increased intracranial pressure with localised thinning of the bone may also play a role in the pathogenesis of this condition.
Contrast-enhanced MRI revealed a small rim of pituitary less than 2 mm in thickness suggestive of completely empty sella (Fig 1).
A fistula associated with an empty sella is less common.
1-7) Arachnoid cysts that arise within the sella are less common and tend to cause pituitary hypofunction by virtue of the empty sella syndrome, as well as slow development of visual problems as the cysts expand into the suprasellar area.
Mother successfully lactated for the initial 4 months with supplemental feeds and repeat pituitary MRI showed empty sella.
However, a partially empty sella appearance can be seen in a premenopausal female with additional signs and symptoms of pseudotumor cerebri.