2025年2月6日 · The pituitary gland (a.k.a. hypophysis cerebri), together with its connections to the hypothalamus, acts as the main endocrine interface between the central nervous system and the rest of the body.

2024年11月7日 · Pituitary macroadenomas are the most common suprasellar mass in adults, and responsible for the majority of transsphenoidal hypophysectomies. They are defined as pituitary adenomas greater than 10 mm in size and are approximately twice as common as pituitary microadenomas.

1989年5月1日 · High resolution CT with dynamic scanning, demonstrating the pituitary tuft, the pituitary enhancement and the related vascular structures, is of major benefit for the diagnosis of pituitary lesions. Perfection of examination techniques is essential for accurate application of the modality to detect subtle diagnostic signs.

The present study investigated the possibility of dynamic contrast-enhanced multisection CT (DCE-MCT) of the pituitary gland accompanying image reconstruction of contrast agent dynamics to identify the location of a microadenoma and compared the diagnostic performance with conventional pituitary-targeted MR imaging.

Contrast-enhanced CT showing axial images of the head. A hyperdense region is visualized at the level of the suprasellar cistern (yellow arrow) consistent with an intracerebral aneurysm. DSA demonstrated a left superior hypophyseal aneurysm projecting medially with normal cervical, petrous, and cavernous portions of the ICA . The aneurysm ...

2021年1月10日 · CT is complimentary in evaluating pituitary and other sellar masses given its ability to detect calcification and assess osseous involvement of skull base. The adenoma is the most common lesion of the pituitary gland and can be symptomatic because of its endocrine effects or localized mass effect.

2002年4月1日 · Hypothalamic releasing factors are delivered to the anterior lobe of the pituitary by a system of hypophyseal veins, which run from the hypothalamus to the vascular sinusoids of the anterior pituitary. The normal pituitary size and shape is dependent on age and sex.

Landmarks and measurements for the transnasal approach (apertura piriformis, distance to the apertura sinus sphenoidalis) in children and adults are given. Included is the anatomy of the nasal septum, its vessels and nerves. The ostium of the sphenoid sinus, its development, types and dimensions are described.

2024年6月26日 · The pituitary (hypophyseal) fossa or sella turcica is a midline, dural lined structure in the sphenoid bone, which houses the pituitary gland. The anterior, inferior and posterior walls are bony, while the lateral walls and roof are formed by dural slings between the anterior and posterior clinoid processes (see below).

Preoperative diagnosis of pituitary abscess is very difficult. In particular, differentiation from other cystic processes of the sellar region is delicate. The clinical and radiological findings of a case of pituitary abscess are presented. Since CT and MRI are of major importance for routine pituit …