Rigid Endoscopy for Intraoperative Imaging of Pituitary Adenoma
The pituitary gland is a pea-sized organ situated behind the ridge of the nose, attached to the base of the brain by a thin stalk. It is a key component of the endocrine system, responsible for hormonal control of other glands as well as many aspects of normal functioning including growth and blood pressure. The most common disease associated with the pituitary gland is pituitary adenoma, the development of a benign tumour. During surgical resection of pituitary adenoma, a delicate balance must be struck between maximising completeness of tumour resection and preserving endocrine function by conserving the normal pituitary. Currently, resection is guided by white light imaging, but it is often difficult to delineate the normal pituitary gland and the adenoma. This Chapter reviews the current standard of care for intraoperative imaging of pituitary adenoma and describes the development of a multispectral endoscope designed to address the clinical need for improved visualisation during resection.
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