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Hypophysectomy is the surgical removal of the hypophysis (pituitary gland). It is most commonly performed to treat tumors, especially craniopharyngioma tumors. [1] Sometimes it is used to treat Cushing's syndrome due to pituitary adenoma [2] or Simmond's disease [3] It is also applied in neurosciences (in experiments with lab animals) to understand the functioning of hypophysis.
Pituitary adenomas are tumors that occur in the pituitary gland. Most pituitary tumors are benign, approximately 35% are invasive and just 0.1% to 0.2% are carcinomas. [1] Pituitary adenomas represent from 10% to 25% of all intracranial neoplasms, with an estimated prevalence rate in the general population of approximately 17%. [1] [2]
The tumor normally results in acral enlargement, arthropathy, hyperhidrosis, changes in facial features, soft tissue swelling, headaches, visual changes, or hypopituitarism. Since pharmacological therapy has had little effect on these tumors, a trans-sphenoidal surgery to remove part of the pituitary gland is the first treatment option. [5]
Transsphenoidal surgery is used to remove tumors of the pituitary gland. (Such tumours, although within the skull, are outside the brain itself). (Such tumours, although within the skull, are outside the brain itself).
Having thyrotropinoma (a pituitary tumor that releases thyroid-stimulating hormone) could also cause hyperthyroidism, ... surgery can be performed to remove part or all of the thyroid gland, says ...
Tumorectomy is the surgical removal of a tumor. Turbinectomy is the removal of the turbinate bones in the nasal passage. Tympanectomy is the removal of the eardrum. Tubectomy in this, a small part of the fallopian tube/oviduct/uterine tube/salpinx is removed or tied up through a small incision in the abdomen or through vagina/birth canal.
Adenoma is a benign tumor of glandular tissue, such as the mucosa of stomach, small intestine, and colon, in which tumor cells form glands or gland-like structures. In hollow organs (digestive tract), the adenoma grows into the lumen - adenomatous polyp or polypoid adenoma. Adenomatous polyps may be classified based on morphology in order to ...
If the tumors become cancerous, some cases can be life-threatening. The disorder affects 1 in 30,000 people. Although many different types of hormone-producing tumors are associated with multiple endocrine neoplasia, tumors of the parathyroid gland, pituitary gland, and pancreas are most frequent in multiple endocrine neoplasia type 1.
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