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Showing results for tags 'pituitary tumor'.
Irina Bancos, M.D., an endocrinologist at Mayo Clinic in Rochester, Minnesota, and Jamie J. Van Gompel, M.D., a neurosurgeon at Mayo Clinic's campus in Minnesota, discuss Mayo's multidisciplinary approach to adrenocorticotropic hormone (ACTH)-secreting pituitary tumors. Pituitary tumors are common and often don't cause problems. But some pituitary tumors produce the hormone ACTH, which stimulates the production of another hormone (cortisol). Overproduction of cortisol can result in Cushing syndrome, with signs and symptoms such as weight gain, skin changes and fatigue. Cushing syndrome is rare
A noninvasive 7 Tesla MRI scanner at University of Southern California is the first 7T scanner to be used on a patient with Cushing's disease in the U.S., according to a USC news release. When a brain tumor was found to be "MRI-negative" in a 28-year-old female patient, physicians at the USC's Pituitary Center were unsatisfied with the results. After deciding to use the Neuroimaging and Informatics Institute's (INI) new ultrahigh field 7 Tesla MRI scanner to localize the tumor, the patient was officially diagnosed with Cushing's disease and researchers were finally able to see the tumor
Researchers have determined mutations in the gene CABLES1 may lead to Cushing syndrome, a rare disorder in which the body overproduces the stress hormone cortisol. The National Institutes of Health study findings published in Endocrine-Related Cancer found four of the 181 children and adult patient examined had mutant forms of CABLES1 that do not respond to cortisol. The determination proved significant because normal functioning CABLES1 protein, expressed by the CABLES1 gene, slows the division and growth of pituitary cells that produce the hormone adrenocorticotropin (ACTH). Rese