Abstract
Cushing’s disease (CD) caused by an ACTH-secreting pituitary adenoma accounts for 80 % of newly diagnosed cases of Cushing’s syndrome.
Functioning ACTH-staining adenomas comprise approximately 14 % of all surgically resected pituitary adenomas.
The silent ACTH adenomas discussed above are nonfunctioning tumors with positive ACTH immunoreactivity and no clinical evidence of Cushing’s disease or Nelson’s syndrome.
Patients with ACTH hypersecretion may present with Cushing’s syndrome or Nelson’s syndrome.
Cushing’s disease is more common in women than in men (8:1); it typically develops in the third and fourth decades of life.
The disease may also manifest in children and adolescents and comprises a larger proportion of all pituitary adenoma subtypes in pediatric patients than in adults.
Typical symptoms and physical findings in CD include acne, hirsutism or hair loss, weight gain, lipodystrophy, moon facies, skin bruising, abdominal striae, insomnia, amenorrhea, and short-term memory and cognitive deficits.
Among the associated medical conditions are diabetes mellitus, hypertension, osteoporosis, and arthralgia.
Also commonly occurring are psychological disturbances such as anxiety, depression, insomnia, psychosis, or euphoria.
Nelson’s syndrome occurs in patients with ACTH-secreting adenomas who have undergone bilateral adrenalectomy.
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Zada, G., Lopes, M.B.S., Mukundan, S., Laws, E. (2016). Corticotroph (ACTH) Adenomas. In: Zada, G., Lopes, M., Mukundan Jr., S., Laws Jr., E. (eds) Atlas of Sellar and Parasellar Lesions. Springer, Cham. https://doi.org/10.1007/978-3-319-22855-6_13
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DOI: https://doi.org/10.1007/978-3-319-22855-6_13
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