Normal values of cortisol and ACTH - CSRF
Question: What are the normal values for a serum cortisol, a 24-hour urine, and ACTH? Also, what is the generally accepted cortisol cut off point for an overnight low dose dexamethasone …
Screening and Diagnostic Testing for Cushing’s Syndrome
ACTH Levels The first step in distinguishing the type of Cushing’s syndrome is a blood test for the measurement of ACTH obtained in the morning. Patients with ACTH-secreting tumors will …
Using DHEA During Diagnosis - CSRF
Measurement of dehydroepiandrosterone-sulfate (DHEA-S) may assist in diagnosis of Cushing’s syndrome in patients with lower than normal or low-normal ACTH levels. DHEA-S is usually …
Slow Cortisol Drop After Surgery - CSRF
Why do cortisol levels usually fall very rapidly after successful surgery? When a patient has Cushing’s syndrome, meaning levels of cortisol are higher than normal, the system …
Adrenal Insufficiency After Adrenal Surgery - CSRF
Normal recovery of the remaining adrenal gland can be verified rapidly after surgery or periodically during the recovery period (can take as long as one year) by measuring blood …
Is One Adrenal Gland Really Enough? - CSRF
Your physician will evaluate how much your remaining adrenal gland has recovered by measuring cortisol and ACTH levels in blood in the early morning, while fasting before the hydrocortisone …
Dual Functioning Pituitary Tumor - CSRF
Cushing’s syndrome can also occur in individuals who have single tumors producing excess cortisol from one adrenal gland (adenoma or adrenocortical carcinoma) or over function of …
Post-Operative Care After Treatment for Cushing’s - CSRF
Normally, the pituitary gland secretes ACTH to stimulate the adrenal glands to make cortisol, and the increased cortisol decreases ACTH production so cortisol levels stay in the normal range.
Post Surgery Testing for Pituitary Hormones - CSRF
Question: After pituitary surgery, in addition to cortisol and ACTH, what other pituitary hormone levels should be checked and when? Answer: Following pituitary surgery, there is always the …
Cushing's Support & Research Foundation - CSRF
Measuring ACTH levels in the morning during a period of cortisol excess will generally distinguish between patients with ACTH-dependent Cushing’s (reflecting either pituitary or ectopic ACTH …