A patient complains of marked weakness, nausea, vomiting and weight loss. His skin appears well-tanned, although he denies any sun exposure. The laboratory studies demonstrate an elevated potassium, a low sodium, and eosinophilia. What is the most likely diagnosis?
- Cushing's syndrome
- Cushing's disease
- Addison's disease
- acromegaly
- scarlet fever
Anwer: C
Addison's disease
This is Addison's disease, autoimmune destruction of the entire adrenal gland. No Cortisol, increased ACTH (pigmentation), high K & low Na (no aldosterone).
Know Your Content Blueprint
Corticoadrenal insufficiency (Addison's Disease) is covered as part of the PANCE Endocrinology Blueprint
Review Topic: Corticoadrenal insufficiency (Addison's Disease)