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[Isolated ACTH deficiency associated with Hashimoto disease]
S Okuno1, M Inaba, Y Nishizawa
1Second Department of Internal Medicine, Osaka City University Medical School.
Nihon Rinsho. Japanese Journal of Clinical Medicine
|October 1, 1993
Summary
Isolated ACTH deficiency, a rare cause of secondary adrenal insufficiency, is linked to autoimmune processes. This condition involves low cortisol and ACTH, with potential links to Hashimoto disease, suggesting a shared autoimmune mechanism.
Area of Science:
- Endocrinology
- Immunology
Context:
- Isolated ACTH deficiency is a rare condition causing secondary adrenocortical insufficiency.
- Diagnosis relies on specific hormonal tests including cortisol and ACTH levels.
- Other pituitary hormone functions are typically normal.
Purpose:
- To summarize the diagnostic criteria for isolated ACTH deficiency.
- To explore the potential autoimmune pathogenesis of this condition.
- To investigate associations with other autoimmune diseases like Hashimoto disease.
Summary:
- Low cortisol and low plasma ACTH confirm the diagnosis.
- Adrenal response to exogenous ACTH is intact, differentiating from primary adrenal issues.
- Evidence suggests an autoimmune basis, with lymphocytic hypophysitis and antipituitary antibodies being key indicators.
Impact:
- Highlights the role of autoimmune mechanisms in pituitary disorders.
- Suggests a potential common autoimmune pathway in isolated ACTH deficiency and Hashimoto disease.
- Informs diagnostic approaches and understanding of secondary adrenocortical insufficiency.