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Peripartum hypopituitarism and lymphocytic hypophysitis
M C Patel1, N Guneratne, N Haq
1Department of Medicine, Keele University, Stoke on Trent, UK.
QJM : Monthly Journal of the Association of Physicians
|August 1, 1995
Summary
Lymphocytic hypophysitis is now a common cause of postpartum hypopituitarism, often presenting with pituitary enlargement and hormone deficiencies. Early diagnosis and conservative management are key for recovery.
Area of Science:
- Endocrinology
- Reproductive Medicine
- Immunology
Background:
- Sheehan's syndrome, historically linked to obstetric complications, is no longer the primary cause of postpartum hypopituitarism.
- Advances in obstetric care have shifted the landscape, making other conditions more prevalent.
Observation:
- Five women with postpartum hypopituitarism were studied, presenting with symptoms during or after pregnancy.
- Presentations included visual disturbances and non-specific illnesses due to anterior pituitary hormone deficiencies.
- Four patients experienced lactation failure, and four had initial amenorrhea.
Findings:
- Magnetic resonance imaging revealed enlarged pituitary glands in four women initially.
- Four patients showed partial recovery of pituitary function.
- Associated conditions included thyroiditis and positive antinuclear antibodies in some cases; pituitary antibodies were absent.
Implications:
- The combination of secondary hypothyroidism and ACTH deficiency suggests lymphocytic hypophysitis.
- This diagnosis should be considered in postpartum women with malaise, amenorrhea, or visual impairment during pregnancy.
- A conservative management approach for pituitary enlargement is recommended as it typically resolves.