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[Bilateral Conn's adenoma. Diagnostic discussions].
Jamila Zarzur1, Ahmed Ameur, Badr el Younassi
1Service de Cardiologie (B), Hôpital Avicenne, Rabat, Maroc.
Summary
This case highlights the diagnostic challenges in primary hyperaldosteronism, differentiating tumoral from idiopathic forms. Surgical intervention led to successful blood pressure normalization in a hypertensive patient.
Area of Science:
- Endocrinology
- Nephrology
- Surgical Hypertension Management
Background:
- Primary hyperaldosteronism (PHA) is a rare cause of hypertension, often challenging to distinguish from idiopathic PHA (bilateral adrenal hyperplasia).
- Accurate diagnosis is crucial for appropriate management and preventing complications of uncontrolled hypertension.
Observation:
- A 57-year-old man presented with hypertension and hypokalemia, suggesting PHA.
- Diagnostic workup revealed hyperaldosteronism with poorly stimulated renin activity; saline infusion failed to suppress aldosterone, but upright posture did.
- Computed tomography (CT) scan indicated bilateral adrenal masses, complicating the distinction between unilateral adenoma and bilateral hyperplasia.
Findings:
- Despite bilateral adrenal findings on CT, management involved right adrenalectomy and enucleation of an adenoma from the contralateral adrenal gland.
- Post-surgery, the patient achieved normotension, sustained for 4 years.
- This case underscores the importance of comprehensive diagnostic evaluation in PHA.
Implications:
- Successful surgical management of complex primary hyperaldosteronism cases can lead to long-term normotension.
- Distinguishing tumoral PHA from bilateral hyperplasia remains a clinical challenge, requiring careful interpretation of biochemical and imaging data.
- This case provides valuable insights for clinicians managing patients with resistant hypertension and suspected primary hyperaldosteronism.