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Hypercalcaemia. The case of the missing adenoma
The Medical Journal of Australia
|July 21, 1986
Summary
A rare case of severe hypercalcemia due to primary hyperparathyroidism was identified. A mediastinal parathyroid adenoma, missed in initial neck exploration, was located using computerized tomographic scans.
Area of Science:
- Endocrinology
- Surgical Oncology
- Medical Diagnostics
Background:
- Primary hyperparathyroidism is a common endocrine disorder, often caused by parathyroid adenomas.
- Severe hypercalcemia necessitates prompt diagnosis and management to prevent complications.
Observation:
- A patient presented with severe hypercalcemia, biochemically indicative of primary hyperparathyroidism.
- Initial investigations failed to locate a parathyroid adenoma in the typical cervical or upper mediastinal regions.
Findings:
- Computerized tomographic (CT) scanning successfully identified a parathyroid adenoma in the posterior mediastinum.
- Surgical excision of the retro-aortic mediastinal adenoma resolved the severe hypercalcemia.
Implications:
- This case highlights the importance of advanced imaging in diagnosing ectopic parathyroid adenomas.
- It underscores the need for thorough preoperative localization in persistent primary hyperparathyroidism.
- Successful surgical management of mediastinal parathyroid tumors is achievable.