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Diplopia associated with hyperparathyroidism: report of a case
B H Forman1, K Ciardiello, S J Landau
1Department of Medicine, Hospital of Saint Raphael, New Haven, Connecticut, USA.
The Yale Journal of Biology and Medicine
|September 1, 1996
Summary
Primary hyperparathyroidism can cause double vision (diplopia). This symptom resolved in a patient after surgery to remove a parathyroid adenoma and correct high calcium levels.
Area of Science:
- Endocrinology
- Ophthalmology
Background:
- Primary hyperparathyroidism is a condition characterized by excessive parathyroid hormone production, leading to hypercalcemia.
- Hypercalcemia can manifest with a variety of neurological and ophthalmological symptoms, though specific presentations can be rare.
Observation:
- A patient with documented primary hyperparathyroidism and hypercalcemia presented with new-onset diplopia.
- The diplopia was a significant and bothersome symptom for the patient.
Findings:
- Surgical excision of the parathyroid adenoma successfully normalized serum calcium levels.
- Following the normalization of calcium, the patient's diplopia completely resolved.
Implications:
- This case suggests a potential, previously unreported association between hypercalcemia from primary hyperparathyroidism and the development of diplopia.
- The resolution of diplopia post-parathyroidectomy highlights the importance of considering metabolic and endocrine disorders in the differential diagnosis of visual disturbances.