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Coexisting kappa light chain multiple myeloma and primary hyperparathyroidism
E Toussirot1, F Bille, J F Henry
1Department of Rheumatology, Hôpital Timone, Marseille, France.
Scandinavian Journal of Rheumatology
|January 1, 1994
Summary
This case study highlights a rare association between multiple myeloma and primary hyperparathyroidism. Surgical removal of the parathyroid glands resolved persistent hypercalcemia, suggesting a dual diagnosis.
Area of Science:
- Endocrinology
- Oncology
- Nephrology
Background:
- Hypercalcemia is a common complication in multiple myeloma.
- Primary hyperparathyroidism is a frequent cause of hypercalcemia.
Observation:
- An 82-year-old woman presented with hypercalcemia and hypophosphatemia.
- Initial diagnosis of multiple myeloma was made and treated with chemotherapy.
- Persistent hypercalcemia despite treatment led to further investigation.
Findings:
- The patient was subsequently diagnosed with primary hyperparathyroidism.
- Parathyroidectomy resulted in a eucalcemic state.
- Fifteen similar cases of this dual diagnosis are documented in medical literature.
Implications:
- This association underscores the importance of considering multiple etiologies for hypercalcemia.
- Accurate diagnosis is crucial for effective treatment and patient management.
- Further research into the mechanisms linking these conditions is warranted.