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[Neurological complications in hyperparathyroidism]
F Trebini1, A Appiotti, R Bacci
1Divisione di Neurologia, Ospedale Mauriziano Umberto I, Torino.
Minerva Medica
|February 1, 1993
Summary
Primary hyperparathyroidism can cause spinal amyotrophy, a rare neurological condition. This case study highlights the diagnostic challenges and the importance of metabolic screening for neuromuscular symptoms.
Area of Science:
- Neurology
- Endocrinology
- Metabolic Disorders
Background:
- Amyotrophy, characterized by muscle wasting, can present with varied etiologies.
- Primary hyperparathyroidism is a metabolic disorder typically associated with bone and kidney complications.
- Neurological manifestations of hyperparathyroidism are uncommon but recognized.
Observation:
- A 57-year-old patient presented with amyotrophy of the pelvic and pectoral girdles and limb roots.
- Clinical examination revealed brisk and symmetric deep tendon reflexes (R.O.T.) without fasciculations, sensory deficits, bulbar signs, or pathological reflexes.
- Electromyography (EMG) confirmed neurogenic involvement in all four limbs, with normal serum muscle enzymes.
Findings:
- Laboratory investigations identified primary hyperparathyroidism due to a single parathyroid adenoma.
- Further testing excluded multiple endocrine adenomatosis.
- The findings suggest a link between hyperparathyroidism and spinal amyotrophy.
Implications:
- This case underscores the importance of considering metabolic disorders, such as hyperparathyroidism, in the differential diagnosis of unexplained amyotrophy.
- Early diagnosis and management of hyperparathyroidism may prevent or reverse neurological complications.
- Further research is warranted to elucidate the mechanisms underlying nervous system involvement in hyperparathyroidism.