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Boucher-Neuhauser syndrome associated with hypocalciuric hypercalcemia
M Ichinose1, K Tojo, M Nakayama
1Second Department of Internal Medicine, Jikei University School of Medicine, Tokyo.
Internal Medicine (Tokyo, Japan)
|January 1, 1995
Summary
This study reports a rare case of Boucher-Neuhauser syndrome in a 52-year-old woman. The patient also presented with hypocalciuric hypercalcemia, a previously undocumented association.
Area of Science:
- Neurology
- Genetics
- Endocrinology
Background:
- Boucher-Neuhauser syndrome is a rare genetic disorder characterized by cerebellar ataxia, hypogonadotropic hypogonadism, and retinochoroidal degeneration.
- The syndrome's genetic basis and full spectrum of clinical manifestations are not well-understood.
Observation:
- A 52-year-old woman presented with classic symptoms of Boucher-Neuhauser syndrome.
- Laboratory tests revealed elevated serum calcium levels, low urinary calcium excretion, and significantly reduced fractional excretion of calcium (FECa: 0.14%).
Findings:
- The patient's clinical presentation and laboratory findings suggest a concurrent diagnosis of hypocalciuric hypercalcemia.
- This represents a novel association between Boucher-Neuhauser syndrome and hypocalciuric hypercalcemia.
Implications:
- This case expands the known clinical spectrum of Boucher-Neuhauser syndrome.
- Further research is warranted to investigate the potential genetic or pathophysiological links between these two conditions.
- Understanding this association may improve diagnostic and management strategies for patients with rare genetic disorders.