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Case report: Klippel-Feil syndrome with coexistent hypoparathyroidism
1Renal Unit, Leeds General Infirmary, England.
The American Journal of the Medical Sciences
|April 1, 1996
Summary
Klippel-Feil syndrome, typically presenting with a short neck, was associated with hypoparathyroidism in a 72-year-old man. Treatment involving spinal decompression and vitamin D supplementation led to full symptom recovery.
Area of Science:
- Endocrinology
- Genetics
- Neurosurgery
Background:
- Klippel-Feil syndrome is a congenital disorder characterized by the fusion of cervical vertebrae, often leading to a short neck, limited neck mobility, and a low posterior hairline.
- The syndrome can present with a wide range of associated anomalies affecting various organ systems, including the skeletal, renal, and cardiovascular systems.
- Hypoparathyroidism, a condition characterized by insufficient parathyroid hormone production, can lead to metabolic disturbances, primarily affecting calcium and phosphate levels.
Observation:
- A 72-year-old male patient exhibited classic Klippel-Feil syndrome features, including a short neck, restricted neck movements, and low posterior hairline.
- The patient also presented with a solitary kidney and an anomalous third rib, indicating significant congenital abnormalities.
- Biochemical evaluation revealed hypoparathyroidism, with notably low parathyroid hormone levels, after secondary causes were ruled out.
Findings:
- The patient's Klippel-Feil syndrome was uniquely associated with biochemical hypoparathyroidism, an association not previously documented in medical literature.
- Treatment consisted of a multi-modal approach including alfacalcidol (a vitamin D analog), calcium supplementation, and surgical spinal decompression via complex laminectomy.
- This therapeutic regimen resulted in a complete resolution of the patient's neurological symptoms, indicating successful management of the cervical myelopathy.
Implications:
- This case highlights a potential novel association between Klippel-Feil syndrome and hypoparathyroidism, expanding the known clinical spectrum of the syndrome.
- The successful management of cervical myelopathy and hypoparathyroidism suggests that a single underlying pathology might be responsible for the diverse manifestations observed in this patient.
- Further research into the genetic and molecular underpinnings of Klippel-Feil syndrome may elucidate the connection with endocrine dysfunction, potentially leading to earlier diagnosis and more targeted treatments.