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The Marcus Gunn (jaw-winking) phenomenon: a case report
1Department of Oral & Maxillofacial Surgery, King's College Hospital, London.
The British Journal of Oral & Maxillofacial Surgery
|February 1, 1990
Summary
The Marcus Gunn phenomenon, a rare jaw-winking condition, was observed in a young woman. This case also presented with co-occurring congenital kidney and ureter abnormalities.
Area of Science:
- Ophthalmology
- Genetics
- Urology
Background:
- The Marcus Gunn phenomenon is a rare congenital disorder characterized by synkinesis between the jaw and eyelid.
- It involves abnormal innervation leading to eyelid elevation during mastication or jaw movement.
Observation:
- A case study of a 23-year-old female patient presenting with the Marcus Gunn phenomenon.
- The patient exhibited the characteristic jaw-winking feature.
Findings:
- The reported case of Marcus Gunn phenomenon was associated with congenital anomalies of the urinary system.
- Specifically, the patient had a duplicated left kidney and ureter.
Implications:
- This case highlights a potential, though rare, association between neurological and urogenital congenital malformations.
- Further research may elucidate shared developmental pathways or genetic factors influencing these co-occurrences.
- Understanding such associations is crucial for comprehensive patient diagnosis and management.