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Sudden blindness in a child: presenting symptom of a sphenoid sinus mucocele.
  1. I Casteels,
  2. E De Loof,
  3. P Brock,
  4. M Jorissen,
  5. L Dralands,
  6. L Missotten and
  7. G Wilms
  1. University Hospitals KU Leuven, Belgium.


    A 10-year-old girl with no nasal or respiratory symptoms developed a headache lasting a few hours. The next day she became totally blind in the right eye and over 5 days vision in the left eye deteriorated to bare light perception. The diagnosis of a sphenoid sinus mucocele was made radiologically and drainage via an endonasal sphenoidectomy produced 12 ml of brownish fluid. Endoscopic biopsy of the wall confirmed the diagnosis of a mucocele. Steroid treatment was given postoperatively, but vision recovered to 6/12 in the left eye only. The importance of urgent clinical diagnosis and treatment is stressed.

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