Central pontine and extrapontine myelinolysis associated with type 2 diabetic patient with hypokalemia.

Central pontine myelinolysis (CPM) is a demyelinating disease of the pons often associated with the demyelination of extrapontine areas of the central nervous system. Although the etiology and pathogenesis are unclear, CPM is usually associated with hyponatremia or its rapid correction, and chronic alcoholism is also a common underlying condition. We observed a 43-year-old man with diabetes mellitus who developed central pontine and extrapontine myelinolysis with no apparent evidence of hyponatremia, serum hyperosmolality or associated rapid correction, or history of alcohol abuse.

[Results of surgery on white cataract using trypan blue capsule staining to visualize capsulorrhexis].

Purpose: To evaluate surgery on white cataracts using trypan blue capsule staining.

Methods: A retrospective study comprised 64 eyes of 60 patients with white cataract that had surgery with trypan blue capsule staining. The average age was 62.