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Severe cerebral edema with markedly enlarged left cerebellar hemisphere in a 32-year-old man with headache, dizziness, and vomiting. The brain weighed 2200 grams. (Contributed by Dr. Kelly Devers.)

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  • Bannayan-Riley-Ruvalcaba syndrome
  • COLD syndrome
  • Cowden disease
  • Cowden syndrome
  • PTEN hamartoma tumor syndrome