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           _    _     _____    __   __   __   _   
    ___   | || | ||  /  ___||  \ \\/ // | || | || 
   /   || | || | || | // __     \ ` //  | '--' || 
  | [] || | \\_/ || | \\_\ ||    | ||   | .--. || 
   \__ ||  \____//   \____//     |_||   |_|| |_|| 
    -|_||   `---`     `---`      `-`'   `-`  `-`  
     `-`

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Text this: Isolated tear of the flexor retinaculum at the hook of the hamate: introduction of the 'hook line' sign