1867 H. Maudsley ii. iii. 349 (note) The ‘Insane Ear’—Hæmatoma auris, or Othæmatoma—is produced by an effusion of blood under the perichondrium.
1874 27 June 838/1 Dr. Sutherland exhibited a patient with a well-marked ‘insane ear’, produced by violence.
1999 3 July 63/3 Hare also details conditions like ‘insane ear’, which mysteriously flourished within asylums.