Abstract
History.—Primary and secondary types.—Incidence in (a) Phthisical patients, (b) Patients with suppurating ears, (c) Children.—Modes of infection: (a) by Eustachian tube, (b) by blood-stream.—Signs and symptoms: Painless onset; Early appearances of middle-ear; Infiltration of tympanic membrane; Multiple perforation; Granulation tissue; Type of discharge.—Examination of discharge and of granulation tissue.—Course of disease in middle-ear; Extensions; Complications.—Special types: Mastoiditis in children; Tumour formation.—Deafness.—Reports of twenty cases.
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