Idiopathic Haemotympanum and Perceptive Hearing Loss

of the haemotympanum" or eardrum" 1904, a with symptoms of this 60 years demonstration and 35 years after description of investigations on the of this infrequent for limited results of the investigations. Some express the opinion this condition may not be as infrequent as there is no evidence of this. The fact is, however, that a larger number of cases than before have been reported these recent years.