. Diseases of the ear; a text-book for practitioners and students of medicine. ndicate necessarily that the jugular has not been the channel through which infection of remote parts of thebody occurs is a continuation of the lateral sinus—that is, theinternal jugular vein—it often becomes necessary to cut offthis large afferent channel in order to prevent the further ab-sorption of septic material. If the case has been under obser-vation for some time, it is possible that the surgeon may makea diagnosis of extension of the thrombus into the internal ju-gular. Such a diagnosis would
. Diseases of the ear; a text-book for practitioners and students of medicine. ndicate necessarily that the jugular has not been the channel through which infection of remote parts of thebody occurs is a continuation of the lateral sinus—that is, theinternal jugular vein—it often becomes necessary to cut offthis large afferent channel in order to prevent the further ab-sorption of septic material. If the case has been under obser-vation for some time, it is possible that the surgeon may makea diagnosis of extension of the thrombus into the internal ju-gular. Such a diagnosis would depend upon great temperaturefluctuations—that is, a temperature rising suddenly to 1050 or1060, and then falling spontaneously in a few hours to normalor subnormal. In addition to this symptom, there would beother evidences of poisoning, such as asthenia, emaciation, andprofuse perspiration. Locally, it is sometimes possible, in caseswhere the clot has extended into the internal jugular vein, tomake out, upon palpating the neck, a tense, cord-like band fol- PLATE
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