Diseases of the ear / by Hunter Tod.

  • Tod Hunter, 1871-1923.
Date:
1907
Catalogue details

Licence: In copyright

Credit: Diseases of the ear / by Hunter Tod. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

    49/380 (page 21)
    body, injections of anti-staphylococcic vaccine in accor- dance with the principles laid down by Sir A. E. Wright. Prognosis.—Relapses may be frequent. Diagnosis.—Fui-unculosis has to be diagnosed : (1) From inflammation of the mastoid process (see page 197). (2) From an exostosis, especially if the skin over it be inflamed. The diagnosis can be made by means of a probe ; an exostosis is usually not tender and is of bony hardness to the touch. (3) From a parotid abscess; in rare instances a parotid abscess may burst into the external meatus through one of the fissures of Santorini. The diagnosis is made from the history of a swelhng over the parotid region and the appearance of pus in the external meatus on pressure over the gland. (4) From polypi; inspection and the use of a probe are usually sufficient to make the diagnosis clear. Difficulty in diagnosis only arises when a polypus, due to disease in the attic, projects through a fistula in the upper wall of the external meatus without there being any perforation of the membrane ; this is of very rare occurrence. (5) From granulations of the external meatus from whatever cause, by the length of time they have existed by the absence of acute pain, and by the use of the probe' (6) From perichondritis of the auricle (see page 4) 2. Diffuse inflammation of the external meatus (Otitis Externa Diffusa).~This condition is due to the same causes as furunculosis, which it may give rise to or accompany. In addition it may occur as the result of some skin eruption such as eczema or