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[ABSTRACT.]
Five cases of suppuration in the mastoid cells following acute suppurative otitis media, without external signs of mastoid disease.
No pain referred to mastoid. Acute pain lasting until perforation of membrana tympani.
Temperature in four cases reached 104 or above, and in one only 102, before operation.
Operation in four cases with recovery. No operation in one, which resulted in perforation, pyæmia and death.
Early diagnosis made in latter case.
Autopsy.
Pain, redness, swelling and œdema over mastoid, not essentially signs of suppuration in cells.
Opened lateral sinus in one case with no bad effect.