title: Acute middle ear suppuration, mastoiditis, pyramidal cell line, Frenkner operation.
mesh_terms: D004432:Ear, Middle; D006801:Humans; D008417:Mastoiditis
keywords: EAR/middle; MASTOIDITIS
vernacular_title: Akute Mittelohreiterung, Mastoiditis, Pyramidenzelleneiterung, Operation nach Frenkner.