18 August 2020
: Case report 
Malignant Otitis External: Our Experience and Literature Review
Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Patient complains / malpractice, Unexpected drug reaction, Educational Purpose (only if useful for a systematic review or synthesis)
Antonella M. Di Lullo12ACDEF*, Camilla Russo3DEF, Piera Piroli1BC, Alessandra Petti1BC, Pasquale Capriglione1BC, Elena Cantone1BC, Gaetano Motta4AD, Maurizio Iengo1ADE, Andrea Elefante3ADE, Michele Cavaliere1ACDEFDOI: 10.12659/AJCR.925060
Am J Case Rep 2020; 21:e925060
Table 1. Clinical-radiological stages of malignant.
| Stage I | Infection of the external auditory canal and adjacent soft tissues with severe pain, with or without facial nerve paralysis |
| Stage II | Extension of infection with osteitis of skull base and temporal bone, or multiple cranial nerve neuropathies |
| Stage III | Intracranial extension with meningitis, epidural empyema, subdural empyema or brain abscess |