Journal of Otology & RhinologyISSN: 2324-8785

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Case Report, J Otol Rhinol Vol: 5 Issue: 3

Unusual Malignant External Otitis in Mastoidectomized Temporal Bone: A Case Report

Murakami T, Hamada M*, Odagiri K and Iida M
Department of Otolaryngology, Tokai University, School of Medicine, Japan
Corresponding author : Hamada M
MD, Department of Otolaryngology, Tokai University, School of Medicine, 143 Shimokasuya, Isehara 259-1193, Japan
Tel: +81-463-93-1121
Fax: +81-463-94-1611
E-mail: [email protected]
Received: March 05, 2016 Accepted: April 19, 2016 Published: April 24, 2016
Citation: Murakami T, Hamada M, Odagiri K, Iida M (2016) Unusual Malignant External Otitis in Mastoidectomized Temporal Bone: A Case Report. J Otol Rhinol 5:3. doi:10.4172/2324-8785.1000277

Abstract

Abstract

We here report an unusual case of malignant external otitis (MEO) in mastoidectomized temporal bone, and discuss its diagnosis and treatment course. A 67-year-old man with a history of diabetes mellitus (DM) and mastoidectomy presented with persistent right earache and discharge. The condition was first misdiagnosed as acute exacerbation of chronic otitis media. After revision mastoidectomy failed, a correct diagnosis of MEO was made. Intravenous ciprofloxacin and cefepime as well as concurrent hyperbaric oxygen (HBO) therapy were administered for 7 weeks. Surgical debridement in the form of mastoid exteriorization was also performed. Diagnosis of MEO in mastoidectomized temporal bone was difficult, and the relatively successful control of DM and negative bacterial culture from ear discharge further masked MEO. Mastoid cavity exteriorization in addition to prolonged administration of antibiotics and HBO therapy might be useful for MEO management.

Keywords: Necrotizing otitis externa; Skull base osteomyelitis; Mastoidectomy; Surgical debridement; Hyperbaric oxygen therapy

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