Intracranial and extracranial extension of frontal sinusitis: Two cases of Pott’s puffy tumor with subdural empyema

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  • 前頭洞炎の頭蓋内・頭蓋骨外進展：Pott’s puffy tumorと硬膜下膿瘍を発症した2症例の報告

Abstract

Pott's puffy tumor (PPT) is an osteomyelitis of the frontal bone with subperiosteal abscess and is a complication of frontal sinusitis. PPT often presents in the 10-year age group and is often complicated by intracranial lesions. We report here two cases diagnosed with PPT who presented at the age of 10 years with diminished speech, agitation and impaired consciousness, in which frontal sinusitis was thought to have caused frontal osteomyelitis and subdural abscess via the diploic vein. Fusobacterium sp., anaerobic bacteria were detected in one case and Pseudomonas alcaligenes, opportunistic bacteria in the other. When treating PTT and its intracranial complications, antimicrobials should be selected on the basis that multiple organisms may cause the disease, even if only one organism is detected in cultures. Endoscopic sinus surgery for sinusitis and/or perforator drainage for intracranial abscesses should be performed at the appropriate time.

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