Imaging Patterns of Rhino-Orbital-Cerebral Mucormycosis in Immunocompromised Patients : When to Suspect Complicated Mucormycosis.

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Imaging Patterns of Rhino-Orbital-Cerebral Mucormycosis in Immunocompromised Patients : When to Suspect Complicated Mucormycosis.

Clin Neuroradiol. 2017 Oct 12;:

Authors: Raab P, Sedlacek L, Buchholz S, Stolle S, Lanfermann H

Abstract
PURPOSE: The aim of this study was to describe radiological imaging findings of a complicated sinusitis, which should raise the suspicion of rhino-orbital-cerebral mucormycosis as being the underlying cause.
METHODS: In this retrospective analysis, we describe the cases and imaging findings of 8 patients with proven mucormycosis. These patients presented mostly with new facial or orbital swelling and were referred for imaging to our institution. Magnetic resonance imaging and computed tomography images were classified as abnormal or normal with respect to orbital, paranasal and cerebral signal results. Special emphasis was placed on the distribution of the signal abnormalities regarding involvement of the skull base and the cavernous sinus.
RESULTS: Out of a pool of 43 patients with colonization or proven Mucorales infection at different sites of the body, we identified 8 patients with infiltration of the midface and skull base. Unexpectedly seven out of the eight patients with abnormal findings of the paranasal sinuses and the adjacent tissues showed no bony sinus wall destruction. Of the eight patients seven showed inflammatory changes involving the infratemporal fossa and facial/periorbital tissues, three of the eight patients suffered from fungal invasion of the cavernous sinus and the carotid artery and one of the eight patients had a local infection of the hard palate only.
CONCLUSION: Imaging findings of inflammatory tissue infiltration adjacent to the paranasal sinuses with possible extension into the pterygopalatine fossa, infratemporal fossa and orbit or the cavernous sinus should raise the suspicion of a mucormycosis, especially in immunocompromised patients.

PMID: 29026931 [PubMed - as supplied by publisher]

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