Bilateral carotid septic thrombosis secondary to invasive mucormycosis presented as a retropharyngeal abscess

Mucormycosis is a rapid, progressive and lethal form of fungal infections, particularly affecting immunocompromised and poorly controlled diabetic patients.It usually starts in the nose and paranasal sinuses and onrushes along the arteries and through their walls causing thrombosis and subsequent necrosis of implicated tissues.The purpose of this article is to describe a rare case of a Mucormycosis retropharyngeal abscess in a 45-year-old diabetic type I patient that was complicated with bilateral carotid artery septic thrombosis.The patient was treated with intravenous amphotericin B, surgical drainage, never the less there were a secondary direct affection of both carotid arteries with multiple septic emboli to the brain on imaging studies and subsequent focal neurological defects on clinical evaluation.We report the computed tomographic (CT), and magnetic resonance (MR) imaging of, what is to the best of our knowledge, the first case of a bilateral septic carotid artery thrombosis secondary to angioinvasive mucormycosis manifested as a retropharyngeal abscess.