In this case a secondarily infected pseudoaneurysm of the common carotid artery presented with clinical features suggestive of a parapharyngeal abscess. The causative organism was identified as community-acquired methicillin-resistant Staphylococcus aureus. To the authors' knowledge this condition not previously been reported.
Haemangiopericytoma refers to an uncommon vascular/perivascular neoplasm of which a minority of cases arise in the head and neck. It comprises a group of lesions with marked clinical and pathological heterogeneity and a lack of positive criteria by which to make a definitive diagnosis. We describe an unusual case of such a tumour in the submental region, review its pathological features and discuss issues in management and prognosis.
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