Three cases of post-traumatic sialocele involving the parotid region and one case of post-traumatic mucocele involving the submandibular region are presented. Computed tomography (CT) with contrast showed enhancing borders after a few weeks. Cases earlier than 2 weeks from occurrence showed no enhancement because of the absence of a well-developed capsule. Patients who had the disease longer showed better enhancement of the periphery with contrast because of capsule development. By CT scanning alone it is difficult to differentiated these lesions from other cystic lesions of the face and neck, although certain characteristics like location and rim enhancement may favor one lesion over the other.
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