Presentation
Tooth extracted three days ago. On oral antibiotics. Presents today with trismus, raised floor of mouth and submandibular/submental swelling to the midline.? Collection
Patient Data
Enhancing collection in the left masticator space, along the lingual side of the mandible with subperiosteal spread. This measures approximately 3 cm in maximal (CC) dimension.
Recent extraction of LL5 tooth noted. The inner component of the collection extends from this, although the majority of the abscess is in the masticator space.
Inflammatory stranding in the left submandibular and parapharyngeal spaces, and swelling of the medial pterygoid muscle cranially. No extension deep to myelohyoid.
Reactive left levels Ib/II nodal enlargement, no concerning features.
The upper aerodigestive tract is clear.
The major neck vessels are patent.
LL5 extraction site. No bone destruction.
Case Discussion
Deep collection secondary to dental extraction. This case demonstrates the structures associated with the masticator space, including the parapharyngeal space and the pterygoid muscles.
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