There have been rare cases of primary tumors involving the parapharyngeal space and the sublingual gland.
2.
Parapharyngeal space may also get invaded.
3.
During the primary infection, " F . necrophorum " colonizes the infection site and the infection spreads to the parapharyngeal space.
4.
Sometimes Pericoronal infection can spread into adjacent potential spaces ( including the sublingual space, submandibular space, parapharyngeal space, pterygomandibular space, infratemporal space, submasseteric space and buccal space ) to areas of the neck or face resulting in facial swelling, or even airway compromise ( called Ludwig's angina ).
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