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Parapharyngeal Space Abscess

TheparapharyngealspaceisconeshapedSuperiorlyitstartsatthebaseoftheskullandinferiorlyitsmarginendsatthehyoidboneThesuperiorconstrictormuscleisthemedialboundaryandtheparotidglandthemandibleandthepterygoidmuscleareitslateralmargins, the prevertebral fascia is present posteriorly.

A parapharyngeal space abscess can develop when infection or pus from the tonsillar region goes through the superior constrictor muscle. The abscess then forms between the superior constrictor muscle and deep cervical fascia.

Patients can present with toxemia and pain in the throat and neck, with tender swelling of the neck in the region of the angle of the mandible. Examination may reveal tonsillitis and/or medial displacement of the tonsil.

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