Presentation
Focal pain and swelling in the left neck.
Patient Data
Small subcutaneous left IIb triangle abscess measuring 7 x 12 x 23 mm (LL x AP x CC). Extensive perilesional cutaneous thickening and subcutaneous fat infiltration abutting the parotid gland - phlegmon.
Left jugular chain lymph nodes not enlarged but hyperenhancing (cf. right chain).
Case Discussion
One day history of left postauricular inflammatory, painful mass with a central punctum.
Normal ear and oral exam, no trismus.
Impression:
Postauricular phlegmon/abscess may represent an insect bite/streptococcus or staphylococcus infection.
The patient was started on intravenous amoxicillin/clavulanic acid.
The CT scan confirmed a large phlegmon with a small central abscess.
The abscess was incised and drained. Pus culture yielded S. aureus.
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