Journal of the Korean Association of Oral and Maxillofacial Surgeons : eISSN 2234-5930 / pISSN 2234-7550

Fig. 4.

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Fig. 4. Preoperatively (A) the lesion was noted with painful swelling, erythema, and fluctuation in the right mastoid area (arrow). A mastoid area abscess lancing (B) revealed ~4.0 mL of pus (black arrowheads) (white arrowhead indicates on skin ischemia as a result of local anesthesia) and curettage (C) showed only purulent content with no residual parts of the suppurated mastoid lymph nodes.
J Korean Assoc Oral Maxillofac Surg 2021;47:398~402