A patient suffered a laceration of the shin three days ago, and today presents with a painful, warm, red swollen region around the area. The laceration has a purulent exudate. The clinician should recognize that the infected region is called:
A. Contact dermatitis
B. Folliculitis
C. Hidradenitis suppurative
D. Cellulitis
ANS: D
In cellulitis, a patient often describes a history of a break in the skin from an injury, insect bite or sting, or previous procedure preceding the onset of redness, swelling, and pain at the site. The affected area is tender, swollen, reddened, and warm. Streptococcus or staphylococcal commonly causes the infection. The lower leg is a common site, usually unilateral.
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