A client has a lesion in the left axilla that is deep, painful, and contains pus. The nurse measured the lesion and found it is 3 centimeters in diameter and is walled off. After the assessment, the nurse determines the lesion is:
1. A furuncle.
2. Folliculitis.
3. A carbuncle.
4. Herpes varicella.
A furuncle.
Rationale: A furuncle develops when the infection from folliculitis becomes deeper. A sebaceous gland is obstructed, causing a deep inflammatory reaction and infection from staphylococcus. The lesion is a walled-off, painful, firm mass that contains pus. It is usually 1 to 5 centimeters in diameter. A carbuncle is a larger abscess that interconnects several hair follicles and is about 3 to 10 centimeters in diameter.
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