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Irritating skin problems affecting the axilla – 10 cases

The 10 patients in this quiz are complaining of an irritating skin problem affecting the axilla(e).

For each of the ten cases, study the image(s) and then answer the questions. You can click on the image to view a larger version if required.

Each case should take approximately 2 minutes to complete. There is a list of suggested further reading material at the end of the quiz.

When you finish the quiz, you can download a certificate.

Case 2

Furuncle (boil)

Staph. aureus is also the main cause of acute bacterial folliculitis, which is known as a furuncle (boil) when deep and involving the entire follicle and its surrounding tissue. The axilla is a common location. A furuncle is a tender erythematous nodule, and becomes larger and more painful as a walled-off collection of pus develops. It is more common in adolescents, or those with diabetes, obesity or immunodeficiency. There are not usually any systemic symptoms.
Treatment is not necessary for a single simple furuncle, however fluctuant lesions require incision and drainage. Systemic antibiotics are recommended for large, recurrent or persistent lesions, or if there is surrounding cellulitis.

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