Hordeolum (stye)


Hordeolum (stye)


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USMLE® Step 1 questions

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Hordeolum (stye)

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USMLE® Step 1 style questions USMLE

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A 41-year-old woman comes to her primary care physician’s office for evaluation of right eye pain for three days. She had a similar episode several years ago that self-resolved without medical treatment. She has no history of ocular trauma. The patient’s past medical history includes rosacea. Vital signs are within normal limits. Physical examination reveals a tender, erythematous papule at the inferior margin of the right eyelid as shown in the image below.  

 Reproduced from: Wikimedia Commons  

Which of the following pathogens is most likely implicated in this patient’s condition?  

Memory Anchors and Partner Content


A hordeolum or stye is an infection of the sebaceous glands of Zeis at the A hordeolum, or stye, is an inflammation of the sebaceous glands in the eyelid, commonly caused by an S. aureus infection. These glands secrete oily sebum, which helps lubricate and waterproof the skin and hair. The most common symptoms of a hordeolum are redness, swelling, pain, and eyelid tenderness. A hordeolum may also produce a discharge from the eye that is thick and yellow-green.


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