Skip to main content

Temporal red patch in an older patient

Clinical history

Urgency
Routine

A 72-year-old on aspirin with a red patch on the outer side of one eye for three days.

Examination
A flat confluent red patch that does not blanch, normal acuity, a quiet cornea and anterior chamber, no pain.

Presentation typical of this diagnosis, written for teaching. The source dataset provides the image and its label only, with no accompanying clinical record.

The study opens when you begin.

Read the history first and decide what you expect to find. Committing to an expectation before you look is most of what separates interpreting from noticing.

Step 1 of 3 · Read the history

Study: External photograph

Describe the abnormality and give the most likely diagnosis. You will locate the finding first; the answer options stay hidden until you have.