Spot Dx — What’s behind this sudden hair loss?
A 30-year-old woman presents with sudden-onset hair loss that began as a small round patch on the back of her head.
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A 30-year-old woman presents with sudden-onset hair loss that began as a small round patch on the back of her head.
The patch has gradually increased in size, with additional patches appearing on other areas. There is no redness, itching or pain.