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Diascopy

Aka: Diascopy

Indications
1. Distinguish Purpura from erythema (Diascopy)
Technique
1. Place glass slide over lesion border
2. Apply direct pressure on lesion
Interpretation
1. Lesion remains red suggests Purpura
2. Lesion blanches (loses red color) suggests erythema

Family Practice Notebook

Patients should address specific medical concerns with their physicians.

Although access to this page is not restricted, the information found here is intended for use by medical providers.

This page was written by Scott Moses, MD, last revised on 10/21/2007 and last published on 5/9/2012.

This is one of 5737 pages in the Family Practice Notebook