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AccessMedicine's Image of the Week: Petechia

From DeGowin’s Diagnostic Examination, 11e

Published Jun 15, 2020

Senior Editor, McGraw-Hill Education

AccessMedicine's Image of the Week: Petechia

Petechia Confirmed by Diascopy. Several red vascular markings are seen on the index fingertip. Diascopy discloses that the lesions do not blanch and are therefore extravasated blood.

Two photographs show petechia on the index fingertip confirmed by Diascopy, the lesions do not blanch on compression with a glass slide, indicating presence of extravasated blood.