3 results
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... a generalized disorder ... to masking of local ... Nomenclature #Atlas #Key ... #Basics
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... reddish-purple lesions ... Vasculitis - Collagen disorders ... cryoglobulins • Skin ... #Causes #dermatology
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
suggest vascular or hematologic ... depigmentation disorders ... o Moist or oozing ... and Key Features ... Drug Reactions: Diffuse