48 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Multiforme - Target lesions ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... , may also see skin ... #differential #diagnosis ... #causes #radiology ... #neurology
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential Diagnosis ... / Erythematous lesions ... #Pustular #SkinRash ... #causes
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... - long axis of lesion ... parallel to lines of skin ... - Differential diagnosis ... : secondary syphilis
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential Diagnosis ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... reddish-purple lesions ... in primary or secondary ... cryoglobulins • Skin
Dematoses in Pregnancy - Specific Skin Conditions
Non-Pruritic
 • Pustular psoriasis of pregnancy
 • Impetigo Herpetiformis
Pruritic -
Lesion • Pemp ... dermatoses #pregnancy #rash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Generalized Differential Diagnosis ... Systemic and Primary Causes ... Lesions == Macules ... Lesion / Systemic ... Pruritus #primary #secondary
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... central clearing • Secondary ... Papulosquamous #SkinRash ... #causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... heaped, wart-like lesions—Condyloma ... resembling rashes caused ... #Rash #Diagnosis