54 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Lesions == Macules ... == Blood Glucose ... Pruritus #primary #secondary ... #generalized #dermatology
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 ... rosea #clinical #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... reddish-purple lesions ... in primary or secondary ... cryoglobulins • Skin ... #dermatology #physicalexam
Dematoses in Pregnancy - Specific Skin Conditions
Non-Pruritic
 • Pustular psoriasis of pregnancy
 • Impetigo Herpetiformis
Pruritic -
Lesion • Intrahepatic ... Lesion • Pemp ... dermatoses #pregnancy #rash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... vasculitis (inflamed blood ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Multiforme - Target lesions ... Reactive #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... dilated superficial blood ... discolorations of skin ... Vasculitis #SkinRash #dermatology ... Diagnosis #Algorithm #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 ... Clinical #Photo #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... lesions that result ... leakage of RBC's secondary ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
- Rash on Palms ... Typical lesions ... present in 80% of cases ... clinical #photo #dermatology ... #Palms #Soles #dermatology