13 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... #photo #PhysicalExam
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
of primary or secondary ... Palpable: 1) If lesions ... vasculiitis. 2) When cutaneous ... #Diagnosis #Dermatology ... #Rash #Petechiae
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 ... #Clinical #Photo ... #Dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... reddish-purple lesions ... in primary or secondary ... cryoglobulins • Skin ... Algorithm #Causes #dermatology
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
migrans skin Rash ... lesion which may ... unless multiple lesions ... migrans #skinRash #dermatology ... #clinical #photo
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
chronic, benign, cutaneous ... Chronic, benign, cutaneous ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... central clearing • Secondary ... Papulosquamous #SkinRash #dermatology ... #Differential #
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Scaly/Erythematous lesions ... Secondary to venous ... Eczematous #SkinRash #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... Generalized itchy rash ... Secondary syphilis ... #Lesions #Differential ... #Diagnosis #Dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
causes: infections (cutaneous ... classic targetoid lesions ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology