24 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... small oval scaling patches ... parallel to lines of skin ... - Differential diagnosis ... ChristmasTree #Rash
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Diagnosis Algorithm ... salmon-coloured patches ... a large lesion patch
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential Diagnosis ... " erythematous patches ... #Differential #Diagnosis
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... Skin rash and malaise ... ▪ “Rash” (75% ... 80%) ▪ Mucous patches ... #Diagnosis #Clinical
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
on sun-damaged skin ... Acrochordons (skin ... #dermatology #rash ... #differential #diagnosis ... #skin #common #
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Pityriasis (herald patch ... Macules #Papules #Rash ... #Algorithm #Diagnosis ... #Dermatology #Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... - Differential Diagnosis ... Fecal occult blood test ... cryoglobulins • Skin ... #Differential #Diagnosis
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Fever, malaise • Rash ... lata • Mucous patch ... lesions in bone, skin ... symptoms #signs #diagnosis
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
and increased skin ... red, or yellow patchy ... brown tint of the rash ... circumscribed patches ... #differential #diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... roundish-oval patches ... gyratum repens • A skin ... induratum • A chronic skin ... #differential #diagnosis