109 results
Dermatomyositis
A middle-aged man describes progressive difficulty combing his hair and rising from a seated position over
and 3) Gottron's papules ... Dermatomyositis #ShawlSign ... HeliotropeRash #Gottrons #Papules
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
, erythematous papules ... telangiectases, papules ... generalized) - Papules ... carcinoma - Face - Papule ... , to papules, to
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Firm / edematous papules ... possibly with macules ... , papules, vesicles
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
Diagnosis Algorithm Macules ... / Papules / Plaques
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Maculopapular #Macular #Macules ... #Papules #Rash
Fibrous papule of the nose 
 - Skin-colored to pink smooth papule 
 - Usually 2-3
Fibrous papule of ... to pink smooth papule ... angiofibroma #Fibrous #Papule
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Skin Lesions == Macules ... / Papules / Plaques
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
simplex Elevated - Papules ... balanitis) Elevated - Papules ... Psoriasis Elevated - Papules
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
• Violaceous papules ... joints: Gottron’s papules ... hands") • Palmar papules ... helix violaceous macules ... erythematous auricular papules
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
or violaceous papules ... (flat-topped) papules ... coloured scaling papules