21 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... vasculitis #Dermatologic ... #dermatology #rash ... #diagnosis #rheumatology
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 ... #dermatology #photo
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Skin Lesion 57 ... Diagnosis? ... heaped up borders); differential ... Blastomycosis #SkinRash #dermatology ... #clinical #photo
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Sarcoidosis • GPA ... lesions • Discoid ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
Pruritus - Primary Skin ... Lesion - Differential ... dermatitis • Psoriasis ... Pruritus #primary #dermatology ... #causes
Dematoses in Pregnancy - Specific Skin Conditions
Non-Pruritic
 • Pustular psoriasis of pregnancy
 • Impetigo Herpetiformis
Pruritic -
Non-Pruritic • Pustular psoriasis ... pregnancy #rash #dermatology ... #Differential # ... Diagnosis #Algorithm ... #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Lesions == Macules ... dermatitis • Psoriasis ... #generalized #dermatology ... #causes
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Dermatological semiology ... Identification of causes ... Vasculitis #dermpath #dermatology ... #diagnosis #clinical ... #differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... lesions that result ... vasculitis - GPA ... #Diagnosis #hematology ... #nonpalpable #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Diagnosis Framework ... #Lesions #Differential ... #Diagnosis #Dermatology