10 results
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Ill-appearing, vital sign ... sulfa-drug - Skin ... #Rash #Maculopapular ... #Scaling #Color ... Targetoid #Algorithm #Differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... lesions (9.4%) • Maculopapular ... rash (6.7%) • ... reticularis Differential ... #rash #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... for hepatitis B and ... cryoglobulins • Skin ... #dermatology #physicalexam
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... • Maculopapular ... Edema in 70% of cases ... Resolution > 15 days Differentials ... DRESS #Syndrome #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
- This iron causes ... a rust color accounting ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... , mucositis • Rash ... causes arthritis ... vesicles, pustules, maculopapular
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... on sun-damaged skin ... honey-colored crusts ... ; pruritis #dermatology ... #rash #differential
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
(blue-purple) rash ... • Erythematous rash ... Muscle atrophy may cause ... renal carcinoma • Colon ... #rheumatology #dermatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
) • Anti-Mi2 (skin ... Symptoms: • Gottron rash ... Gottron sign) ... • Shawl sign • ... statins - probably caused