8 results
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
- This iron causes ... brown tint of the rash ... involvement is less ... #Dermatoses #Dermatosis ... #differential #
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... Tip: To differentiate ... later confirmed by skin ... #Legs #Rash #clinical ... #photo #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Pinpoint areas (less ... infection - RMSF - Henoch ... cryoglobulins • Skin
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Diagnosis Algorithm ... Usually on lower legs ... #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... covering the foot, hence ... skin of inflamed ... type #clinical #photo
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Ankles, lower legs ... honey-colored crusts ... with site, (e.g„ tinea ... #dermatology #rash ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... , mucositis • Rash ... ) • Pulmonary capillaritis ... often present) Henoch ... tract, and often causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... and/or pulmonary capillaritis ... often present • Henoch ... tract, and often causes ... mucositis - Rash