8 results
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
sulfa-drug - Skin ... #Dermatology #Rash ... #Scaling #Color ... Targetoid #Algorithm #Differential ... #Ddxof
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... nummular eczema, tinea ... #photo #PhysicalExam
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... vasculitis • Henoch ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
lesions (9.4%) • Maculopapular ... rash (6.7%) • ... reticularis Differential ... polyangiitis • EGPA • Henoch-Schönlein ... #rash #diagnosis
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
45 years old, seen ... Tip: To differentiate ... later confirmed by skin ... #clinical #photo ... #dermatology #HSP
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... covering the foot, hence ... skin of inflamed ... #foot #dermatology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... • Maculopapular ... Resolution > 15 days Differentials ... withdrawal • Mild ... DRESS #Syndrome #dermatology
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
causes a rust color ... brown tint of the rash ... eczematous features • Mild ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology