11 results
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
seen in Henoch Schonlein ... Purpura (HSP, IgA ... #HSP #IgA #Vasculitis ... #clinical #photo ... #dermatology #skin
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... diagnosis: secondary ... syphilis (involve ... nummular eczema, tinea ... #dermatology #photo
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Tip: To differentiate ... purpura (IgA), ... later confirmed by skin ... #clinical #photo ... #dermatology #HSP
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
Diagnosis Algorithm ... Alcoholic Cirrhosis, NASH ... Viruses: HIV, CMV, Hep ... B and C • Infections ... myeloma, Lymphomas, RCC
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... skin of inflamed ... pitted keratolysis; and ... type #clinical #photo
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Diagnosis Algorithm ... Herald's atch • Tinea ... • Secondary Syphilis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions + toxo IgG ... • CNS PCR 50% ... , may also see skin ... Tuberculosis • Syphilis ... Lesions #Brain #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... , mucositis • Rash ... present) Henoch Schonlein ... Purpura (IgA Vasculitis ... , IgA (cmpkx deposits
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... : HSV 1): • Herpes ... Maculopapular rash ... • In tertiary syphilis ... • Uveitis • Rash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... Diagnosis Framework ... present • Henoch Schonlein ... Purpura (IgA vasculitis ... mucositis - Rash