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

55 year old male on tuberculosis treatment
Schonlein Purpura (HSP ... , IgA Vasculitis ... year old male on tuberculosis ... #clinical #photo ... #dermatology #skin
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
- Differential Diagnosis ... Alcoholic Cirrhosis, NASH ... Viruses: HIV, CMV, Hep ... B and C • Infections ... myeloma, Lymphomas, RCC
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... positive TST or IGRA ... IGRA/QuantiFERON-TB ... Tuberculin skin ... viral infections
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Diagnosis: Latent ... • Tuberculin skin ... release assay (IGRA ... staining, NAA (PCR ... #TB #Diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Diagnosis: Latent ... • Tuberculin skin ... release assay (IGRA ... staining, NAA (PCR ... #TB #Diagnosis
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
The Spectrum of Tuberculosis ... eliminated the infection ... negative tuberculin skin ... @paimadhu ‏ #Diagnosis ... #Subclinical #Active
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 ... Indiana University Infectious ... type #clinical #photo
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... lesions + toxo IgG ... • CNS PCR 50% ... , may also see skin ... Bacterial • Tuberculosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... associated with tuberculosis ... (HSV + Mycoplasma ... #differential #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... of shoulder and hip ... , mucositis • Rash ... Schonlein Purpura (IgA ... , IgA (cmpkx deposits