9 results
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
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 ... #differential #diagnosis
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 Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... : HSV 1): • Herpes ... Maculopapular rash ... • Uveitis • Rash ... Singh @rav7ks #CNS
Vasculitis - Differential Diagnosis Framework

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

What?
Monkeypox virus belongs to the family Poxviridae, subfamily Chordopoxvirinae, and genus orthopoxvirus
Viral zoonotic disease that is
Characteristic Rash ... Umbilification - Rash ... chain reaction (PCR ... antiorthopoxvirus IgM ... Monkeypox #MPOX #Diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... Differential Diagnosis ... fibromyalgia) • Infections ... and CNS • Headache ... Seizures • Strokes Skin
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
Diagnosis? ... Dx: serology; pcr ... chickenpox, vzv, hsv ... Indiana University Infectious ... rakari #clinical #photo
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tenderness → Consider infectious ... ) • Anti-Mi2 (skin ... Symptoms: • Gottron rash ... weakness + atrophy- Hip ... Other Diseases: • PBC