10 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
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 ... causes #radiology #neurology
Powassan Virus Infection
 • Prodrome +/- fine erythematous rash → sudden onset fever, neurological deficits
 •
fine erythematous rash ... deficits • Dx: PCR ... → IgMIgG • ... #diagnosis #management ... #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... of shoulder and hip ... , neurologic, and ... , mucositis • Rash ... Schonlein Purpura (IgA
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 ... #neurology #meningitis
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Syphilis - Rash ... rashes, including tinea-mimicker ... to asymptomatic infection ... granuIomas on skin ... Latent #Tertiary #Diagnosis
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
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
Diagnosis? ... rickettsia) Dx: serology ... ; pcr from vesicle ... chickenpox, vzv, hsv ... 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