13 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... Haverhill fever caused ... Rash is usually ... of necrotizing vasculitis ... #differential #diagnosis
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Infectious Mono (EBV ... Noninfectious: SJS/TEN, Erythema ... Sweet syndrome, Vasculitis
Kawasaki Disease (KD) - Diagnosis and Management Summary

Kawasaki Disease (KD) is the most common vasculitis of
the most common vasculitis ... Conjunctivitis, Mucositis, Rash ... , Cough • +/-Nausea ... Erythema of palms ... Polymorphous rash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... dermatophytes cause ... hyperkeratotic w/ erythema ... type #clinical #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... glomerulonephritis) • Anti-GBM ... mucositis - Rash ... Differential Diagnosis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Causes: - Idiopathic ... Leukocytoclastic vasculitis ... Sweet #Syndrome #diagnosis
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Ulcers - Atypical causes ... be difficult to diagnose ... papules, blotch erythema ... +/- psoriatic rash ... juvenile gangrenous vasculitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... , mucositis • Rash ... tract, and often causes ... pain and GN Anti-GBM
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
virus • CMV • EBV ... Maculopapular rash ... 10 weeks after erythema ... - History of erythema ... • Uveitis • Rash
Mycoplasma pneumoniae–Associated Mucositis- ...severe mucositis developed that involved the lips, buccal mucosa (Panel A), conjunctivae, and
In this case, the ... pneumoniae–induced erythema ... mycoplasma-induced rash ... #clinical #photo ... #NEJM #mycoplasma