10 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
of hair, eyes, skin ... sclerosis (white "ash ... • Melasma • Tinea ... versicolor (more commonly ... Diagnosis #Algorithm #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... rubrum is most commonly ... skin of inflamed ... type #clinical #photo
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
Newborn- A 3-week-old ... Somalia, had similar skin ... infection of the scalp commonly ... #clinical #photo ... #NEJM #tinea #capitis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... or trunk most commonly ... • Most commonly ... include: infections (HSV ... comparison #table #differential
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
and increased skin ... - This iron causes ... brown tint of the rash ... eczematous features • Mild ... Dermatoses #Dermatosis #differential
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
45 years old, seen ... Tip: To differentiate ... later confirmed by skin ... #clinical #photo ... #dermatology #HSP
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... with site, (e.g„ tinea ... #dermatology #rash ... #differential # ... #common #distribution
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpesviruses (MCC: HSV ... Maculopapular rash ... • Common clinical ... meningismus are common ... • Uveitis • Rash
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... of shoulder and hip ... Nodosa: • PAN most commonly ... , mucositis • Rash ... tract, and often causes
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Inflammatory Myopathies: Commonly ... Anti-MDA5 (RP-ILD ... ) • Anti-Mi2 (skin ... Symptoms: • Gottron rash ... statins - probably caused