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

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
- Differential ... of hair, eyes, skin ... sclerosis (white "ash ... versicolor (more commonly ... Diagnosis #Algorithm #causes
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 ... resolving, leaving hyperpigmentation ... #clinical #photo
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... of arm present ... trauma leads to skin ... biopsy preferred Differential ... #photo #hand
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... Exam 60 year old ... rigors, diarrhea, nausea ... #Rash #clinical ... #photo
Gout of the Knee: Image on right demonstrates redness and swelling caused by acute gouty arthritis.
redness and swelling caused ... for comparison. skin ... seen in both legs are ... #Photo #Gouty # ... Arthritis #Knees
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Internal organs Most common ... papules) on the arms ... Causes: - Idiopathic
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 ... Variety #type #clinical
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... auricular papules Clinical ... CD4+/CD8+ ratio are ... • Arthralgia/arthritis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
disease or more commonly ... GPA causes disease ... Rarely dominate the clinical ... reticularis Differential ... • Giant cell arteritis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
dermal macular hyperpigmentation ... or trunk most commonly ... • Most commonly ... • Causes are multiple ... comparison #table #differential