9 results
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
this patient's legs ... Catalog of Clinical ... Images #Clinical ... #Photo #Dermatology ... #Rash #Petechiae
Severe Drug Rashes - Comparison - DRESS | SJS/TEN | AGEP | Erythroderma

DRESS 
 - Onset:
- Comparison - ... >90% of total skin ... #Comparison #TABLE ... #Erythroderma #Dermatology ... #Emergency #Differential
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... palms/soles - Differential ... ChristmasTree #Rash ... #dermatology #photo
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Rash - Palpable ... Tip: To differentiate ... later confirmed by skin ... #Rash #clinical ... #photo #dermatology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
rapidly evolving rash ... , hypotension, rash ... #infection #rash ... #legs #clinical ... #photo
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... : • Palpable Rash ... • Non-Palpable Rash ... : • Palpable Rash ... • Non-Palpable Rash
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... biopsy preferred Differential ... Sporotrichiosis #Infection #clinical ... #photo #hand
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... Fever + facial rash ... • Evanescent rash ... Acute systemic rash ... #table #differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... 100,000, Typically Age ... Manifestations: Malar rash ... druginduced #lupus #sle #comparison ... #table #rheumatology