34 results
Purpuric Skin Lesions - Petechia/Purpura and Ecchymosis 

#Purpuric #Purpura #Petechia #Ecchymosis #Comparison #Dermatology #Skin #Diagnosis #Clinical
Purpuric Skin Lesions ... - Petechia/Purpura ... and Ecchymosis ... #Dermatology #Skin ... #Diagnosis #Clinical
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
Petechiae: punctate ... non-blanching and ... Images #Clinical ... #Photo #Dermatology ... #Rash #Petechiae
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... Skin rashes ... diagnosis is critically ... /purpuric, erythematous ... ; #purpura; #rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... : - Purpura fulminans ... for hepatitis B and ... cryoglobulins • Skin ... #Petechiae #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Findings: • Petechiae ... Maculopapular rash ... #dermatology #rash ... #diagnosis #rheumatology
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
the presence of petechiae ... , purpura, and increased ... characterized by petechiae ... brown tint of the rash ... #differential #diagnosis
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Skin Rash on Physical ... ) and critical illness ... #Fulminans #Skin ... #Rash #clinical ... #photo
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
+purpuric rash → ... purpura fulminans ... the key to the diagnosis ... difficult to culture and ... #clinical #photo
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
• Delayed-type skin ... quality - groin and ... Pastia lines = petechial ... Scarlet #fever #diagnosis ... #clinical #photo
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
easy bruising to purpura ... mucosal bleeding (Petechial ... or purpuric rash ... Activation #Syndrome #Diagnosis ... #Rheumatology