17 results
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
skin lesions were ... secondary to Haemophilus ... Photo credit, Josh ... Images #Clinical #Photo ... #Dermatology #SkinRash
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... #dermpath #dermatology ... semiology #signs #lesions ... manifestations #pathology ... #lesions #differential
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... trauma, infection, vasculitis ... of primary or secondary ... Palpable: 1) If lesions ... #Diagnosis #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
hemorrhagic skin lesions ... leakage of RBC's secondary ... Thrombocytopenia: ITP • Secondary ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... Differential Diagnosis Algorithm ... #Vascular #Vasculitis ... #SkinRash #dermatology ... #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... = Primary Skin Lesions ... Pruritus #primary #secondary ... #generalized #dermatology ... #causes
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Purpuric Rashes- THE ALGORITHMIC ... ; however, an algorithmic ... diseases secondary ... may have a vasculitis ... #Diagnosis #Dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... reddish-purple lesions ... in primary or secondary ... #Causes #dermatology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Differential Diagnosis Algorithm ... Epitrochlear (Always pathologic ... Tularemia • Secondary ... #Causes #Hematology
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
Typical lesions ... present in 80% of cases ... Rash #clinical #photo ... #dermatology #Palms ... #Soles #dermatology