8 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Pathophysiology: ... to extravascular ... of primary or secondary ... Palpable: 1) If lesions ... #Dermatology #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... reticularis Differential ... • Goodpasture syndrome ... vasculitis #Dermatologic ... Polyangiitis #GPA #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... lesions that result ... Diagnosis #hematology ... #nonpalpable #dermatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Syndrome (CAS): ... presentation) • Cutaneous ... Diagnosis: • hemolytic ... #disease #hemolytic ... #anemia #hematology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Leukocytoclastic Vasculitis Secondary ... Petechiae, Palpable purpura ... Vasculitis: • Behcet Disease ... • Cogan syndrome ... #dermatology #rheumatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
Primary Dermatological ... associated with secondary ... flat macules of extravascular ... nettle sting #Diagnosis ... #Dermatology #Skin
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Secondary syphilis ... #Lesions #Differential ... #Diagnosis #Dermatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Myeloproliferative disease ... • Nephrotic Syndrome ... atherosclerotic lesions ... other causes of purpura ... #hematology #differential