2847 results
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura ... C), Pigmented purpuric ... BrighamChiefs #Purpura ... nonpalpable #palpable #Causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
disorders, or other causes ... Coagulation disorders CAUSES ... Quantity: • Primary Causes ... • Secondary Causes ... Gardner-Diamond syndrome CAUSES
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
Pigmented Purpuric ... of petechiae, purpura ... by petechiae, purpura ... - This iron causes ... rash Majocchi Purpura
Petechiae are small, red lesions caused when capillaries leak blood into the skin. Petechiae larger than
small, red lesions caused ... than 0.5 cm are purpura ... Derm #Petechiae #Purpura
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... BrighamChiefs #Purpura ... nonpalpable #palpable #Causes
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Henoch Schonlein Purpura ... diagnosis #nephrology #causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Petechiae, Palpable purpura ... Petechiae • Palpable purpura ... Vesicles overlying purpuric ... Henoch-Schönlein purpura
Drug-Induced Thrombocytopenia
The diagnosis of drug-induced thrombocytopenia can be made only by demonstrating resolution of thrombocytopenia once
thrombocytopenic purpura ... #Medications #Causes
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
Causes of Small ... Diagnosis Common Causes ... NSAID ulcers Rare Causes ... Henoch-Schoenlein purpura ... Differential #Diagnosis #Causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
cm diameter - Purpura ... Diagnosis #Algorithm #causes