31 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
of Bleeding / Bruising ... • Steroids • Vasculitis ... #Bleeding #Bruising ... Algorithm #Causes #Hematology
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
erythematous painful ... sometimes have “bruising ... Differential Diagnosis #Dermatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... 50% Cutaneous Vasculitis ... Leukocytoclastic Vasculitis ... #skin #dermatology ... #rheumatology #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... purpura (16%) • Painful ... #Dermatologic ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Symptoms: B-symptoms, bruising ... Diagnosis #Algorithm #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Ig A vasculitis ... HCV, HBV Not Vasculitis ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
Clinical • Easy bruising ... Disease #Diagnosis #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Inflammatory Conditions: Rheumatologic ... , Vasculitides, ... Diagnosis #Algorithm #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome • Vasculitis ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
HUS • DIC • Vasculitis ... Algorithm #Causes #Hematology