49 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... (3%) • Infections ... #dermpath #dermatology ... #semiology #signs ... #lesions #diagnosis
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Infectious: ... , Candida Non-Infectious ... Mediterranean Fever • Vasculitis ... - Metastatic: Lung ... #Causes #cardiology
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Causes of Diffuse Lung ... - Toxic gas Vasculitides ... cell arteritis Infectious ... chemotherapy #Diagnosis ... #Radiology #Pulmonology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... , infections, drug ... Disease • Cogan syndrome ... #skin #dermatology ... #differential #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... SLE) - Viral infections ... Kasabach-Merritt syndrome ... APLS • Acute Infectious ... #nonpalpable #dermatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hypogammaglobulinemia -> increased infection ... history of recurrent infections ... disease • Infectious ... community-acquired infections ... Malignancies • Chronic infections
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Rheumatologic, Vasculitides ... Kawasaki, Nephrotic syndrome ... TPO, TPO-RA • Infections ... : Chronic infections ... bacterial and viral infections
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
- Differential Diagnosis ... Viral: Measles, Infectious ... , DRESS, Sweet syndrome ... , Vasculitis SCVMC ... #dermatology
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
and bacterial infections ... hours • Viral infections ... • Rickettsiae infections ... Pyogenic/focal infection ... viral source Non-Infectious
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... parvovirus B19 infection ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #differential #diagnosis