18 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... Kasabach-Merritt syndrome ... deficiencies - PNH ... Gardner-Diamond syndrome ... gangrenosum • Bacterial
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Water - Pus ... Pulmonary HTN - Vasculitis ... Hepatopulmonary syndrome ... Barre - ALS - Transverse ... myelitis • Hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Testosterone - Coumadin skin ... • Nephrotic Syndrome ... coagulation and other causes ... - Vasculitis ... pathophysiology #hematology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Alpha & Mu) Skin ... et diutinum Neurologic ... Episodic angioedema+eosinophilia ... Paraproteinemias #Hematology ... Differential #Diagnosis #Oncology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, neurologic, and ... • Coronary arteries ... Polyangiitis): • Eosinophilia ... tract, and often causes ... Thrombosis and arterial
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• EGPA: - Eosinophilia ... tract, and often causes ... - Coronary arteries ... Thrombosis and arterial ... • Cogan Syndrome
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... SAPHO syndrome ( ... Eosinophilic folliculitis ... Sweet syndrome ... Differential #Diagnosis #Dermatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... response to local skin ... injury) • Neurologic ... Vascular Disease: Arterial ... signs #symptoms #rheumatology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... , may also see skin ... Infectious: • Bacterial ... differential #diagnosis #causes ... #radiology #neurology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... , breast CA - Hematologic ... Acral erythema - Bacterial ... Leukocytoclastic vasculitis ... #oncology