23 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Infectious: • Bacterial ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
associated with bacterial ... endocarditis, in this case ... Photo credit, Josh ... Images #Clinical ... #Photo #Dermatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
atherosclerotic lesions ... considered in all cases ... coagulation and other causes ... - COVID-19 - PNH ... pathophysiology #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
hemorrhagic skin lesions ... deficiencies - PNH ... gangrenosum • Bacterial ... Differential #Diagnosis #hematology ... #rheumatology #
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... vasculitis) • Cutaneous ... Vascular Disease: Arterial ... Behcet syndrome (Clinical ... signs #symptoms #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... Erythematosus (SLE) Clinical ... autoantibodies that will cause ... thrombosis and/or blood-brain ... #neurology #rheumatology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
organ damage Clinical ... involvement (2%) Cutaneous ... Treat primary cause ... Coagulation #diagnosis #causes ... treatment #management #hematology
Orf Virus - Cutaneous Finger Lesions

35 year old butcher presents with these lesions one week after
Orf Virus - Cutaneous ... Finger Lesions ... - Caused by Orf ... Just my clinical ... #photo #dermatology
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
Contrast material ... barrier- but masses ... hematomas and pus ... in many other lesions ... MRI #Sequences #Radiology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Strong sign of cutaneous ... syndrome • Coronary arteries ... tract, and often causes ... Thrombosis and arterial ... Differential #Diagnosis #Rheumatology