18 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
, may also see skin ... Infectious: • Bacterial ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Testosterone - Coumadin skin ... atherosclerotic lesions ... 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
purple, hemorrhagic skin ... lesions that result ... deficiencies - PNH ... 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
Orf Virus - Cutaneous Finger Lesions

35 year old butcher presents with these lesions one week after
Orf Virus - Cutaneous ... Finger Lesions ... - Caused by Orf ... #photo #dermatology ... #skin
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
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
DERMATOMYOSITIS Cutaneous ... ulcerations • Skin ... lesions: antihelix ... auricular papules Clinical ... Dermatomyositis #rheumatology
If you haven't seen it, flecainide can cause significant yellowing of the skin and eyes.
flecainide can cause ... yellowing of the skin ... #sideeffects #clinical ... #photo #nails # ... cardiology #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
lesions • Mononeuritis ... tract, and often causes ... Thrombosis and arterial ... strong sign of cutaneous ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... 3rd Decade Skin ... papulosquamous lesions ... • May involve PNS ... Erythematosus #Diagnosis #Rheumatology