16 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... , may also see skin ... Infectious: ... Syphilis • Pyogenic Abscess ... #Brain #differential
Periorbital Cellulits: Note marked swelling and redness surrounding the eye due to infection. There is also
the eye due to infection ... evidence of an abscess ... Images #Clinical #Ophthalmology ... #Photo #Periorbital ... #Cellulits #UCSDH
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Leg Pain: • Infection ... : Cellulitis, Abscess ... entrapment • Infections ... • Inflammation/cellulitis
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Fistulas • Dieulafoy lesion ... Parenchyma: • Infection ... westermani, PNA, Lung abscess ... Aspergillosis • Rheumatic/lmmune
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
inflammation • Pauci-immune ... reticularis Differential ... • Goodpasture syndrome ... cell arteritis Infections ... diseases • Fungal infections
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... pus-filled sore (abscess ... SAPHO syndrome ( ... #Lesions #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... +/- myocardial infarction ... test (this is a skin ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Space occupying lesions ... : Brain abscess ... Polymyositis • Immune ... #Weakness #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... to exclude are infections ... , recent viral infection ... #Vasculitis #Differential
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
ring-enhanced lesion ... Reconstitution Inflammatory Syndrome ... stroke Tuberculous Abscess ... ring-enhancement lesion ... Tuberculosis #diagnosis #differential