18 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... , may also see skin ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Extrapulmonary manifestations of sarcoidosis.
a. Endobronchial cobblestones (a nodular appearance of the tracheal wall mucosa). 
b. Diffuse
earlobe due to skin ... of the skin). ... thickening of the skin ... manifestations #clinical ... #photo #diagnosis
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Blastomycosis Skin ... painless, progressive skin ... Diagnosis? ... Blastomycosis- 2 types of skin ... #photo
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... #dermatology #photo
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... Diagnosis: • ... stimulation of skin ... Imaging studies: • MRI ... #neurology
Parosteal Lipoma - MSK Radiology
Imaging Findings:
 • Frontal radiograph displays a radiolucent soft-tissue mass with internal
Parosteal Lipoma - MSK ... Parosteal #Lipoma #clinical ... #mri #clinical ... #Radiology #diagnosis ... #msk
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... injury) • Neurologic ... retinal damage) • Skin ... test (this is a skin ... Behcet disease) Differential
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
wax and wane; diagnosis ... trauma leads to skin ... biopsy preferred Differential ... papulonodular lesions ... #photo #hand
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... think about three clinical ... - Supranuclear lesions ... Redundant eyelid skin ... #Differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... commonly affects the skin ... • Affects the skin ... cmpkx deposits skin ... Vasculitis: • Skin