10 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... RingEnhancing #Lesions #Brain ... #differential #diagnosis ... #causes #radiology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Arthritis) - MSK Radiology ... Case description ... • PVNS/Giant Cell ... #clinical #Radiology ... #rheumatology
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
focal lesions on MRI ... Causes of false- ... amyloidosis Other causes ... Gammopathies #MGUS #diagnosis ... #hematology #oncology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
autoantibodies that will cause ... thrombosis and/or blood-brain ... permeability Diagnosis ... #neurology #rheumatology ... #cerebritis #diagnosis
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
subthalamic nuclei, pons ... patterns (this case ... Syndrome #Clinical #MRI ... #Brain #Diagnosis ... #Radiology
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
Common MRI Sequences ... - Basic MRI Brain ... hematomas and pus ... #Sequences #Radiology ... Neuroradiology #diagnosis
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
involvement • 30%: CNS ... -> AML: Blast crises ... count ↑ PLT • ↑ PBS ... #Leukemia #Hematology ... #Oncology #Diagnosis
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
blisters containing pus ... Rule out other causes ... - MRI: inflammation ... SAPHO #Syndrome #Rheumatology ... #Dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... oligoclonal bands • MRI ... tract, and often causes ... #Rheumatology
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... Nausea & vomiting ... drained at time of diagnosis ... #Brain #clinical ... #radiology