14 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Splenomegaly, Increased PMNs ... #Algorithm #Causes ... #Hematology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... • PVNS/Giant Cell ... #Radiology #diagnosis ... #msk #rheumatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... Better call hematology ... JAK2 V617F) and MPNs ... about secondary causes ... Algorithm #workup #hematology
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
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... • XR, MRI to ... Osteomyelitis / Septic Arthritis ... #differential #diagnosis ... #causes #hematology
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
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
- Differential Diagnosis ... condition that causes ... spinal cord and brain ... thickening can cause ... • Rheumatoid arthritis
SAPHO Syndrome Summary

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