14 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Splenomegaly, Increased PMNs ... • Polycythemia ... Diagnosis #Algorithm #Causes ... #Hematology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... ringenhancing #lesions ... #cns #brain #diagnosis ... differential #algorithm #causes ... #radiology #neurology
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
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
hemorrhagic skin lesions ... • Secondary Causes ... deficiencies - PNH ... Differential #Diagnosis #hematology ... #rheumatology #
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... autoantibodies that will cause ... thrombosis and/or blood-brain ... Erythematosus #SLE #CNS ... #neurology #rheumatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
atherosclerotic lesions ... considered in all cases ... coagulation and other causes ... - COVID-19 - PNH ... pathophysiology #hematology
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
barrier- but masses ... give contrast, masses ... hematomas and pus ... in many other lesions ... MRI #Sequences #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 ... mri #clinical #Radiology ... diagnosis #msk #rheumatology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
blisters containing pus ... Pustular skin lesions ... Rule out other causes ... SAPHO #Syndrome #Rheumatology ... diagnosis #management #Dermatology