31 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Ring-Enhancing Lesions ... Compatible syndrome + MRI ... lesions + toxo ... differential #diagnosis #causes
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
cord neurological lesion ... the site of a lesion ... Non-compressive Spinal Cord Causes ... Transverse myelitis - Neuromyelitis ... #spinal #cord #spinalcord
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... • Intrinsic Causes ... infarction which can be caused ... unilateral) #SpinalCord
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
Audiogram - Perform MRI ... to rule out RC Lesion ... • Brainstem Lesion ... • Metabolic Causes ... Diagnosis #Algorithm #Causes
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
compressive cord lesion ... less swollen - Lesion ... • Infectious causes ... or optic nerve lesions ... sclerosis (MS) - Neuromyelitis
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
Periphyseal Edema (FOPE lesion ... Case description ... : • FOPE lesions ... repeated follow-up MRI ... #clinical #mri
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
LLN B - Bony lesions ... 100 • >1 focal lesions ... on MRI studies ... Causes of false- ... amyloidosis Other causes
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
2-hyperintense lesion ... Case description ... however sometimes MR ... MR is able to distinguish ... Desmoid #clinical #mri
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Case description ... • MRI: Posterolateral ... torn ligament on MRI ... osteochondral lesion ... Syndrome #clinical #mri
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Case description ... HAGL) can be a cause ... WITHOUT Bankart lesion ... Reverse HAGL (RHAGL) lesion ... shoulder #clinical #mri