13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... Cystic #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... mass and NO prior signs ... - **MSK rads ... Differential diagnosis ... Radiology #diagnosis #msk
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... heart valves • MRI ... Underlying valve pathology ... often seen • MRI ... #Endocarditis #comparison
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Freiberg Infraction - MSK ... for secondary signs ... Differential diagnosis ... foot #clinical #mri ... Radiology #diagnosis #msk
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... The "double PCL sign ... Differential diagnosis ... BucketHandle #Tear #knee #mri ... Radiology #diagnosis #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Differential diagnosis ... GAGL): "Reverse J sign ... shoulder #clinical #mri ... Radiology #diagnosis #msk
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Anti-MDA5, anti-Mi ... heliotrope, shawl sign ... Inflammatory #Myopathies #differential ... #diagnosis #comparison
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... it difficult to differentiate ... pain, such as MI ... Pericarditis #Symptoms #Signs ... #Presentation #comparison
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Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
amyotrophy with the pathologic ... of UMN and LMN signs ... of UMN and LMN signs ... both UMN and LMN signs ... EMG: LMN Signs in
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... /Cranial nerve pathology ... test - Cogan sign ... - Peek sign ... immunologic assay - MuSK