18 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... heart valves • MRI ... in up to 30% of cases ... often seen • MRI ... #Endocarditis #comparison
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... the patient is unable ... Froment's Sign is ... #Nerve #Palsy #clinical ... #video #neurology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
hypertension and signs ... 109 mm Hg) with clinical ... renal bruit or signs ... Neurologic disorders ... #Differential #
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Case description ... mass and NO prior signs ... or clinical history ... Differential diagnosis ... #clinical #Radiology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
life-threatening causes ... pain, such as MI ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
workup 1) Clinical ... MRI, iADL scale, ... Alzheimer - 1st cause ... (parkinsonian signs ... MNCD #Dementia #Differential
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... Differential diagnosis ... GAGL): "Reverse J sign ... #mri #clinical ... #Radiology #diagnosis
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Case description ... for secondary signs ... • Unstable 2nd ... Differential diagnosis ... #mri #clinical
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
The "double PCL sign ... Case description ... Differential diagnosis ... BucketHandle #Tear #knee #mri ... #clinical #Radiology