163 results
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Positive "spot sign ... " on Ocular Ultrasound ... Occlusion #Embolus #Clinical ... #POCUS #Ocular
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
Sulcus Sign on Shoulder Exam

Positive sulcus sign in a shoulder with multidirectional instability.

Downward force applied at
Sulcus Sign on Shoulder ... Exam Positive ... sulcus sign in ... #PhysicalExam #clinical ... #orthopedics #sports
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
are: - Normal in position ... vessels #Diagnosis #Radiology ... #Enlargement #Differential ... Unilateral #Bilateral #RadiologyAssistant
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
Lelli's Test (Lever Sign ... Positive on the ... #Test #Lever #Sign ... cruciate #ligament #clinical ... #physicalexam #sports
Landolfi’s Sign on Physical Exam

A 73-year-old man presented with shortness of breath. On ocular exam, pupil
Landolfi’s Sign ... On ocular exam, ... #PhysicalExam #Clinical ... #Video #Ocular ... AorticRegurgitation #Cardiology
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... nodules and the nodular ... #Diagnosis #Radiology ... #Differential # ... RadiologyAssistant
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
- Positive sign ... Patellar #Grind #clinical ... #orthopedics #sports
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Pathogenesis and Clinical ... tenderness • Positive ... XR — scotty dog sign ... vertebrae • CT - collar ... pathophysiology #signs
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... #Clinical #Radiology ... SilhouetteSign #RadiologyAssistant