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

78 yo M with sudden onset
Central retinal ... Positive "spot sign ... " on Ocular Ultrasound ... Embolus #Clinical #POCUS ... #Ocular #Ultrasound
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... emphysema: no walls, central ... Clinical #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... Occlusion (CRAO) on Ocular ... intra-arterial spot sign ... Occlusion #CRAO #Ocular ... #ultrasound #ophthalmology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
can identify the central ... dot sign. ... #Clinical #Radiology ... #CXR #CTChest # ... Histiocytosis #Cystic #RadiologyAssistant
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
describes his centrally ... Vital signs: BP ... This post will focus ... a chest x-ray (CXR ... not seen on a CXR