160 results
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 ... #CTChest #Cystic
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
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... doi.org/10.1016/j.chest ... .2016.12.033 #Halo #Sign ... Pulmonary #diagnosis #radiology ... #clinical
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Feeding #Vessel #Sign ... Pulmonary #diagnosis #radiology ... #clinical
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
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
left we see a chest ... the appropriate clinical ... #Clinical #Radiology ... #CXR #CTChest # ... FingerInGlove #Sign
Garland Triad on Chest X-Ray in Sarcoidosis 
aka Pawnbroker's Sign - Right paratracheal and bilateral hilar
Garland Triad on Chest ... aka Pawnbroker's Sign ... Garland #Triad #Chest ... #Pawnbrokers #Sign ... #clinical #radiology
Abdominojugular (Hepatojugular) Reflux

Described by Pasteur in 1885 as a physical sign of TR. Still useful for
as a physical sign ... Positive reflux= ... #PhysicalExam #Clinical ... #VolumeStatus #Cardiology
Parasternal Short axis, fan proximal and look for Aortic Valve in a plane shows all three
Parasternal Short ... "Mercedes Benz Sign ... Aorta #mercedes #sign ... Echocardiogram #POCUS #Clinical ... #cardiology #PSAX
Doge Cap Sign on Abdominal X-Ray aka Morrison Pouch Sign
Triangular shaped lucency below the 11th rib
Doge Cap Sign on ... Morrison Pouch Sign ... resembles the headgear sported ... Abdominal #XRay #kub #clinical ... #radiology