108 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Clinical #Diagnosis #Radiology ... #Differential #Comparison ... #Table #RadiologyAssistant
Epiglottitis (Thumb Sign) vs Normal Epiglottis comparison on Lateral Neck X-Ray

#Epiglottitis #ThumbSign #comparison #normal #Epiglottis #comparison
Epiglottitis (Thumb Sign ... Normal Epiglottis comparison ... Epiglottitis #ThumbSign #comparison ... normal #Epiglottis #comparison ... NeckXRay #clinical #radiology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
upgaze - Light-near ... retraction (Collier's sign ... → "setting sun sign ... diagnosis #pineal #neurology
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
Clinical #Diagnosis #Radiology ... CTChest #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
- Brugada's sign ... - Josephson's sign ... - Notching near ... VT #VTach #SVT #Comparison ... Versus #ecg #ekg #cardiology
Intracerebral hemorrhages (ICH) - Subdural, Epidural, Subarachnoid Comparison

Subdural hematoma 
• Crescent-shaped 
• Blood collection between dura
, Subarachnoid Comparison ... dura matter • Tear ... #Subarachnoid #Comparison ... #Neurology #Diagnosis
Woltman’s sign on Physical Exam

53-year-old man presented with fatigue and sensitivity to cold. A physical examination
Woltman’s sign on ... Physical Exam 53-year-old ... Woltman’s sign, ... deep-tendon reflex, is a neurologic ... Clinical #Video #Neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
• Light-near dissociation ... retraction (Collier's sign ... "setting sun" sign ... Parinauds #syndrome #neurology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Bucket Handle Tear ... - MSK Radiology ... The "double PCL sign ... Bucket Handle Tear ... mri #clinical #Radiology