22 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : round cysts, evenly ... bronchiectasis: 'signet ring ... #Cysts #Differential ... Comparison #Table #RadiologyAssistant
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
evaluating multiple ring-enhancing ... #cns #brain #diagnosis ... #differential # ... algorithm #causes ... #radiology #neurology
MAGIC DR – a handy mnemonic used to remember the potential causes of a cerebral ring
the potential causes ... of a cerebral ring ... enhancing lesion ... MAGICDR #DRMAGIC #Differential ... #Brain
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Immunocompetent Multiple Ring-Enhancing ... an incomplete ring ... #Brain #differential ... #diagnosis #causes
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
unicameral bone cyst ... Aneurysmal bone cyst ... Osteoid osteoma • Ewing ... degenerative subchondral cyst ... #Bony #Differential
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring ... trapping A signet-ring ... dilated bronchus (ring ... The most common cause ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
or air-filled lesions ... Emphysema - Lung cysts ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts ... Emphysema #SignetRing #RadiologyAssistant
Diagram of different types of bone tumors that can occur around the knee on XRay -
unicameral bone cyst ... Aneurysmal bone cyst ... Osteoid osteoma • Ewing ... Diagnosis #Bony #Differential ... #Radiology #XRay
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
Honeycomb cysts ... regardless of their cause ... Subpleural honeycomb cysts ... which subpleural cysts ... #RadiologyAssistant
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... Tracheomalacia • Vascular ring ... • Bronchogenic cyst ... stenosis #Stridor #differential ... #diagnosis #causes