8 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... bronchiectasis: 'signet ring ... Clinical #Diagnosis #Radiology ... #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
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
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
dysfunction • Imaging: ring-enhanced ... contrast enhancement Brain ... surrounding edema and ring-enhancement ... neurological symptoms • Caused ... Tuberculosis #diagnosis #differential
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
subpleural lung regions ... regardless of their cause ... #Diagnosis #Radiology ... #Honeycombing #Differential ... #RadiologyAssistant
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Imaging: - MRI - ring ... Demyelinating disease caused ... "punched-out" cystic ... CNS #Infections #differential