Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Clinical #Diagnosis #Radiology ... #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... #Clinical #Radiology ... LowAttenuation #Cystic ... Pattern #Comparison #Table ... #RadiologyAssistant
Diagram of different types of bone tumors that can occur around the knee on XRay -
- punched out lesions ... degenerative subchondral cyst ... Diagnosis #Bony #Differential ... #Radiology #XRay ... #msk #lesions #
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 ... #Diagnosis #Radiology ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
unicameral bone cyst ... Aneurysmal bone cyst ... degenerative subchondral cyst ... #Bony #Differential ... #Diagnosis #Radiology
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
Multiple masses The differential ... listed in the table ... is difficult to differentiate ... #Management #Radiology ... #RadiologyAssistant
Diagram of different types of bone tumors that can occur around the knee on XRay -
other aggressive lesion ... unicameral bone cyst ... Aneurysmal bone cyst ... Diagnosis #Bony #Differential ... #Radiology #XRay
Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
#Diagnosis #Radiology ... Mediastinal #Mass #Differential ... #Table #Anterior ... Middle #Posterior #RadiologyAssistant
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
The table lists ... the differential ... #Diagnosis #Radiology ... Consolidation #Differential ... #RadiologyAssistant