11 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... woman of child-bearing ... #Clinical #Radiology ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... (LAM): regular cysts ... woman of child-bearing ... #Clinical #Radiology ... #Pattern #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... women in the child-bearing ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Emphysema - Lung cysts ... can be readily ... #Diagnosis #Radiology ... Differential #Diagram #Comparison
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... TB: Tree-in-bud appearance ... before the typical cysts ... #Clinical #Radiology ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... TB: Tree-in-bud appearance ... before the typical cysts ... #Clinical #Diagnosis ... #Differential #Comparison
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... Computed Tomography (CT ... nodule, Hepatic cyst ... #differential #diagnosis ... #comparison #table
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver ... Computed Tomography (CT ... nodule, Hepatic cyst ... #radiology #differential ... #diagnosis #comparison
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
should be based on clinical ... enhancement on CT ... subcortical white matter ... visual changes, hearing ... "punched-out" cystic
Raindrop Skull- ...A skeletal survey showed diffuse osteopenia, a pubic bone fracture, and numerous radiolucent lesions
, which had an appearance ... raindrop skull” — a pattern ... The diagnosis was ... #NEJM #clinical ... #radiology #skull