21 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
or air-filled lesions ... cysts (LAM, LIP ... #Diagnosis #Radiology ... LowAttenuation #Differential ... #Diagram #Comparison
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
• 80% with lung ... Infectious: ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential ... DiagnosisInfections ... Malignancy: Metastases (lung ... #Differential # ... #radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... diagnosis there ... the surrounding lung ... #Radiology #CTChest ... Emphysema #Comparison
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... nodule, Hepatic cyst ... CT #MRI #POCUS #radiology ... #differential # ... diagnosis #comparison
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
pulmonary embolus I = infection ... - bronchogenic cyst ... #Diagnosis # ... Mnemonic #Cavitary #Lesions ... #Differential #
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
: Only a few lesions ... diagnosis. ... subchondral bone cyst ... diagnosis. ... Diaphysis #Epiphysis #Radiology
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Diagnosis Algorithm ... • Bronchogenic Cyst ... Metastases ("cannonball lesions ... Breast, Testicle) Infection
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver Lesions ... nodule, Hepatic cyst ... ComputedTomography #CT #radiology ... #differential # ... diagnosis #comparison
Causes of Increased Amylase (Hyperamylasemia)
Increased serum amylase is not always due to pancreatitis. Here are some
Pancreatic, Ovarian, Lung ... Ectopic, Ovarian cyst ... , Pelvic infection ... Intracranial, COVID ... #differential #