14 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
knowledge about imaging ... low attenuation (table ... On a Chest X-Ray ... detected on a chest ... When the cysts have
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Characteristics Sensitivity ... findings, and Imaging ... Cholecystitis #Testing ... Characteristics #Table ... #Sensitivity #Specificity
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... bizarre shaped cysts ... Radiology #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... multiple thick walled cysts ... (LAM): regular cysts ... Radiology #HRCT #CTChest ... #Comparison #Table
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... Radiology #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... Differential #Comparison #Table
Additional Modalities for Workup of GI Bleed (Other than EGD + Colonoscopy)

Pill endoscopy
 • Able to
endoscopy limits, high sensitivity ... perform prolonged imaging ... bowel duplication cysts ... gastroenterology #table ... #imaging #modalities
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
14th CXRs 2-view chest ... mSv 200 CXRs Chest ... Radiation #Doses #Imaging ... Nuclear #Comparison #Table ... #Risks #Testing
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Adults from Common Imaging ... 1 year MEN’S IMAGING ... years WOMEN’S IMAGING ... Nuclear #Comparison #Table ... #Risks #Testing
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
event, follow ACC algorithm ... Stable patients ... change CV risk Chest ... surgery Stress Testing ... preoperative stress testing