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
functional status - Able ... metabolic equivalent able ... event, follow ACC algorithm ... Stable patients ... change CV risk Chest