14 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... next to pleura and ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... sudden-onset shortness of breath ... travels from these areas ... in subcutaneous areas ... common finding associated
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
HIV-Associated Neurocognitive ... Disorder (HAND) ... impairment • Mild ... Decrease in striatal gray ... volume • Patchy areas
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
smoker with RB-ILD ... the well defined areas ... #Clinical #Radiology ... #CTChest #RBILD ... #Comparison #HypersensitivityPneumonitis
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
shows diffuse areas ... some mosaic pattern ... smoking #Clinical #Radiology ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
eastern Mediterranean ... areas; pain often ... can be associated ... with mild gastric ... in the knee-to-chest
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
The histologic pattern ... There are areas ... extensive areas ... #CTChest #AIP # ... AcuteInterstitialPneumonia #ILD