128 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... : • Chest pain ... Legionella: • Nausea ... factor • May cause ... reported in 100% of cases
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Bilateral Peripheral ... Organizing Pneumonia ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... with peripheral ... with peripheral ... #HRCT #CTChest ... Pattern #Comparison #Table
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... weight loss or long ... include the list of causes ... caused by Streptcoccus ... #Clinical #Radiology
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest ... radiopaedia.org/cases ... lobes #Segments #Chest ... #CT #CTChest #pulmonary ... #clinical #radiology
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
- Bacterial Pneumonias ... Tuberculosis - Lung ... Cancer of the Lung ... #Differential #Causes ... #Table
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Peripheral distribution ... cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... #Diagnosis #Radiology ... #Differential #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... listed in the table ... #Diagnosis #Radiology ... #Pulmonary #CTChest
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
anteriorly in the left lung ... caused by Sterptococcus ... pneumoniae. ... #Clinical #Radiology ... #CXR #Pneumonia
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Lung Disease - ... and periphery, ... Metastases to lung ... Diseases #ILD #Causes