11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... low attenuation (table ... lung disease and ... #Diagnosis #Radiology ... #Pulmonary #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Patients • Diffuse Interstitial ... edema; ARDS, Metastatic ... complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... ID_fellows #HIVAIDS
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
histologic pattern of pulmonary ... A HRCT is needed ... HRCT demonstrated ... #Clinical #Radiology ... #Interstitial #
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... consistent with pulmonary ... edema must be present ... be detected on CT ... or CXR ● PaO2/
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
embolism, Pulm edema ... failure, COPD, Lung ... Lymphocytic or lymphoid interstitial ... +/- High res CT ... #Infections #HIVAIDS
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... differential diagnosis (Table ... pulmonary edema ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... edema - filling ... this is nodular interstitial ... lung disease, that ... #CXR #Lobar #Consolidation
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... , cavities • HRCT ... Pneumonia #COP #BOOP #pulmonary ... ILD #diagnosis #management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... Blood cultures • CXR ... early disease) • CXR ... seen • Chest CT ... #Abscess #pulmonary