11 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... indicates unknown cause ... and interstitial ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... lung disease and ... #Diagnosis #Radiology ... #Pulmonary #CXR
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Patients • Diffuse Interstitial ... complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... #differential #diagnosis ... #chestCT #radiology
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... this is nodular interstitial ... lung disease, that ... #Clinical #Diagnosis ... #Radiology #CXR
The distribution of nodules shown on HRCT is the most important factor in making an accurate
peribronchovascular interstitium ... structures of the lung ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
Hampton hump is a radiologic ... periphery of the lung ... may aid in the diagnosis ... In this case, pulmonary ... confirmed with chest CT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Granulomatous lymphocytic interstitial ... lung disease (GLILD ... Chest CT: • Ground-glass ... DDX - Other causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
histologic pattern of pulmonary ... to confirm the diagnosis ... pattern at the lung ... #Clinical #Radiology ... UIP #Reticular #Interstitial
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
In the lungs LV ... fluid into the interstitium ... the result of long ... disease and causes ... #Diagnosis #Radiology