21 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... Diseases (ILD) ... ILD caused by inhalation ... lung disease (RB-ILD ... #Lung #Diseases
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Lung Disease - ... space Infection ... #Lung #Diseases ... #ILD #Causes #Differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... indicates unknown cause ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #ILD #Findings
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 ... tuberculosis Infectious ... diagnosis #chestCT #radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... factor • May cause ... fever, rales, interstitial ... #AIDS #pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... sliding: Pulmonary ... edema, ARDS, interstitial ... lung disease, interstitial ... diffuse infections
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... Lymphocytic or lymphoid interstitial ... CXR +/- High res CT ... Diseases Fellows
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... rarely typical pneumonia ... differential #diagnosis #pulmonary ... CXR #clinical #CT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Granulomatous lymphocytic interstitial ... lung disease (GLILD ... Chest CT: • Ground-glass ... : Pneumonia • Autoimmune ... DDX - Other causes
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Lobar pneumonia ... this is nodular interstitial ... lung disease, that ... Clinical #Diagnosis #Radiology