9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... lung disease comes ... low attenuation (table ... #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 ... on HRCT and histology ... #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
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... a predominant finding ... differential diagnosis (Table ... pulmonary edema ... #Pulmonary #HRCT
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 #
Based on the images alone, it is usually not possible to determine the cause of the
findings. ... edema - filling ... this is nodular interstitial ... lung disease, that ... #CXR #Lobar #Consolidation
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
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
finding in HRCT ... peribronchovascular interstitium ... edema. ... #Clinical #Radiology ... Pattern #Comparison #Table
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
In the lungs LV ... fluid into the interstitium ... disease and causes ... #CHF #CXR #Features ... #Findings #Diagram