28 results
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... Clinical history ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Lung Abscess - Clinical ... seen • Chest CT ... #differential #causes
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Lung Disease: ... • Clinical (Symptoms ... Imaging, high res CT ... #infectiousdiseases
Plain radiography of the abdomen revealed calcification of both adrenal glands. A homozygous mutation in LIPA
confirmed the diagnosis ... deficiency, or Wolman’s disease ... and gut, which causes ... #clincial #peds ... calcifications #infant #NEJM
Annular pancreas is a morphological anomaly which can cause duodenal obstruction. This condition is important to
anomaly which can cause ... first to make the diagnosis ... Radiographic Features of CT ... #radiology #ct ... #clinical #pancreas
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... disease caused ... Calcification (seen in CT ... Fibrosis #Silicosis #clinical ... #radiology #CXR
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Differential Diagnosis ... pulmonary #CXR #clinical ... #CT
Salmonella Aspiration on Microscopy

66 y/o male with history of coronary artery disease presents with abdominal pain.
coronary artery disease ... CT abd/pelvis shows ... international radiology ... Diagnosis ? ... Aspiration #Microscopy #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Framework Disease ... angioinvasive disease ... • CT: Halo sign ... #infectiousdiseases