19 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... fever, cough and cavitary ... 100% of cases), anemia ... Infections #HIV #AIDS #pulmonary
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
CT • Air surrounding ... cavity • DDx: ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
we describe a chest ... X-ray, we are trying ... visible wall #CXR ... #Cyst #Lung #Pulmonary ... #Diagnosis #Radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess - Clinical ... Leukocytosis, anemia ... CT Lung Abscess ... #Abscess #pulmonary
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... Calcification (seen in CT ... #radiology #CXR ... #Chest #XRay #labeled ... #pulmonary
Left-Middle-Lobe Pneumonia - Radiography of the chest revealed a cardiac apex, aortic arch, and gastric bubble
infiltrate in the left lung ... was diagnosed. ... #Clinical #Radiology ... #CXR #Kartagener ... #NEJM
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... radiograph or CT ... Yield of blood CX ... #CAP #Diagnosis ... Management #treatment #Pulmonary