11 results
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR ... #Causes #RadiologyAssistant
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT ... Ag, Urine Histo ... HIVAIDS #workup #diagnosis
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
In this case a lung ... has caused a triangular ... On the CT we can ... #Clinical #Radiology ... #CXR #CTChest #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... seen • Chest CT ... Dermatitidis - Cryptococcus ... #Abscess #pulmonary
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Coccidioides spp., Cryptococcus ... Actinomyces spp., NHL; Lung ... Sarcoma • Focal Consolidation ... #differential #diagnosis ... #chestCT #radiology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... Goodpasture's cause ... ground glass or consolidative ... sparing of the lung ... seen on chest CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
centrilobular nodules, or consolidation ... in the adjacent lung ... of the affected lung ... parenchyma Diagnosis ... high-resolution chest CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... pneumonia (PJP), MAI, Cryptococcal ... • CT: Halo sign ... dyspnea • Lobar consolidation ... Infections #HIV #AIDS #pulmonary
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... may aid in the diagnosis ... In this case, pulmonary ... confirmed with chest CT ... #photo #CXR #EmergencyMedicine
Lung infarction
The radiographic features of acute pulmonary thromboembolism are insensitive and nonspecific.
The most common radiographic findings
Lung infarction ... Embolism Diagnosis ... In most cases of ... The peripheral consolidation ... #CXR #PulmonaryEmbolism