11 results
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary Nodule ... masses & should ... Pulmonary nodules ... comorbidities, such as chronic ... artery disease;
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... pneumonia • Chronic ... seen • Chest CT ... #Abscess #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... status NTM Cause ... • Nodular or ... Centrilobular nodules ... Imaging, high res CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... Most Common Causes ... centrilobular nodules ... in the adjacent lung ... high-resolution chest CT
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... nodules, asthma ... Other tests: • CT ... sparing of the lung ... seen on chest CT
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... in fact this is nodular ... interstitial lung ... disease, that is ... #RadiologyAssistant
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... disease caused ... coalescence of the nodules ... Calcification (seen in CT ... XRay #labeled #pulmonary
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... Chest CT: • Ground-glass ... opacities • Nodules ... DDX - Other causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... • CT: Halo sign ... Abdominal pain, chronic ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
revealed multiple pulmonary ... nodules (Panel ... bacterial infection caused ... #NEJM #clinical ... #radiology #CT #