13 results
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... due to lung disease ... lung disease Other ... #Diagnosis #Differential ... #Causes
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... Obstruction 6) Rheumatologic ... /Autoimmune diseae ... Bronchiectasis #pulmonary ... #diagnosis #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... Most Common Causes ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... status NTM Cause ... encounters due to NTM: Chronic ... Lung Disease: ... Imaging, high res CT
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
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 ... DDX - Other causes ... Malignancies • Chronic
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
yield of available diagnostic ... masses & should ... comorbidities, such as chronic ... disease and coronary ... artery disease;
Causes of Unintentional Weight Loss - Differential Diagnosis
Malignancy 
 - Tumor effect* (esp. Gl, lung, lymphoma)
Causes of Unintentional ... Gl, lung, lymphoma ... Infections: HIV/AIDS ... cachexia"), COPD ("pulmonary ... #Causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... Abdominal pain, chronic ... factor • May cause ... Infections #HIV #AIDS ... #pulmonary #differential
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... • Nonspecific chronic ... bronchus • Chest CT ... Noninfectious Causes ... Tracheobronchial Diseases