23 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis ... refer + order CT ... disease #Chronic ... #Algorithm #causes
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 ... pneumonia • Chronic ... Lung Abscess - Clinical ... seen • Chest CT
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... hypertension due to lung ... Interstitial lung ... Classification #Diagnosis ... #Differential #Causes
Common Variable Immunodeficiency (CVID)

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

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... status NTM Cause ... Lung Disease: ... Imaging, high res CT ... #infectiousdiseases
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... Connective tissue diseases ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Chronic Pancreatitis

Definition: A pathologic fibroinflammatory syndrome of the pancreas in individuals with genetic, environmental, and/or other
Chronic Pancreatitis ... syndrome of the pancreas ... stress. 60% of CP cases ... • 1st line: CT ... sensitivity) Clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Framework Disease ... • CT: Halo sign ... Abdominal pain, chronic ... #infectiousdiseases
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... illness, clinical ... nodular interstitial lung ... disease, that is ... #Clinical #Diagnosis