13 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... indicates unknown cause ... and interstitial ... Diagnosis #Radiology #Pulmonary ... ILD #Findings #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... lung disease and ... seen and in many cases ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... this is nodular interstitial ... lung disease, that ... Consolidation #Causes ... #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... • Most common cause ... seen • Chest CT ... Management: • ... #Abscess #pulmonary
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Granulomatous lymphocytic interstitial ... lung disease (GLILD ... Chest CT: • Ground-glass ... DDX - Other causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Other tests: • CT ... sparing of the lung ... seen on chest CT ... differential #diagnosis #management
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
masses & should ... a repeat chest CT ... disease and coronary ... artery disease; ... Management options
The distribution of nodules shown on HRCT is the most important factor in making an accurate
peribronchovascular interstitium ... distribution In certain diseases ... structures of the lung ... Diagnosis #Radiology #Pulmonary ... Comparison #Diagram #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Hypocomplementemia • Can cause ... : • 10%-15% Pulmonary ... , INC risk PE, Pulmonary ... MALT Lymphoma • Lung ... Rheumatology #Diagnosis #Management