11 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... patterns are also common ... of NSIP, UIP, OP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... , Sarcoidosis, NSIP ... HiRes #HighRes #Chest ... Differential #Diagnosis ... #pulmonary #radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... On a Chest X-Ray ... lung disease and ... #Diagnosis #Radiology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
lung disease (GLILD ... Chest CT: • Ground-glass ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
lung disease, it ... a predominant finding ... Kerley B lines on chest ... #Diagnosis #Radiology ... #CTChest #Reticular
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... Hypocomplementemia • Can cause ... • Lung Adenocarcinoma ... Sjogrens #Syndrome #Rheumatology ... #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: Pleuritic chest ... level seen • Chest ... CT Lung Abscess ... treatment until the chest ... causes #management
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
chest to evaluate ... Goodpasture's cause ... sparing of the lung ... typically seen on chest ... #diagnosis #management
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
History of EBV infection ... (NSHL) - (most common ... Serum Copper • Chest ... #hematology #oncology ... #management
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... Pneumonia: • Chest