11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... lung disease and ... #Diagnosis #Radiology ... #Pulmonary #CXR
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
physical exam findings ... likely it will be clinically ... , Interstitial Pulmonary ... #patterns #rheumatology ... #diagnosis #differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
' per se. ... indicates unknown cause ... and interstitial ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Based on the images alone, it is usually not possible to determine the cause of the
non-pulmonary findings ... between these chest ... lung disease, that ... #Clinical #Diagnosis ... #Radiology #CXR
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... ab • RF • Antinuclear ... salivary ducts Clinical ... MALT Lymphoma • Lung ... Sjogrens #Syndrome #Rheumatology
Common Variable Immunodeficiency (CVID)

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

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Hematologic malignancy ... Disease: Clinical ... • Dyspnea, • Chest ... Imaging, high res CT
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... discrepancies Findings ... LFT • ESR • ANA ... SLE) • Urinalysis ... #rheumatology #
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
fluid into the interstitium ... disease and causes ... can be seen on a chest-film ... #Diagnosis #Radiology ... CXR #Features #Findings
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Findings on bronchoscopy ... a diagnosis of ... indicated stage IV disease ... #NEJM #clinical ... #radiology #CT #