21 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 ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... workup #treatment #rheumatology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... - Differential Diagnosis ... • Kikuchi Disease ... , Mediastinum, Lungs ... #Hematology #Oncology
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 ... #differential #causes
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... involving both lungs ... Obstruction 6) Rheumatologic ... /Autoimmune diseae ... Bronchiectasis #pulmonary #diagnosis
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
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
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 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 ... Infections #HIV #AIDS
Causes of Unintentional Weight Loss - Differential Diagnosis
Malignancy 
 - Tumor effect* (esp. Gl, lung, lymphoma)
Causes of Unintentional ... - Differential Diagnosis ... Gl, lung, lymphoma ... Infections: HIV/AIDS ... #Causes