21 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
infection • Most common ... pneumonia • Chronic ... seen • Chest CT ... Abscess Differential ... causes #management
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... refer + order CT ... History of cancer, lung ... disease #Chronic ... Diagnosis #Algorithm #causes
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Liver Mass - Differential ... Polycystic Liver Disease ... • Adenoma • Abscess ... Lung, Colon, Breast ... Diagnosis #Algorithm #Causes
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Neutrophils - Differential ... Bacterial • Abscess ... Lung, Bladder, Colon ... Myeloproliferative Disorder • Chronic
Liver Mass - Differential Diagnosis Algorithm
Cystic:
 • Benign 
     - Simple: Simple
Polycystic Liver Disease ... - Infectious: Abscess ... secondary - Breast, Lung ... , Colon etc Dr ... Diagnosis #Algorithm #Causes
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... : lung, breast, ... : lung, breast, ... , Aneurysm • Pancreas ... #Diagnosis #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 ... ) WHAT ARE COMMON ... Rheumatologic/Autoimmune diseae ... pulmonary #diagnosis #differential
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... lymphocytic interstitial lung ... 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 ... encounters due to NTM: Chronic ... Imaging, high res CT ... NTM #Infections #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... Bronchiectasis #pulmonary #differential