26 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung abscess ... seen • Chest CT ... Abscess Differential ... causes #management
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Polycystic Liver Disease ... • Adenoma • Abscess ... Hepatocellular Carcinoma ... Lung, Colon, Breast ... Diagnosis #Algorithm #Causes
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... disease or CHF) ... refer + order CT ... History of cancer, lung ... Diagnosis #Algorithm #causes
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... (most common: lung ... (most common: lung ... , Aneurysm • Pancreas ... #Diagnosis #causes
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
in 24h Airway disease ... Necrotizing PNA, Abscess ... Malignancy: Primary lung ... Postprocedural, Lung ... Diagnosis #pulmonary #causes
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
CA, Bronchial carcinoid ... westermani, PNA, Lung ... abscess, Aspergillosis ... syndrome • Valvular Disease ... Diagnosis #pulmonary #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 ... #diagnosis #management
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... segment or lobe of lung ... involving both lungs ... Rheumatologic/Autoimmune diseae ... pulmonary #diagnosis #differential
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
Causes of Cystic ... Renal Mass - Differential ... Polycystic Kidney Disease ... contrast - Carcinoma ... - Abscess - Fever
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... - M. abscessus ... chelonae • M abscessus ... Imaging, high res CT ... NTM #Infections #differential