38 results
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Lung Disease - ... Differential Diagnosis ... inflammation, most common ... Pulmonary Langerhans cell ... #Causes #Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... and Management ... infection • Most common ... seen • Chest CT ... #differential #causes
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... biliary, renal, lung ... concentration PET-CT ... increased IgG4+ cells ... #diagnosis #management
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
- Differential Diagnosis ... : lung, breast, ... : lung, breast, ... , Aneurysm • Pancreas ... #causes #primarycare
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... • Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other 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 ... Bronchiectasis #pulmonary #diagnosis
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
Biopsy of the lung ... patient received a diagnosis ... bacterial infection caused ... #NEJM #clinical ... #radiology #CT #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... Before we call these ... patterns are also common ... #Diagnosis #Radiology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Pain in Sickle Cell ... Generally affects long ... • Most common ... #differential #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Advanced HIV (CD4 cell ... Diagnosis Of NTM ... Lung Disease: ... Imaging, high res CT