23 results
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
- Differential Diagnosis ... Systemic Diseases ... (most common: lung ... , Aneurysm • Pancreas ... #causes #primarycare
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... sclerodermia, rheumatoid arthritis ... with rheumatoid arthritis ... #Diagnosis #Radiology ... ILD #Findings #RadiologyAssistant
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... Clinical history ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Lung Abscess - Clinical ... seen • Chest CT ... #differential #causes
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... in literature (NEJM ... identifies 85 to 95% of cases ... (Cornelia NEJM ... day, followed by long
Plain radiography of the abdomen revealed calcification of both adrenal glands. A homozygous mutation in LIPA
confirmed the diagnosis ... deficiency, or Wolman’s disease ... and gut, which causes ... #clincial #peds ... calcifications #infant #NEJM
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... 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
status NTM Cause ... : Clinical Manifestations ... Lung Disease: ... • Clinical (Symptoms ... Imaging, high res CT
Echinococcal Cysts in the Liver- The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory
Hydatid disease ... is caused by the ... #clinical #NEJM ... hepatic #radiology #CT
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... nodular interstitial lung ... disease, that is ... #Clinical #Diagnosis ... #RadiologyAssistant