13 results
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 ... hypergammaglobulinemia, ↑ acute ... #rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
interstitial lung ... AIP: acute interstitial ... RA: rheumatoid arthritis ... CTILD #Diagnosis #Differential ... Table #Pulmonary #Rheumatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... ) • CXR upright ... seen • Chest CT ... Abscess Differential ... Abscess #pulmonary #differential
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
area of the left lung ... The differential ... her history of treatment ... PCC #Radiology #CXR ... #Oleothorax #NEJM
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
in Sickle Cell Disease ... Generally affects long ... Osteomyelitis / Septic Arthritis ... • Differentiate ... #differential #
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
very remarkable w/differential ... in literature (NEJM ... cases (Cornelia NEJM ... day, followed by long ... them, but urgent rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: • Acute ... permanent alopecia Differential ... Clinical Features: Lungs ... hemorrhage • Shrinking lung ... and leukemia • Lung
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... of the affected lung ... high-resolution chest CT ... mycobacteria Treatment ... Bronchiectasis #pulmonary #differential
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Pyrophosphate Deposition Disease ... Pseudogout: Treatment ... CPPD disease ... ≥2 attacks • Long-term ... #Rheumatology #
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... , pancreas, stomach ... , pancreas, stomach ... • Nonerosive arthritis ... #differential #