30 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Differential Diagnosis ... polyangiitis) - ANCA-negative ... resolution chest CT ... #differential #diagnosis
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... infections according to CT-scan ... Varicella–Zoster virus NODULAR ... #Patterns #Pulmonary ... #Differential #Diagnosis
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
Arthritis - 2020 ACR-EULAR ... at least 1): Negative ... RF, negative anti ... Rheumatoid #Arthritis #diagnosis ... #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
With associated pulmonary ... Pauci-immune mediated (Negative ... #differential #diagnosis ... #algorithm #rheumatology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... Low Attenuation Nodular ... HighRes #Chest #CT ... #pulmonary #radiology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Differential Diaqnoses ... hepatitis • Pulmonary ... • Ocular: uveitis ... Stills #Disease #diagnosis ... management #treatment #rheumatology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
thrombophlebitis, pulmonary ... emboli, and ocular ... levels >1g/L • Negative ... cryoglobulins • Negative ... #rheumatology #
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
- Differential Diagnosis ... Algorithm Relative ... Cyanosis without Pulmonary ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
concentration PET-CT ... Imaging (→ Diagnostic ... • Some false negative ... Related #Disease #diagnosis ... workup #treatment #rheumatology
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... Obstruction 6) Rheumatologic ... Bronchiectasis #pulmonary ... #diagnosis #differential