18 results
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Long DDx: hypertension ... , diabetes, HIV, ... ophthalmology #Clinical
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
TB: • HIV • Recent ... disease • DM DDX ... are pulmonary • HIV ... TST or IGRA HIV ... : • HIV-infected
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
TB: • HIV • Recent ... disease • DM DDX ... are pulmonary • HIV ... TST or IGRA HIV ... : • HIV-infected
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Syndrome: • Clinical ... • Infections: HCV ... infection, HBV ... infection, HIV infection ... DDX: • ANCA (Antineutrophil
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Management Summary Clinical ... with passive AND active ... chills, malaise Ddx ... Ceftriaxone • HIV ... arthritis in sexually active
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 ... DDX - Other causes ... Epstein-Barr syndrome, HIV
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... Organizing Pneumonia - Clinical ... Diagnosis: • Lung ... legionella/strep, HIV ... Anti-dsDNA, ANCA COP DDX
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
satellite nodules • DDx ... massive fibrosis, active ... Galaxy #Sign #CT #Lung ... Pulmonary #diagnosis #radiology ... #clinical
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
cut-offs defined in clinical ... products - IV ... admin of mold-active ... Clav (may be + as long ... setting of GVHD) ID
Case of Fitz-Hugh-Curtis (FHC) on CT

28F +4d RUQ pain worse w/ inspiration, 102F fever, no vaginal
. (-) HIV, RPR. ... Washington University ID ... FitzHughCurtis #FHC #CT #Clinical ... #Radiology #Perihepatitis