17 results
Decompression Sickness - The physical examination revealed diffuse violaceous skin mottling over his trunk and arms
mottling over his ... extent of the nausea ... and vomiting as well ... #Pneumatosis #CT ... #NEJM
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... increased IgG4+ cells
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... seen • Chest CT ... hemorrhage • Treatment ... #differential #causes ... #management #treatment
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Advanced HIV (CD4 ... cell counts less ... Imaging, high res CT ... differential #diagnosis #infectiousdiseases
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
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Antimicrobial treatment ... enhancement on CT ... Demyelinating disease ... caused by the JC ... opportunistic #InfectiousDiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... factor • May cause ... differential #diagnosis #infectiousdiseases
Vibrio vulnificus Infection- At the time of presentation, hemorrhagic bullae measuring 3.5 by 4.5 cm had
on the palm of his ... vulnificus can cause ... contaminated seawater, as well ... chronic liver disease ... clinical #photo #NEJM
Echinococcal Cysts in the Liver- The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory
a normal white-cell ... Hydatid disease ... is caused by the ... #clinical #NEJM ... hepatic #radiology #CT
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Squamous-Cell Carcinoma ... disease... ... #NEJM #clinical ... #radiology #CT # ... squamous #cell #