15 results
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 ... #rheumatology
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
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Chest CT: • Ground-glass ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology
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 ... #AIDS #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... mucogenicum • HIV ... Advanced HIV (CD4 ... Hematologic malignancy ... Imaging, high res CT
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... Antimicrobial treatment ... enhancement on CT ... Demyelinating disease ... caused by the JC
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... high-resolution chest CT ... , CCP, ANCA • HIV ... mycobacteria Treatment
Hepatic Encephalopathy - Diagnosis and Management Summary
Definition:
 • Alteration in brain function manifested by neuropsychiatric symptoms
neuropsychiatric symptoms • Caused ... rule out other causes ... over course of disease ... supplementation, IV ... #hepatology
Causes of Unintentional Weight Loss - Differential Diagnosis
Malignancy 
 - Tumor effect* (esp. Gl, lung, lymphoma)
Causes of Unintentional ... Gl, lung, lymphoma ... ) - Treatment ... disorders Infections: HIV ... /AIDS, Tuberculosis
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Causes purpura & ... Related Acute Lung ... TRALI resembles ARDS ... Extremely rare - HIV ... diagnosis #management #hematology