6 results
Liver Mass - Differential Diagnosis Algorithm
Cystic:
 • Benign 
     - Simple: Simple
Diagnosis Algorithm ... Benign - Infectious ... - secondary - Breast ... , Lung, Colon etc ... #Causes #Hepatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Common Variable ... - gastric and breast ... Chest CT: • Ground-glass ... levels are within normal ... DDX - Other causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... lesions < 4cm + mass ... enhancement on CT ... Demyelinating disease caused ... periventricular areas
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
syndrome:  Most common ... cause of acute ... lower to upper areas ... Multiple Sclerosis: CNS ... level, MRI shows mass
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... , Shortness of breath ... Lymphadenopathy, CNS ... factor • May cause
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
definition: Most common ... vasculitis vs infection ... 50 in GCA, but normal ... GCA can present variably ... required +/- prompt ophthalmology