8 results
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... Disorders: • Infection ... tuberculosis, fungal infections ... Adrenals: • Lung ... #endocrinology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacteria (NTM) Infections ... status NTM Cause ... infections • ... Hematologic malignancy ... Imaging, high res CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... Nasal polyps and signs ... in the adjacent lung ... high-resolution chest CT
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
, oral cavity) Caused ... susceptibility to infections ... ) Peptic Ulcer disease ... Hypercortisolism #Diagnosis #signs ... #symptoms #endocrinology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... #Infections #HIV
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... vasculitis vs infection ... in literature (NEJM ... (Cornelia NEJM ... GCA #Temporal #Signs
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tenderness → Consider infectious ... ) • Shawl sign ... , pancreas, stomach ... , pancreas, stomach ... statins - probably caused