8 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... : Lupus (SLE), Systemic ... , Interstitial Pulmonary ... #rheumatology #diagnosis ... #differential
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... Granulomatous lymphocytic interstitial ... lung disease (GLILD ... Chest CT: • Ground-glass ... DDX - Other causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Diagnosis: • ANCA-associated ... fibromyalgia) • Infections ... : • Symptoms limited ... Kidney disease common
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
ON CT? ... ) WHAT ARE COMMON ... /Autoimmune diseae ... Bronchiectasis #pulmonary ... #diagnosis #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... LFT • ESR • ANA ... ) pattern: antibodies ... SLE) • Urinalysis ... #diagnosis #rheumatology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... Constitutional symptoms ... fever, rales, interstitial ... #AIDS #pulmonary
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tenderness → Consider infectious ... lung disease Malignancy ... lung disease • ... lung disease • ... statins - probably caused
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, such as SLE, atherosclerotic ... Nodosa: • PAN most commonly ... often causes arthritis ... inflammatory lesions - interstitial ... #Diagnosis #Rheumatology