10 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
(SLE), Systemic ... : Lupus (SLE), Systemic ... , Interstitial Pulmonary ... #patterns #rheumatology ... #diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Diagnosis: • ANCA-associated ... and CNS • Headache ... Kidney disease common ... #Diagnosis #Rheumatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... salivary ducts Clinical ... MALT Lymphoma • Lung ... Sjogrens #Syndrome #Rheumatology ... #Diagnosis #Management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
(CNS) dysfunction ... rash) • Heart, lung ... [SLE], AOSD) • ... #Management #Hematology ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Diagnosis: Systemic ... LFT • ESR • ANA ... SLE) • Urinalysis ... #diagnosis #rheumatology ... #classification
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... lung disease (GLILD ... Chest CT: • Ground-glass ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome Systemic ... of age • Most common ... ) Differential Diagnosis ... #management #signs ... #symptoms #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis: • Systemic ... , such as SLE, atherosclerotic ... Nodosa: • PAN most commonly ... chorioretinitis, CNS ... #Diagnosis #Rheumatology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... papules, pustules, erythematous ... Lymphadenopathy, CNS ... Infections #HIV #AIDS ... #pulmonary #differential
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
droppings • Most common ... symptoms • Rheumatologic ... yeast • At risk: AIDS ... MC: CNS CSF: • ... #Management #Infections