9 results
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
years Clinical ... lung disease (GLILD ... Chest CT: • Ground-glass ... hypogammaglobulinemia #immunology ... #hematology #diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... Syndrome (MAS) ... #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Diagnosis: • ANCA-associated ... fibromyalgia) • Infections ... Kidney disease common ... Chronic B-cell activation ... #Rheumatology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... function of alveolar macrophages ... fever, rales, interstitial ... #AIDS #pulmonary
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
disease Differential ... to exclude are infections ... ) pattern: antibodies ... SLE) • Urinalysis ... #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
lung disease Malignancy ... lung disease • ... : Fever, joint pain ... lung disease • ... Myositis #Myopathy #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, such as SLE, atherosclerotic ... Nodosa: • PAN most commonly ... Palpable purpura, joint ... inflammatory lesions - interstitial ... Diagnosis #Rheumatology
Relapsing Polychondritis

What is it?
Recurrent inflammation of the cartilage in the body (Autoimmune disorder)

Who?
• Most frequently: 40
: • SLE • RA - ... Anti-Matrilin-1 Ab ○ Antibodies ... Nonspecific ↑ ESR, CRP, ANA ... Polychondritis #rheumatology ... #diagnosis #management
Mycoses

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