6 results
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Autoimmune ... chemotherapy) • Genetic syndromes ... EBV. CMV. ... #Differential # ... Causes #lymphocytopenia
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... disease • Non-autoimmune ... rheumatologic diseases ... deficiencies • Autoimmune ... La, anti-Jo-1, SCL
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Causes of Purpura ... SLE (systemic lupus ... Purpura #Bruising #Causes ... #peds #pediatrics ... #diagnosis #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... inflammation Others: • Lupus ... mucositis - Rash ... such as systemic lupus ... #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... Symptoms: • Gottron rash ... • ANA < 20 % IBM ... statins - probably caused ... #differential #
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
caused by uncontrolled ... Infections (e.g., EBV ... Malignancies ▪ Autoimmune ... of NK cells and CD8 ... Infections, malignancy, autoimmune