Hypothesis: erythema nodosum leprosum is precipitated by an imbalance of T lymphocytes.
D004893:Erythema Nodosum / Q000209:etiology* / Q000276:immunology; D006801:Humans; D007105:Immune Complex Diseases / Q000150:complications; D007918:Leprosy / Q000209:etiology* / Q000276:immunology; D013601:T-Lymphocytes / Q000032:analysis* / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000032:analysis