🐑 Chapter 350 · Echinococcosis (Hydatid Disease)

Nelson Textbook of Pediatrics 22nd Edition | Echinococcosis is caused by tapeworms of the genus Echinococcus. Cystic echinococcosis (CE)E. granulosus sensu lato (sheep/dog tapeworm) → hydatid cysts in liver (most common) and lungs. Alveolar echinococcosis (AE)E. multilocularis (fox/dog tapeworm) → infiltrative liver lesions mimicking cancer. Transmission: ingestion of eggs from dog/fox feces. Clinical: hepatomegaly, abdominal pain, obstructive jaundice (CE); AE can cause liver failure. Diagnosis: ultrasound (CE: cyst classification), serology (ELISA), CT/MRI. Treatment: CE → surgery, PAIR (percutaneous aspiration, instillation, reaspiration), or albendazole. AE → radical surgery + prolonged albendazole.

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📋 30 Clinical Scenarios — Echinococcosis

📇 High‑Yield Review Cards (Echinococcosis)

🩺 Recognizing Echinococcosis

Select a clinical presentation for diagnosis and management.

📋 Step‑by‑Step Management of Echinococcosis

    💊 Treatment by Species & Stage

    DiseaseTreatment Options

    ⚡ Clinical Reflex Prompts — Echinococcosis

    📖 Complete Summary: Echinococcosis (Nelson Chapter 350)