Both cystic echinococcosis and alveolar echinococcosis can be expensive and complicated to treat, sometimes requiring extensive surgery and/or prolonged drug therapy. The treatment used should be decided based on results from ultrasound images of the cyst. Treatments can include percutaneous treatment of the hydatid cysts with the PAIR (Puncture, Aspiration, Injection, Re-aspiration) technique, surgery, anti-infective drug treatments or simply watching and waiting.
Human cystic echinococcosis is diagnosed with imaging tools such as ultrasound or computed tomography, and its laboratory confirmation relies on serological tests.
Diagnosis of alveolar echinococcosis is based on clinical findings and epidemiological data, imaging techniques, histopathology and/or nucleic acid detection, and serology. Early diagnosis and radical (tumour-like) surgery followed by anti-infective prophylaxis remain the key elements. If the lesion is confined, radical surgery offers cure. Unfortunately, in many patients the disease is diagnosed at an advanced stage, and palliative surgery, if carried out without or with incomplete anti-parasitic treatment, frequently results in relapses
Echinococcosis
Echinococcosis is a parasitic disease that occurs in two main forms in humans: cystic echinococcosis (also known as hydatidosis) and alveolar echinococcosis, caused by the tapeworms Echinococcus granulosus and Echinococcus multilocularis, respectively.
Dogs, foxes and other carnivores harbour the adult worms in their intestine and evacuate the parasite eggs in their faeces. If the eggs are ingested by humans, they develop into larvae in several organs, mainly the liver and lungs.
Both cystic and alveolar echinococcosis are characterized by asymptomatic incubation periods that can last many years until the parasite larvae evolve and trigger clinical signs.
Both diseases can cause serious morbidity and death.
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