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Hydatidosis, also known as cystic Echinococcosis, is a widespread zoonosis, caused by a tapeworm of the genus Echinococcus. It presents a significant public health concern, particularly in endemic areas. The occurrence of disseminated hydatid disease is uncommon, even in regions where it is endemic, with an incidence ranging from 1 to 8%. The definitive diagnosis relies on parasitological method. In this work, we present an unusual case of disseminated hydatid disease that was diagnosed in the central parasitology-mycology laboratory of “The Ibn Sina University Hospital”. This is a 21-year-old patient, residing in a rural area, who presented with heaviness-type pain in the right hypochondrium, accompanied with nausea and vomiting. During the examination, the patient mentioned the contact with dogs. Abdominal radiography (Ultrasound and CT) revealed findings suggestive of multiple hydatid cysts located in the liver and peritoneum. This suspicion was confirmed by positive hydatid serology. After 9 months of treatment with albendazole, the patient underwent surgery for excision of the cysts shown on the x-ray, as well as other cysts incidentally discovered intraoperatively at the pelvic and rectal levels. All of the extracted specimens were sent to the parasitology laboratory. The direct examination, along with the viability test, revealed the presence of hooks and scolex of non-viable Echinococcus granulosus. Disseminated hydatidosis is a rare but serious presentation, and the positive diagnosis relies on several epidemiological, clinical, radiological and parasitological arguments. Medical and surgical treatments play a crucial role in determining the patient's prognosis.
Ziad et al. (Wed,) studied this question.