Cases reported "Echinococcosis"

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1/6. Hydatid cyst of the uterus.

    BACKGROUND: Hydatidosis is a common zoonosis that affects a large number of humans and animals, especially in poorly developed countries. The infesting parasite has four forms named Echinococcus granulosis, E. multilocularis, E. vogeli and E. oligarthrus (very rare in humans). The most frequently involved organs are liver followed by the lung. The involvement of the genital tract is rare and the occurrence in the uterus is an extreme rarity. We report a case of hydatid cyst in the uterus. CASE: A 70-year-old female with a history of hydatid cysts of the liver, was admitted to hospital after complaining of low abdominal pains. On physical and gynecological examinations, no pathological finding was detected. However, the uterus was significantly large for a postmenopausal patient. Transvaginal sonography (TS) revealed a cystic mass in the uterus with a size of 7 x 6 cm. After further examinations a subtotal hysterectomy was performed. Microscopic examination showed scolices of Echinococcus granulosis. CONCLUSION: Hydatid cysts in the genital tract are rare and the occurrence in the uterus is an extreme rarity. Differentiation between hydatid cyst and malignant disease of the related organ is difficult. To avoid misdiagnosis, a careful examination of pelvic masses should be carried out in endemic areas for detection of hydatid cysts.
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2/6. Splenic hydatid cysts in a 20-year-old soldier.

    Hydatid disease is a parasitic infection of humans and herbivorous animals caused by echinococcus granulosus. A 20-year-old male soldier from Booshehr province police center was admitted with left upper quadrant pain that began 1 year before admission. Sonography disclosed an echogenic mass measuring 14 x 16 cm near the spleen and kidneys; a computed tomography scan confirmed it as a hypodense mass of the spleen that was 16 x 17 x 18 cm in dimension. Casoni skin test and indirect fluorescent antibody were positive. Through laparatomy, a splenectomy was successfully performed.
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3/6. Primary ovarian hydatid disease in the Kingdom of saudi arabia.

    Human hydatid disease is caused by echinococcus granulosus. Its distribution is world wide and it affects mainly the liver, but other organs could be involved. Primary involvement of pelvic organs is very rare. This is a case report of primary ovarian hydatid disease in a postmenopausal woman, diagnosed postoperatively. Surgical excision was adequate. ultrasonography, particularly high frequency trans-vaginal, computed tomography scan and, more recently, magnetic resonance imaging are more frequently used in the diagnosis of Echinococcus cyst. They appear more reliable than many of the old tests of varying sensitivities. Whereas, there are anecdotal reports of obstetric and gynecological manifestations of echinococcosis from some Middle Eastern and North African countries, this is the first of such report from the Kingdom of saudi arabia. It is unclear why there is a lack of information about this condition among Saudi women, even though socio-cultural attitude to female involvement in sheep farming and animal husbandry is similar to that in other Arabic and Islamic countries. We endorse the recommendation that every gynecologist, radiologist and histopathologist should maintain a high index of suspicion for hydatid cyst, whenever a septate cystic pelvic mass is found.
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4/6. Primary splenic hydatid cyst: a case report with characteristic imaging appearance.

    A middle-aged lady presented with pain, tenderness and swelling in the left hypochondrium since one month. She had a history of contact with dogs and grazing animals. Sonography and computed tomography showed the pathognomonic signs of hydatid disease. The patient refused surgical treatment. She was discharged on albendazole therapy and did not return for a follow up.
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5/6. Primary cardiac echinococcosis: report of two cases with review of the literature.

    Two case reports of Saudi patients with primary cardiac hydatid cysts are presented. In the first case, a multilocular cyst was located in the wall of the left ventricle, whereas in the second case a cyst was located in the pericardial sac and another cyst in the left ventricular wall. The diagnosis was based on a history of animal contact, full clinical examination, serological tests and the use of plain radiography, including conventional tomogram, two-dimensional echocardiography, computed tomography and thallium perfusion isotope scan. This study has indicated that non-invasive radiological methods are sufficient to diagnose cardiac echinococcosis and could provide the same information as, or even more than if invasive techniques were used. Further screening of the two patients showed no involvement of other organs by hydatid cysts.
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6/6. First incidence of multilocular echinococcosis in a race horse in japan.

    Nodular hepatic lesions caused by larval echinococcus multilocularis were found in a four-year-old female thoroughbred race horse born and raised in Hokkaido. Before detection of the infection, the infected animal was transported around Honshu for racing. The present disclosure of hydatidosis in a race horse raises concern over the potential danger of spreading the infection throughout japan by horses possibly infected in Hokkaido.
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