Cases reported "sparganosis"

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1/55. Cerebral sparganosis: case report.

    A 19-year-old man visited our hospital following an attack of general tonic-clonic convulsion. Multiple lesions were noted over bilateral frontal areas on brain computed tomography and magnetic resonance images. The diagnosis was confirmed by positive antibody for sparganum using enzyme-linked immunosorbent assay (ELISA). praziquantel, 2400 mg/d for one month, was prescribed before the antibody test results came out and the treatment failed. Total removal of the lesion and the enclosed parasite cured the patient. Although the features of cerebral sparganosis on brain computed tomography and magnetic resonance images have been previously described, the findings were not specific and the present case exhibited some different patterns including bilateral multiple calcifications and ventricular compression. The significance of the bilateral involvement is not known but the ventricular compression suggests that the disease was in an active stage. Imaging studies appear to only provide some clues for the diagnosis of sparganosis. Bilateral involvement may be seen as in the present case. The final diagnosis depends on pathologic or immunologic examination results. Surgical intervention either using stereotactic techniques or total removal of the lesion is the treatment of choice while antiparasitic agents are ineffective. ( info)

2/55. Subcutaneous sparganosis--a case report and a review of human sparganosis in taiwan.

    Human sparganosis is a rare parasitic disease infected by plerocercoid larva (sparganum) of spirometra species. It was usually diagnosed accidentally and has long been underestimated. In this report, we describe a 53-year-old woman presenting as an enlarging subcutaneous nodule in the right thigh for 3 months, which was excised in the belief that it was a lipoma. Characteristic sparganum accompanied by granulomatous inflammation, eosinophilic infiltrate and sinus tract in the subcutaneous tissue were discovered under microscopic examination of the excised tissue. Contaminated drinking water was presumed to be the infectious source. Complete excision is a curative treatment. We also review previously documented 19 human sparganosis in taiwan to provide the clinical context for this report. ( info)

3/55. Parasitic lesion of the insula suggesting cerebral sparganosis: case report.

    Cerebral sparganosis, a parasitic disease, rarely produces a chronic active inflammatory response in the brain. Clinically and radiographically the process may mimic a neoplasm. We report a 30-year-old man who underwent surgical exploration for a mass in the insular cortex. histology revealed a densely fibrotic mass heavily infiltrated with plasma cells and lymphocytes, in which were embedded parasitic forms consistent with sparganosis. We describe the MRI appearances and pathologic features. Intracranial mass lesions secondary to sparganosis must be considered in patients with a history of travel to endemic areas, especially asia. ( info)

4/55. Pulmonary sparganosis: a case report with five years follow-up.

    sparganosis has a world wide distribution, but only a few patients have pulmonary involvement. The term sparganosis is defined as an infection by the larva of parasitic tapeworms of spirometra species. We present here-in a patient, who was infected by this parasite and had pulmonary symptoms. The chest roentgenography revealed diffuse multiple nodular infiltration with cavitations. bronchoscopy with a transbronchial lung biopsy was nondiagnostic. Finally, open lung biopsy was performed, and the histologic examination revealed plerocercoid larva of sparganum. The patient was treated with mebendazole 40 mg/kg/day for 6 months and his symptoms and pulmonary function improved. In the 5th year of follow-up, he presented with more progressive dyspnea and developed cor pulmonale, and finally died from pneumonia with sepsis. The objective of this report was to present a rare manifestation of sparganosis and it's clinical course. Currently, there is no known effective treatment for this disease. ( info)

5/55. A case of intramuscular sparganosis in the sartorius muscle.

    Intramuscular sparganosis is not common, and its rarity makes it difficult to be distinguished from soft tissue tumors. A case of rare intramuscular sparganosis is reported. A 44-year-old man presented with a painful mass in the left thigh for 8 months, which was initially diagnosed a as soft tissue tumor. ultrasonography and MRI revealed a multilobulated mass in the sartorius muscle. After the needle biopsy under the guidance of ultrasonography, sparganum was discovered under microscopic examination of the excised tissue. Surgical excision was performed, and a live larva of sparganum was removed. sparganosis should be considered in the differential diagnosis of soft tissue tumors, especially among Koreans who have frequently ingested mountain water and consumed raw snakes or frogs. ( info)

6/55. A rare case of eosinophilic pleuritis due to sparganosis.

    A rare form of sparganosis with eosinophilic pleural effusion is reported. A 62-year-old man was admitted to our hospital with left pleural effusion, and diagnosed immunologically as having sparganosis. eosinophilia was seen in both peripheral blood and pleural effusion. The level of interleukin (IL)-5 was elevated in the pleural effusion, but not in peripheral blood. The patient was treated successfully with three consecutive doses of praziquantel (75 mg/ kg/day). After the treatment, the antibody titer in serum decreased and the eosinophil number in the peripheral blood returned to the normal level. Thus, sparganosis should be included in the differential diagnosis for eosinophilic pleuritis. The immunoserological screening test using multiple-dot ELISA is helpful to identify the causative pathogen. ( info)

7/55. Intraosseous proliferative sparganosis: a case report and review of the literature.

    Intraosseous proliferative sparganosis is an extremely rare parasitic disease in which the larvae of incomplete differentiated sparganum proliferate in the human bone. We present the first case of intraosseous proliferative sparganosis arising in the long bone. The patient was a 51-year-old man who complained of a slow growing painful mass on his right leg. The radiographic findings showed an infiltrative osteolytic lesion with speckled calcification at the proximal tibia the clinical diagnosis of which favored chondrosarcoma. Incisional biopsy revealed an innumerable number of small globular shapes, whitish parasites. Histologically, the parasites were composed of a few layers of smooth muscle and several calcerous bodies that were enclosed within a single row of tegumental cells. The latter exhibited a wavy appearance and coated with microvilli. These morphologic findings confirmed the nature of these maldifferentiated larvae. The patient was treated by partial resection of the lesion. This should remind clinicians that parasitic infection of the bone can produce a tumor-like lesion. ( info)

8/55. sparganosis: a rare case of the oral cavity.

    sparganosis is a rare parasitic disease. We here reported an extremely rare case of intraoral sparganosis in a 21-year-old Thai female. Clinically, the lesion presented as an asymptomatic nodule 1 cm x 1 cm in the left upper labial mucosa. An excisional biopsy was performed and the pathological examinations revealed a larva of a sparganum surrounded by a fibrous capsule heavily infiltrated with eosinophils. Excision of the lesion was curative. The possible route of infection of the patient might be due to drinking water, contaminated with Cyclops containing procercoid larvae. ( info)

9/55. sparganosis presenting as a lateral neck mass.

    BACKGROUND: Cervical sparganosis is rare, and its rarity makes it difficult to be distinguished from tumors. A case of cervical sparganosis is reported. methods AND RESULTS: An 80-year-old man was initially seen with a painless lateral neck mass for 3 months, which was initially diagnosed as cervical lymphadenopathy. Laboratory studies revealed eosinophilia, and the patient recalled that he had frequently taken mountain water. Serologic study of human sparganosis by a monoclonal antibody-based competition enzyme-linked immunosorbent assay (ELISA) was positive. Surgical excision was performed, and the sparganosis was confirmed by histologic examination. CONCLUSIONS: sparganosis should be considered in the differential diagnosis of soft tissue tumors, especially among patients who have frequently ingested mountain water and consumed raw snakes or frogs. ( info)

10/55. A case of breast sparganosis.

    A 29-year-old Korean woman visited the Department of Surgery in MizMedi Hospital with a palpable itching mass on the right breast that had existed for the past 7 months. She had no history to eat either frogs or snakes, but had the history of drinking impure water. Sonography revealed a serpiginous hypoechoic tubular structure associated with partial fat necrosis in breast parenchymal layer and subcutaneous fat layer. It also revealed oval cystic lesions. At operation, an ivory white opaque ribbon-like worm that measured 16.5 cm in length and 0.5 cm in width was extracted. Anti-sparganum specific serum IgG level in the patient's serum (absorbance = 0.71), measured by ELISA, was found to be significantly higher than those of normal controls (cut off point = 0.21). Sonography and ELISA appear to be helpful to diagnose sparganosis. breast sparganosis is rarely found throughout the world. ( info)
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