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PubMed1984

Proliferative sparganosis in a cat.

Aberrant, proliferative sparganosis was diagnosed in a 6-yr-old male domestic long-haired cat from Gainesville, Florida. The cat spent all of its life in Florida. Postmortem examination revealed lesions and spargana in the stomach, spleen, and liver. By light and electron microscopy, unusual mononuclear cells, interpreted as host-derived monocytes, were evident in the stroma of the spargana. Retrovirus-like particles were present in the cytoplasm of some of these cells.

Animals↗

PubMed1980

Sparganosis: clinical and pathologic observations in ten cases.

Sparganosis is an infection, usually of subcutaneous tissues, caused by the larva of a tapeworm of the genus Spirometra. Approximately 55 cases have been reported in this country, almost exclusively from the Southeastern states. We report an additional ten cases, all of which presented as a single subcutaneous mass. Questionnaires sent to the involved patients support the concept that the most likely route of infection in man is through the drinking of impure water. The primary significance of this organism is that infestation results in a subcutaneous mass which is clinically confused with neoplastic disease.

Adult↗

PubMed1993

Pathology of subcutaneous sparganosis: report of two cases.

Two cases of subcutaneous sparganosis were discovered at the Taipei Institute of Pathology in early spring of 1992. They had been resected under the impression of lipomas of the chest and abdomen. Both lesions contained characteristic plerocercoid larva (sparganum) of Spirometra sp., presumably Spirometra mansoni. Characteristic tissue reactions included necrosis, granulomatous reaction, and lymphoplasma cell infiltrates with focal collections of eosinophils. Since the worm can be readily dislodged from the tissues, an accurate diagnosis may not be possible in every instance. Thus, the prevalence of the disease may have been underestimated. Consuming raw flesh of infected second intermediate hosts or paratenic hosts and drinking unboiled water contaminated by infected Cyclops seems to favor the endemic occurrence of the disease in Taiwan.

Adipose Tissue↗

PubMed1995

[Human sparganosis].

Endemic subcutaneous sparganosis was described in right pectoral region of a 29-year-old male Vietnamese. It was caused by 2nd larval stadium (plerocercoid, sparganum) of a tapeworm Spirometra mansoni. Lesion was discovered during the patient's 2nd month in this country, surgery was made 7 months later. Description is the first in Czech Republic.

Adult↗

PubMed1997

First reports of subcutaneous sparganosis in Sri Lanka.

OBJECTIVE: To report and create awareness of sparganosis, a parasitic zoonosis caused by a larval stage of Spirometra sp. SETTING: Two patients with non-tender subcutaneous lumps. DIAGNOSIS CRITERIA: Morphology of solid cestode larva in excision biopsies. CONCLUSIONS: Although these two instances were innocuous, infection is potentially dangerous as larvae are long lived and could invade vital organs. The most likely source of infection in Sri Lanka is ingestion of the infected first intermediate host, Cyclops, in water.

Adult↗

PubMed1986

Cerebral sparganosis.

Cerebral sparganosis is caused by the migrating larva of Spirometra mansonoides. Only seven cases have been reported worldwide. We here report the second known case in the United States. Including our case, ages ranged from 24 to 46 years. Men and women were equally affected. Headache, convulsions, focal neurologic signs, and peripheral eosinophilia were common. CT often revealed an enhancing mass. Surgical resection of the parasitic granuloma gave excellent results. often revealed an enhancing mass. Surgical resection of the parasitic granuloma gave excellent results.

Adult↗

PubMed2006

A surgically confirmed case of breast sparganosis showing characteristic mammography and ultrasonography findings.

A case of breast sparganosis was confirmed by surgical excision of a worm (fragmented into 5 pieces) in a 59-year-old Korean woman suffering from a palpable mass in the left breast. Mammography and ultrasonography characteristically revealed the presence of several well-defined, isodense and hypoechoic tubular masses, in the upper quadrant of the left breast, each mass consisting of a continuous cord- or worm-like structure. During surgery, a long segment of an actively moving sparganum of Spirometra sp. and 4 small fragments of the same worm, giving a total length of 20.3 cm, were extracted from the upper outer quadrant of the left breast and the axillary region. The infection source remains unclear, because the patient denied ingesting any snake or frog meat or drinking untreated water.

Breast Diseases↗

PubMed1961