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PubMed1998

Sparganosis.

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Brain Diseases↗
PubMed1993

Histopathological changes of the cat brain in experimental sparganosis.

Histopathological changes of the brain were observed in 22 mongrel cats each of which was subjected to intracranial inoculation of 3 or 5 plerocercoids of Spirometra erinacei. The brains were examined at 2 weeks, 1, 3, and 6 months post-inoculation (PI). Grossly, the brain lesion consisted of a mass of worm capsule and/or hemorrhagic tract. Microscopically hypertrophied astrocytes, lymphocytes, plasma cells, RBCs, polymorphonuclear leukocytes, and hemosiderin laden macrophages were found around the worms or tracts in all groups. The number of reactive astrocytes increased mainly in the white matter. In the lesions 3 months PI, the sectioned worms were encircled with fibrous tissue along with numerous RBCs, inflammatory cells, and necrotic debris. Collagenous fibers were also demonstrated. Outside the inflammation, a wide edematous zone developed and numerous neuroglial fibers were also found. The location of the worms or the tracts was random in the brain lobes, but the worm seemed to migrate mainly along the white matter.

Animals↗
PubMed2003

Human sparganosis in Italy. Case report and review of the European cases.

Infections with Spargana, the larvae of Spirometra spp., are rarely found in humans in Europe. So far only six cases have been discussed in the literature, four from Italy and two from France. We here report a new case in a 50-year-old workman, a freshwater sports fisherman from Bologna in Northern Italy. The infection manifested as a subcutaneous nodule in the thigh, 2x3 cm in size, slightly painful when compressed, somewhat mobile under the skin, present for 9 months, with recurrent periods of local itchiness associated with redness and slight oedema. The lump was removed surgically. Histological sections of the biopsied material revealed the presence of a sparganum. Drinking water contaminated by copepods, containing procercoid larvae of this parasite, seems to be the medium of infection.

Europe↗
PubMed1987

Spinal cord proliferative sparganosis in Taiwan: a case report.

A 43-year-old woman suffered from low back pain and bilateral footdrop. A cisternal myelogram unexpected revealed multiple filing defects in the spinal canal extending from the lower cervical region to the caudal equina. Diagnostic exploration revealed numerous cystic organisms adhering to the spinal cord and nerve roots. Histopathological examination showed these organisms to be proliferative sparganum cestode larvae. Although these cestode larval infections have been reported a dozen times in humans from various parts of the world, this is probably the first reported case of spinal cord infection.

Adult↗