ABSTRACT
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.
Subject(s)
Adult , Female , Humans , Middle Aged , Skin Diseases, Parasitic/epidemiology , Sparganosis/epidemiology , Sri Lanka/epidemiologySubject(s)
Animals , Cestode Infections/transmission , Humans , Nematode Infections/transmission , Sri Lanka , ZoonosesSubject(s)
Adolescent , Adult , Aged , Animals , Dirofilariasis/epidemiology , Female , Humans , Insect Vectors , Male , Middle Aged , Species Specificity , Sri Lanka/epidemiologySubject(s)
Adult , Humans , Malaysia , Male , Neck Muscles/parasitology , Sarcocystis/ultrastructure , Sarcocystosis/pathologySubject(s)
Ascariasis/pathology , Child, Preschool , Female , Granuloma/pathology , Humans , Peritoneal Diseases/etiologyABSTRACT
The second case of Sarcocystis infection in man is reported from an aborigine girl. It was an incidental finding at autopsy and two cysts were seen in the muscle of the oropharyngeal region. The cysts and zoites were similar to those in the previous case reported from Malaysia.
Subject(s)
Brain Neoplasms/complications , Child , Female , Humans , Malaysia , Melanoma/complications , Nasopharynx/parasitology , Pharynx/parasitology , Sarcocystis/anatomy & histology , Sarcocystosis/complicationsABSTRACT
Sarcocystis booliati n.sp. is described from the moonrat Echinosorex gymnurus (Mammalia, Insectivora) from West Malaysia. The cysts are very thin-walled, not visible to the naked eye, and have no trabeculae or cytophaneres. They are found in skeletal but not heart muscle. The zoites are small, 5-8 by 2-3 mum with a mean of 6.5 by 2.2 mum, in dry fixed smears. Octoplasma garnhami n.gen. n.sp., a parasite of undetermined taxonomic status but belonging to the Coccidiasina, Apicomplexa, is also described from the same host. Only schizononts and pseudocysts with typically 8 zoites, have so far been seen in monocytes of the spleen and liver. The zoites are large, 15 by 3 mum and have a distinct nucleolus even in dry-fixed smears.