Schistosoma Mansoni in the Cecum (7 of 9)

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added:
15 years ago
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3303
specialty:
Gastroenterology

Case description

Adult worms mate and lay eggs. The eggs are nonoperculate, possess a spine, and contain a miracidium. The microscopic appearance of the egg allows diagnostic differentiation of the 5 species. An adult S hematobium produces 20-200 round, terminally spined eggs per day; S mansoni produces 100-300 ovoid, laterally spined eggs per day; and S japonicum produces 500-3500 round, small, laterally spined eggs per day. The eggs of S intercalatum have prominent terminal spines, and S mekongi have small lateral spines.

tags: magnifying colonoscopy Schistosoma Mansoni cecum

related terms: caecum

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