TISSUE NEMATODES

Common name: Trichinella spiralis

• Trichina Worm, Muscle Worm, Garbage/Trash Worm
• Guinea Worm, Fiery Serpent, “little dragon from Medina”

Final host: Trichinella spiralis

• humans
• pigs and other mammals

Habitat: Trichinella spiralis

• small intestine, striated muscle
• subcutaneous tissue

Infective stage: Trichinella spiralis

• encysted larva
• filaria larvae

MOT:Trichinella spiralis

• Ingestion of undercooked pork or raw pork infected with larva
• Ingestion/Drinking of contaminated water with the copepods

Trichinella spiralis: Shows the presence of larva

• Biopsy of Muscle (gold standard, or definitive test)
• Biochemical tests
• Serological tests

Trichinella spiralis: - CBC: shows increased eosinophils – Blood Chemistry: shows an increase in creatine kinase and lactate dehydrogenase (LDH)

• Biopsy of Muscle (gold standard, or definitive test)
• Biochemical tests
• Serological tests

Trichinella spiralis: Bentonite Flocculation test – Bachman intradermal test (Px injected with Trichinella antigen in the skin)

• Biopsy of Muscle (gold standard, or definitive test)
• Biochemical tests
• Serological tests

Common name: Dracunculus medinensis

• Guinea Worm, Fiery Serpent, “little dragon from Medina”
• Trichina Worm, Muscle Worm, Garbage/Trash Worm

Parasite of antiquity (old parasite)

• Guinea Worm, Fiery Serpent, “little dragon from Medina”
• Trichina Worm, Muscle Worm, Garbage/Trash Worm