Question:

Which one of the following is an INCORRECT pair?

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Metacestode Diagnostics:
Gid Sturdy in sheep = Coenurus cerebralis (from Taenia multiceps).
Bladder worm in omentum = Cysticercus tenuicollis (from Taenia hydatigena).
  • Strongylus vulgaris - Aneurysm
  • Cysticercus tenuicollis - Gid
  • Hydatid cyst - Pressure atrophy
  • Stephanofilaria assamensis - Hump sore
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The Correct Option is B

Solution and Explanation


Step 1: Understanding the Concept:

Etiological differentiation of metacestode larval tapeworm cyst stages and their diagnostic clinical pathologies.

Step 2: Detailed Explanation:

Evaluating the parasitological disease pairs:
1. Option 1 (Correct): Strongylus vulgaris L4 larvae cause cranial mesenteric verminous arteritis and thrombus/aneurysm.
2. Option 2 (INCORRECT PAIR): Gid (Sturdy Coenurosis) in sheep is caused by {Coenurus cerebralis (the larval stage of Taenia multiceps) residing in the brain/spinal cord. In contrast, {Cysticercus tenuicollis is the larval stage of Taenia hydatigena, which resides in the peritoneal cavity/omentum causing hepatitis cysticercosa.
3. Option 3 (Correct): Hydatid cysts of Echinococcus granulosus cause progressive compressive pressure atrophy of hepatic and pulmonary parenchyma.
4. Option 4 (Correct): Stephanofilaria assamensis causes bovine 'Hump sore' (stephanofilariasis).

Step 3: Final Answer:

Therefore, the incorrect pair is Cysticercus tenuicollis - Gid, matching option (B).
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