Page 72 - MNU-PM503 Parasitology practical book

Pharm D- Clinical Pharmacy Program Third Level Parasitology and virology (PM503)

4. What danger to the patient exists during surgical removal and aspiration

of the cyst?

5. Can sputum examination help in the diagnosis?

6. What is the parasitological diagnostic value of Ziehl-Neelsen stain?

7. How would you treat this patient?

8. How can you control this disease?

Case study (7):

A 10-year-old boy was presented to the pediatrician suffering from headache and

gastrointestinal symptoms, including abdominal pain and persistent diarrhea with

associated loss of appetite and weight loss. A stool sample was sent immediately to the

laboratory for examination for ova and parasites.

Examination of the fresh specimen showed oval, thin-shelled eggs. Oncospheres

having numerous bi-polar filaments were observed inside the eggs. A proglottid

containing eggs is detected.

QUESTIONS:

1. Which parasite is causing this patient's symptoms?

2. Name the 2 species of this genus which cause human disease.

3. Can they be differentiated by the morphological appearance of their
proglottids? Explain.

4. Why is this parasite unusual among members of its class?
5. What is the infective stage(s)?

6. How is this parasite transmitted?
7. How is the diagnosis of this infection made?

8. Describe the different types of the life cycle of this parasite.

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