Capillaria philippinensis Flashcards
(16 cards)
Where and when was Capillaria philippinensis first reported?
By Citwood et al. in 1963 in a 29-year-old male in Northern Luzon (Pudoc West, Tagudin, Ilocos Sur).
What is the common name for Capillaria philippinensis?
Pudoc (referring to the location of its first report)
What is the primary habitat of Capillaria philippinensis in humans?
Small intestine
What are the modes of transmission for Capillaria philippinensis?
Autoinfection; Ingestion of raw or undercooked fish.
What is the infective stage of Capillaria philippinensis?
Infective larvae
What is the diagnostic stage of Capillaria philippinensis?
Unembryonated eggs
What are the definitive hosts for Capillaria philippinensis?
Humans, Birds
What are the intermediate hosts for Capillaria philippinensis?
Fish eating birds
What are the common laboratory diagnostic methods for Capillaria philippinensis?
Tissue biopsy from small intestine; Examining stool samples.
What are some key symptoms and pathological manifestations of Capillaria philippinensis infection?
Gurgling stomach, diarrhea, anorexia, abdominal pain, weight loss, malaise, vomiting, loss of proteins & electrolytes & malabsorption of fats & sugars.
Describe the general characteristics of Capillaria philippinensis worms.
Round/cylindrical; Non-segmented; Sexes are separate.
Describe the size of an adult male Capillaria philippinensis.
Very small (1.5-3.9 mm long by 23-28 um width).
Describe the size of an adult female Capillaria philippinensis.
2.3-5.3 mm long by 20 um wide.
Describe the morphology of a Capillaria philippinensis egg (size, shape, appearance compared to Trichuris trichiura).
36-45 um by 20 um. Peanut-shaped with a striated shell. Similar to Trichuris trichiura but eggs have non-protruding polar plugs. Slightly smaller.
What are some key prophylactic measures against Capillaria philippinensis infection?
Proper human waste disposal; Discourage eating raw fish.
What are the main treatments for Capillaria philippinensis infection?
Electrolyte replacement & high protein diet; Mebendazole (200 mg twice a day for 20 days); Albendazole (400 mg daily for 10 days).
