A 40 years old HIV positive male patient comes with odynophagia and watery diarrhea. An endoscopy reveals esophageal and gastric candidiasis. A wet mount of the stool of the patient reveals the following picture. What is true about this helminth?
|A.||Filariform larva is infective for humans as shown in the diagram|
|B.||Transmitted through contaminated food and water usually|
Females of these species show parthenogenesis
Drug of choice is triclabendazole
Ans: C. Females of these species show parthenogenesis
- The given stool mount is showing severe infestation with Strongyloides rhabditiform larvae.
- The infective stage is filariform larvae only.
- It is usually transmitted through skin.
- Females show parthenogenesis in human intestine.
- Drug of choice is ivermectin.
- Rhabditiform larvae passed in feces can transform into infectious filariform larvae either directly or after a free-living phase of development.
- Humans acquire strongyloidiasis when filariform larvae in fecally contaminated soil penetrate the skin or mucous membranes.