A 3 y/o boy came to you with fatigue and persistent diarrhea. You take a fecal s

Question

A 3 y/o boy came to you with fatigue and persistent diarrhea. You take a fecal sample and send it to the lab for microscopic analysis. While it is being tested you ask about the patient history. A few months ago he visited his cousin’s farm in Georgia. After they came back the child had itchy feet, but they thought it was just athlete’s foot from the shower. You know immediately what happened. (a) What was the causative agent? (b) What are you looking for specifically in the feces to confirm diagnosis? (c) Why did the boy have itchy feet? (d) What two different genera can cause athlete’s foot? A 3 y/o boy came to you with fatigue and persistent diarrhea. You take a fecal sample and send it to the lab for microscopic analysis. While it is being tested you ask about the patient history. A few months ago he visited his cousin’s farm in Georgia. After they came back the child had itchy feet, but they thought it was just athlete’s foot from the shower. You know immediately what happened. (a) What was the causative agent? (b) What are you looking for specifically in the feces to confirm diagnosis? (c) Why did the boy have itchy feet? (d) What two different genera can cause athlete’s foot?

Explanation / Answer

a) Ancylostoma braziliense

b) Eggs of the pathogen

c) The larvae penetrate the skin, which causes the itching

d) Tenia rubrum, T. menatagrophtes

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