Urinalysis and Body Fluids 6th Edition by Majorie DiLorenzo, Susan Strasinger

Exercise 40

A 13-year-old boy is awakened with severe back and abdominal pain and is taken to the emergency department by his parents. A complete blood count is normal. Family history shows that both his father and uncle are chronic kidney stone formers. Results of a urinalysis are as follows:

a. What condition does the patient’s symptoms represent?

b. What is the physiologic abnormality causing this condition?

c. If amino acid chromatography was performed on this specimen, what additional amino acids could be present?

d. Why are they not present in the microscopic constituents?

e. Based on the family history, what genetic disorder should be considered?

Step 1 of 5

a.

The patient’s symptom represents renal lithiasis.

Renal lithiasis:

• Kidney stones are also called as renal lithiasis. The stones are hard and small made up of deposition of acid salts, and minerals

• The primary symptom is pain in lower back and abdomen