Case Study

A 28 year-old woman visits the doctor complaining of flank pain and fever.  Questioning reveals she is also experiencing dysuria and nocturia.  A routine urinalysis reveals the following physical and chemical results.
 
Color: yellow Blood: trace
Clarity: 1+ pH: 8.5
Glucose: negative Protein: 30 mg/dL
Bilirubin: negative Urobilinogen: normal
Ketones: negative Nitrite: positive
Specific gravity: 1.010 Leukocyte esterase: moderate

Questions:

  1. List any abnormal results. Answer

    2.  
  2. For microscopic anaylsis, the spun sample was diluted 1:5.  View the following microscopic field at 800x and identify and quantify any formed elements.

    3. Answer


  3. Further microscopic anaylsis revealed these additional results:

    4. Triple phosphate crystals
    0-2 WBC casts/ lpf
    0-2 granular casts/ lpf
    5-10 renal epithelial cells/ hpf

    Which of the below diseases would all of the results be indicative of?

    a. acute interstitial nephritis
    b. acute pyelonephritis
    c. acute glomerulonephritis
    d. cystitis
     

  4. Which result(s) indicated this disease? Make sure to differentiate it from the other diseases. Answer


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