Week 8: Urine Microscopy

Question 1

ID and associated conditions

Answer 1

Eumorphic hematuria - kidney stones, UTI, bladder cancer, urethral trauma, and menses

Question 2

ID and associated conditions

Answer 2

dysmorphic hematuria - Alport’s syndrome and glomerulonephritis

Question 3

ID and associated conditions

Answer 3

hyaline cast - dehydration, exercise, or fever (no specific condition)

Question 4

ID and associated conditions

Answer 4

waxy casts - chronic kidney disease and intermixed with brown muddy casts in ATI

Question 5

ID and associated conditions

Answer 5

red cell cast - glomerulonephritis, Alport’s syndrome, GPA, and hypertension

Question 6

ID and associated conditions

Answer 6

white cell cast - acute pyelonephritis and interstitial nephritis

Question 7

ID and associated conditions

Answer 7

brown muddy casts - ATI

Question 8

ID and associated conditions

Answer 8

oval fat bodies - nephrotic syndrome and proteinuria

Question 9

ID and associated conditions

Answer 9

calcium oxalate dihydrate crystal (envelopes) - kidney stones

Question 10

ID and associated conditions

Answer 10

calcium oxalate monohydrate crystal (dumbbells) - kidney stones

Question 11

ID and associated conditions

Answer 11

cystine crystals - cystinuria (AR kidney disease)

Question 12

ID and associated conditions

Answer 12

uric acid crystals - kidney stones

Question 13

ID and associated conditions

Answer 13

struvite crystals (coffins) - Proteus species with a urease and staghorn kidney stones

Question 14

ID

Answer 14

calcium phosphate crystals (rosettes)