Classic Labs/Findings IV Flashcards Preview

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Flashcards in Classic Labs/Findings IV Deck (18):
1

"Soap bubble" in femur or tibia on x-ray

Giant cell tumor of bone (generally benign)

2

"Spikes" on basement membrane, "dome-like" subepithelial deposits

Membranous nephropathy (nephrotic syndrome)

3

Stacks of RBCs

Rouleaux formation (High ESR, multiple myeloma)

4

Steeple sign on CXR

Croup (parainfluenza virus)

5

Stippled vaginal epithelial cells

"Clue cells" (Gardnerella aginalis)

6

Streptococcus bovis bacteremia

Colon cancer

7

"Tennis racket" shaped cytoplasmic organelles (EM) in Langerhans cells

Birbeck granules (Langerhans cell hystiocytosis)

8

Thousands of polyps on coonoscopy

Familial adenomatous polyposis (Autosomal dominant, mutation of APC gene)

9

Thrombi made of white/red layers

Lines of Zahn (arterial thrombus, layers of platelets/RBC's)

10

"Thumb sign" on lateral neck x-ray

Epiglottitis (Haemophilus influenzae)

11

Thyroid-like appearance of kidney

Chronic pyelonephritis (Usually due to recurrent infections)

12

"Tram-track" appearance of capillary loops of glomerular basement membranes on light microscope

Membranoproliferative glomerulonephritis

13

Triglyceride accumulation in liver cell vacuoles

Fatty liver disease (alcoholic or metabolic syndrome)

14

Waxy casts with very low urine flow

Chronic end-stage renal disease

15

WBC casts in urine

Acute pyelonephritis

16

WBC's that look "smudged"

CLL (almost alway sB cell)

17

"Wire loop" glomerular capillary appearance on light microscopy

Diffuse proliferative glomerulonephritis (usually seen with lupus)

18

Yellowish CSF

Xanthochromia (e.g., due to subarachnoid hemorrhage)