Rapid Review - Classic Labs / Findings (4) + Key Associations (5) Flashcards Preview

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Flashcards in Rapid Review - Classic Labs / Findings (4) + Key Associations (5) Deck (29):
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 glomerulonephritis (may progress to nephrotic
syndrome)

3

Stacks of RBCs

Rouleaux formation (high ESR, multiple myeloma)

4

Stippled vaginal epithelial cells

“Clue cells” (Gardnerella vaginalis)

5

“Tennis racket”-shaped cytoplasmic organelles (EM) in Langerhans cells

Birbeck granules (Langerhans cell histiocytosis or histiocytosis X: eosinophilic granuloma)

6

Thrombi made of white/red layers

Lines of Zahn (arterial thrombus, layers of platelets/RBCs)

7

“Thumb sign” on lateral x-ray

Epiglottitis (Haemophilus influenzae)

8

Thyroid-like appearance of kidney

Chronic bacterial pyelonephritis

9

“Tram-track” appearance of capillary loops of glomerular basement membranes on light microscopy

Membranoproliferative glomerulonephritis

10

Triglyceride accumulation in liver cell vacuoles

Fatty liver disease (alcoholic or metabolic syndrome)

11

“Waxy” casts with very low urine flow

Chronic end-stage renal disease

12

WBC casts in urine

Acute pyelonephritis

13

WBCs that look “smudged”

CLL (almost always B cell)

14

“Wire loop” glomerular capillary appearance on light microscopy

Lupus nephropathy

15

Yellowish CSF

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

16

t(8;14)

Burkitt lymphoma (c-myc activation)

17

t(9;22)

Philadelphia chromosome, CML (bcr-abl fusion)

18

Temporal arteritis

Risk of ipsilateral blindness due to thrombosis of ophthalmic artery; polymyalgia rheumatica

19

Testicular tumor

Seminoma (malignant, radiosensitive)

20

Thyroid cancer

Papillary carcinoma

21

Tumor in women

Leiomyoma (estrogen dependent, not precancerous)

22

Tumor of infancy

Hemangioma (usually regresses spontaneously by childhood)

23

Tumor of the adrenal medulla (adults)

Pheochromocytoma (usually benign)

24

Tumor of the adrenal medulla (kids)

Neuroblastoma (malignant)

25

Type of Hodgkin

Nodular sclerosis (vs. mixed cellularity, lymphocytic predominance, lymphocytic depletion)

26

Type of non-Hodgkin

Diffuse large cell

27

UTI

E. coli, Staphylococcus saprophyticus (young women)

28

Viral encephalitis affecting temporal lobe

HSV-1

29

Vitamin deficiency (U.S.)

Folate (pregnant women are at high risk; body stores only 3- to Folate (pregnant women are at high risk; body stores only 3- to
4-month supply; prevents neural tube defects)

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