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Department of Pathology
Case of the Month August 2003
A 48-year-old female with bleeding
Hartel Paul, M.D., Canfield Patricia, M.D.
TABLE 1
Laboratory Tests |
Results |
Reference values |
| WBC |
7.6 Thou/uL |
3.5-11 Thou/uL |
| Hgb |
14.0 g/dL |
13.1 – 17.3 g/dL |
| HCT |
41.2% |
39.8 – 50.2% |
| PLT |
412 Thou/uL (normal morphology on non-anticoagulated peripheral blood smear) |
140 – 450 Thou/uL |
| PT |
17.3 sec |
135 – 148 mmol/L |
| Na |
145 mmol/L |
135 – 148 mmol/L |
| K |
4.8 mmol/L |
3.5 – 5.1 mmol/L |
| BUN |
15 mg/dL |
9 – 20 mg/dL |
| Creatinine |
1.0 mg/dL |
0.6 – 1.2 mg/dL |
| Glucose |
100 mg/dL |
70 – 105 mg/dL |
| PT |
10.4seconds |
9.5 – 12.5seconds |
| PTT |
39seconds |
24.8 – 37.3 seconds |
| Repeat PTT |
36seconds |
24.8 – 37.3 seconds |
| Bleeding time |
15minutes |
Less than 10 minutes |
| AST |
20 U/L |
20 U/L |
| ALT |
27 U/L |
8 – 37U/L |
| TSH |
0.93 uIU/ml |
0.93 uIU/ml |
| Lupus anticoagulant |
Negative |
Positive/Negative |
| vWf Ag |
82% |
43 – 150% |
| vWf ristocetin cofactor |
79% |
47 – 150% |
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