Volume 16, Number 11—November 2010
Research
Lymphotropism of Merkel Cell Polyomavirus Infection, Nova Scotia, Canada
Table 3
MCPyV infection and characteristics of patients with chronic lymphocytic leukemia/small lymphocytic lymphoma, Nova Scotia, Canada, 1994–2001*
Characteristic | No. (%) cases | No. (%) MCPyV positive | No. (%) MCPyV negative |
---|---|---|---|
Patient sex | |||
M | 16 (66.7) | 2 (12.5) | 14 (87.5) |
F |
8 (33.3) |
3 (37.5) |
5 (62.5) |
Patient age, y | |||
<60 | 6 (25.0) | 0 | 6 (100.0) |
>60 |
18 (75.0) |
5 (27.8) |
13 (72.2) |
Disease stage† | |||
I | 9 (40.9) | 1 (11.1) | 8 (88.9) |
II | 5 (22.7) | 3 (60.0) | 2 (40.0) |
III | 0 | 0 | 0 |
IV |
8 (36.4) |
1 (12.5) |
7 (87.5) |
Patient survival‡ | |||
Alive in remission | 2 (15.4) | 1 (50.0) | 1 (50.0) |
Alive with disease | 6 (46.1) | 0 | 6 (100.0) |
Dead from disease |
5 (38.5) |
1 (20.0) |
4 (80.0) |
Total | 24 | 5 (20.8) | 19 (79.2) |
*No patients with chronic lymphocytic leukemia/small lymphocytic lymphoma had Merkel cell carcinoma. MCPyV, Merkel cell polyomavirus.
†Stage of disease for 2 MCPyV-negative patients was unknown.
‡Five-year follow-up survival information. Data were available for 13 patients, excluding 10 who had received a diagnosis within the past 5 y and one who was lost to follow-up. Disease refers to original diagnosis of either lymphoma or leukemia.