Smudge cell

New York State Department of Health - Wadsworth Center - Cytohematology Proficiency Testing

Slide 085 [100X]

The arrowed object is a smudge cell, taken from a case of acute lymphocytic leukemia. Smudge cells were present in the March 1997 glass slide proficiency test event, Slide 002. Smudge cells were identified by 72% of laboratories participating in the March 1997 glass slide event.

NUMBER OF RESPONSES % OF LABORATORIES CELL CODE AND TYPE

471

99.4%

code: 17 Smudge cell

1

0.2%

code: 0 No result reported

1

0.2%

code: 85 Invalid code

1

0.2%

code: 94 Invalid code

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