Blasts (Blasts) - Siemens ADVIA 2120 Operator's Manual

Perox Cytogram (ATYP +++)
Results Flagged
none
Possible Causes
The following list of sample-related causes may not contain all conditions that
could cause this flag.
Multiple occurrences of this flag, especially for consecutive samples, can indicate
a system problem. However, isolated instances of this flag are usually sample
related.
Sample Related
•
Viral infections
•
Lymphoproliferative
disorders
•
RBC nonlysis

Blasts (BLASTS)

Definition
The presence of blasts is suspected. Blasts are detected in the Blasts area on the
Baso cytogram and in the LUC area of the Perox cytogram.
The triggering conditions for this flag are:
• %BLASTS 1.5% to 5.0% and %LUC ≥ 4.5%, or
•
%BLASTS > 5.0% of the total WBCB, or
• %BASO + %BASO Susp + %BASO Sat ≥ 10%
6-6
1 LUC area
Baso Cytogram
2 BLASTS area
System Related
1. Check the perox reagents.
2. Check the delivery of SHEATH/RINSE.
3. Check the perox hydraulics and sample
delivery.
4. Check the perox reaction chamber.
temperature
5. Check the perox flowcell alignment.
6. Check the perox gains.
Flags