Abstract
Objective: To report a case with unusual ABO discrepancies caused by coexistence of the loss of anti-B isoagglutinin and rouleau formation. Clinical Presentation and Intervention: A 79-year-old female diagnosed as having multiple myeloma (MM) with monoclonal IgG-λ type showed rouleau formation in peripheral blood smear. The ABO and Rh blood type before the diagnosis of MM was A+, but the following ABO grouping was interpreted as AB+. The ABO genotype revealed the subtypes A102 and O101, which confirmed her ABO phenotype as A+. Conclusion: This was a case of combined group I and III ABO discrepancies mimicking blood group AB.
| Original language | English |
|---|---|
| Pages (from-to) | 90-92 |
| Number of pages | 3 |
| Journal | Medical Principles and Practice |
| Volume | 26 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2017.01.1 |
Keywords
- ABO discrepancies
- Loss of isoagglutinin
- Multiple myeloma
- Rouleau formation
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