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rouleauxHematology Stacks of RBCs in groups of 4–10 cells, likened to stacked coins; artifactual rouleaux occur in the thick area of any blood smear; true rouleaux formation occurs with ↑ protein, fibrinogen and globulins, ↑ ESR due to dextran and monoclonal gammopathies–myeloma, Waldenström's disease, cryoglobulinemia, sarcoidosis, cirrhosis. See LISS.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
rouleau(roo-lō′) plural.rouleaux [Fr., roll]
A group of red blood cells that are stuck together, resembling a roll of coins.
Medical Dictionary, © 2009 Farlex and Partners
The stacking up of red blood cells, caused by extra or abnormal proteins in the blood that decrease the normal distance red cells maintain between each other.
Mentioned in: Erythrocyte Sedimentation Rate
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.