Blood/Blood Cells and Cellular Components ›› Red Blood Cells ›› Abnormal

Teardrop Cell*

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Microscopic Features:
  • About the same size as a normal RBC
  • RBC is Teardrop or pear-shaped
Normal % blood-PB, marrow-BM, lymphoid tissue-LN:
  • PB: None
  • BM: None
  • LN: None
May Resemble: Differential Diagnoses:

Increased in:
Bone marrow infiltration by hematologic or non-hematologic malignancy
Artifact of slide preparation (in which all the tails usually point in the same direction)

Classic Immunophenotype:
  • N/A
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  • Increased number of tear drop RBCs is a clue to a possible underlying marrow process

Content Editors/Website Administrators:
Hooman H. Rashidi, MD; John C. Nguyen, MD