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

Hemoglobin C Crystals

Hemoglobin C Crystals
Hemoglobin C Crystals
Hemoglobin C Crystals

Microscopic Features:

  • Variable sized RBC crystalline dark blue-purple inclusions
  • Hexagon-shaped or rhomboid shaped crystalline structures in RBCs

Normal % blood-PB, marrow-BM, lymphoid tissue-LN:

  • PB: None
  • BM: None
  • LN: None

May Resemble:

Differential Diagnoses:

Hemoglobin C disease
Hemoglobin SC disease

Classic Immunophenotype:

  • N/A

Cartoon Image:

Hemoglobin C Crystals cartoon
Click and dragRed blood cell for scalefor direct comparison

Misc:

Hemoglobin C and SC patients may also show increased number of target cells