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Bone Marrow Aspiration: Normal Hematopoiesis and Basic Interpretive Procedures (Online CE Course)

(based on 180 customer ratings)

Author: Marybeth Helfrich, MT(ASCP)
Reviewer: Patricia Boyer, MSHS, MLS (ASCP)CM

This course provides a thorough review of cellular elements encountered in normal bone marrow. It also provides guidelines for preparation of smears, including an instructional video, and evaluation and reporting of bone marrows.

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Continuing Education Credits

P.A.C.E.® Contact Hours (acceptable for AMT, ASCP, and state recertification): 2 hour(s)
Course number 578-021-18, approved through 6/30/2020
Course number 20-625867, approved through 9/1/2020

Objectives

  • Describe bone marrow sample collection, smear preparation and routine staining techniques.
  • Recognize and identify myeloid and erythroid precursors found in normal bone marrow aspirates.
  • Compare lymphocytes, hematogones and plasma cells.
  • Compare and contrast monocytes, monocyte precursors and macrophages.
  • Describe benign background cell types found in normal bone marrow.
  • Outline and explain standard procedures for reporting bone marrow differentials.

Customer Ratings

(based on 180 customer ratings)

Course Outline

Click on the links below to preview selected pages from this course.
  • Bone Marrow Aspirates
  • Normal Bone Marrow Morphology
    • Myeloid Maturation Sequence
      • Myeloblast
      • Promyelocyte
      • Myelocyte
      • Myelocytes: Eosinophils and Basophils
      • Metamyelocyte
      • Band Neutrophil
      • Segmented Neutrophil
      • Place the following stages of neutrophilic granulocyte cellular development in the correct order of maturation, beginning with the earliest form:
    • Erythroid Maturation Sequence
      • Erythrocytic Cells: Introduction
      • Pronormoblast (Proerythroblast)
      • Basophilic Normoblast
      • Polychromatophilic Normoblast
      • Orthochromic Normoblast
      • When performing bone marrow differentials it is not necessary to distinguish the precursor forms of the erythroid sequence.
    • Monocytes / Macrophages
      • Monoblast
      • Promonocyte
      • Monocyte
      • Macrophage (Histiocyte)
      • Hemophagocytosis
    • Lymphocytes / Hematogones / Plasmacells
      • Lymphocyte
      • Hematogone
      • Plasma Cell
      • What are the cells that are indicated by the red arrows in the image on the right?
    • Megakaryocytes
      • Megakaryocyte: Immature
      • Megakaryocyte: Mature
    • Other Constituents of Normal Bone Marrow
  • Bone Marrow Evaluation and Reporting
  • References
      • References

Additional Information

Level of Instruction: Intermediate to Advanced

Intended Audience: Clinical laboratory technologists, technicians, and pathologists. This course is also appropriate for clinical laboratory science students and pathology residents.
Author Information: Marybeth Helfrich, MT(ASCP) is currently a Laboratory Technologist Specialist for the Hematology/Oncology Laboratory at Childrens Hospital of Philadelphia. She received her BS, MT from Temple University in Philadelphia and has nearly 40 year experience in both adult and pediatric hematology and oncology settings. She is a regular presenter for ASCLS-PA, has been a presenter for ASCP (local and national), and the Texas Teleconference network. She is responsible for hematology morphology instruction and training for medical technologists and fellows. She is also a regular developer of morphology tutorials for in-house continuing education activities.
Reviewer Information: Patricia Boyer, MSHS, MLS(ASCP)CM is the Program Director of the Zablocki VAMC School of Medical Technology and an adjunct professor at Marquette University and the University of Wisconsin-Oshkosh. She has a Master’s of Science in Health Sciences with an emphasis on professional education. She currently teaches in the areas of hematology, transfusion medicine, and hemostasis.
Course information: This course provides a thorough review of cellular elements encountered in normal bone marrow. It also provides guidelines for preparation of smears, including an instructional video, and evaluation and reporting of bone marrows.

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2jmml13 sml with arrows


band 2 sml


bm baso + poly sml with arrows


erythroblast pronormoblast 2 sml with arrows


rbc quiz 1 sml


seg sml


stroma sml