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Hematopoieticand
Lymphoid NeoplasmProject
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Acknowledgments
American College of Surgeons (ACOS) Commission
on Cancer (COC)
Canadian Cancer Registries (CCR)
National Cancer Registrars Association (NCRA)
National Program of Cancer Registries (NPCR) of
the Centers for Disease Control (CDC)
North American Association of Central CancerRegistries (NAACCR)
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With Special Thanks to
Graca Dores, MD
Charles Platz, MD
Amy Blum, RHIT, CTR
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Disease Presentations and
Diagnostic Process
Carol Hahn Johnson, BS, CTR
NCI-SEER
October 2009
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Classification of Tumors
2008WHO Classification of Tumors of
Hematopoietic and Lymphoid Tissues, 4th edition,
October 2008
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Objectives
Understand the basis of the WHO
Classification
Understand the presentation and workup for
hematopoietic and lymphoid neoplasms
Recognize provisional diagnoses
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Objectives
Recognize the significance of
immunophenotyping and genetic testing
Understand the terminology used in
immunophenotyping and genetic testing
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New Classifications of
Hematopoietic and Lymphoid
Neoplasms
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Regenerative Medicine, 2006. 9
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2008 WHO Classification of Tumors of
Haematopoietic and Lymphoid Tissues
Basic principle: Classification for all neoplasms
based on:
Morphology and biologic features
Genetic
Immunophenotype
Clinical features
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Disease Definitions and
Symptoms
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Tumors Primary in Tissue
Lymphoma: Malignant tumor in lymph nodes
or lymphoid tissue
Myeloid sarcoma: Solid tumor of immature
white blood cells
Plasma cell tumor (MM, extraosseous,
osseous): Tumors comprised of plasma cells
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Lymphoma Presentation
Not specific to disease
Swollen lymph nodes
Chest pain/breathing problems
Unexplained weight lost
Recurring fevers/night sweats
Rashes
Lower back pain
Sore LN after alcohol consumption
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Leukemia
Presentation/Symptoms
Leukemia limited to BM involvement
Chronic leukemia
Usually asymptomatic
Acute leukemia
Symptomatic
Symptoms vary with type of leukemia
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Acute Leukemia Symptoms
Anemia
Shortage of red blood cells
Symptoms: SOB, tiredness, pallor
Leukopenia
Shortage of normal white blood cells; too few
mature granulocytes
White blood cells do not protect against infection
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Acute Leukemia Symptoms
Thrombocytopenia
Low blood platelets
Platelets control blood clotting by closing holes
in damaged blood vessels
Symptoms: excessive bruising, bleeding,
nosebleeds, and bleeding from gums
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Initial Diagnostic Procedures
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Lymphoma, Myeloid Sarcoma,
Plasma Cell Tumor
Tissue biopsy
Lymph node
Organ
Skin
Bone
Bone marrow
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Leukemia
1. Blood counts (CBC; peripheral smear)
2. Bone marrow aspiration/biopsy
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Provisional Diagnoses
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Types of Diagnoses
NOS histology only
NOS with a possible/probable specific
histology
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Provisional Diagnoses
NOS histology only
NOS with a possible/probable specific
histology
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NOS Diagnosis
NOS histology
Provisionalawaiting test results
Only diagnosis available now
Use Appendix E to identify NOS
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Example:
NOS DX Only Option Available
Chronic myeloproliferative neoplasm (MPN),
NOS
Clinical, lab, and morphologic features +
Does not meet criteria for specific MPN OR
Features overlap two or more MPD categories
Initial stage
Late stage
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Provisional Diagnoses
NOS histology only
NOS with a possible/probable specific
histology
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NOS with Probable Specific
1. MPN (9960/3), probably PV (9950/3)
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Tests That Identify Specific
Hematopoietic and Lymphoid
Histologies
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2008 WHO Classification of Tumors of
Haematopoietic and Lymphoid Tissues
Basic principle: Classification for all
neoplasms based on:
Morphology and biologic features
Genetic
Immunophenotype
Clinical features
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Genetic Testing
Laboratory studies of blood, bone marrow, or
tissue to analyze DNA to identify
chromosome abnormalities which diagnose
specific neoplasms
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Normal Chromosomes
46 in each cell
Each chromosome has a specific number
Example: (1;2)Short arm p and a long arm q
Example: (p13;q22)
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Genetic Abnormalities
1. Translocation: t(1;2)
2. Inversion: inv16
3. Deletion: -7 or 7-4. Addition: +8 or 8+
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Gene Translocation
32Courtesy: National Human GenomeResearch Institute
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Gene Inversion
33
Diego Diez, Ph, Bioinformatics Center, Institute for Chemical Research, Kyoto University.
Gokasho, Uji, Kyoto 611-0011 JAPAN diez@kuicr.kyoto-u.ac.jp
mailto:diez@kuicr.kyoto-u.ac.jpmailto:diez@kuicr.kyoto-u.ac.jpmailto:diez@kuicr.kyoto-u.ac.jpmailto:diez@kuicr.kyoto-u.ac.jp7/28/2019 02 Diagnostic Workup
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Gene Deletion
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Courtesy: National Human
Genome Research Institute
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Gene Addition
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Walters L, Palmer JG. The Ethics of Human Gene
Therapy. Oxford University Press. 1997.
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Genetic Testing
FISH: Identifies genetic changes and
translocations.
Polymerase chain reaction (PCR): Measures
cancer cells that cannot be detected by
FISH.
Karyotyping: To arrange and classify
chromosomes based on number, size,
shape, and other characteristics.
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FISH to Identify NPM/ALK Fusion
Gene
37http://www.pathologyoutlines.com
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Karyotype
38http://www.pathologyoutlines.com
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Immunophenotyping
Cells from blood, BM, tissue used to
determine types of antigens or markers on
surface of cell. Referred to as CD
CD; cluster of differentiation: Used to
define the findings in immunophenotyping .
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Additional Immunophenotyping
Flow cytometry: Cells from blood, BM, tissue
are treated with antibodies and passed in
front of a laser beam.
Immunocytochemistry (IHC): Shows specific
antigens in cells from blood, BM, by using
either fluorescent dyes or enzymes as
markers
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Immunohistochemistry
41
http://www.pathologystudent.com/?tag=acute-
myeloid-leukemia
G ti St di d
http://www.pathologystudent.com/?tag=acute-myeloid-leukemiahttp://www.pathologystudent.com/?tag=acute-myeloid-leukemiahttp://www.pathologystudent.com/?tag=acute-myeloid-leukemiahttp://www.pathologystudent.com/?tag=acute-myeloid-leukemiahttp://www.pathologystudent.com/?tag=acute-myeloid-leukemiahttp://www.pathologystudent.com/?tag=acute-myeloid-leukemiahttp://www.pathologystudent.com/?tag=acute-myeloid-leukemia7/28/2019 02 Diagnostic Workup
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Genetic Studies and
Immunophenotyping
Cytogenetics: The study of the DNA to
identify antigen receptors and
translocations.
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Genetic Testing/Cytogenetics
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Appelbaum, MD, Frederick R. Leukemia [Internet]. Version 5. Knol. 2008 Jul 28. Available
from: http://knol.google.com/k/frederick-r-appelbaum-md/leukemia/pOIC0j0O/gRxHJw
http://knol.google.com/k/frederick-r-appelbaum-md/leukemia/pOIC0j0O/gRxHJwhttp://knol.google.com/k/frederick-r-appelbaum-md/leukemia/pOIC0j0O/gRxHJwhttp://knol.google.com/k/frederick-r-appelbaum-md/leukemia/pOIC0j0O/gRxHJwhttp://knol.google.com/k/frederick-r-appelbaum-md/leukemia/pOIC0j0O/gRxHJwhttp://knol.google.com/k/frederick-r-appelbaum-md/leukemia/pOIC0j0O/gRxHJwhttp://knol.google.com/k/frederick-r-appelbaum-md/leukemia/pOIC0j0O/gRxHJwhttp://knol.google.com/k/frederick-r-appelbaum-md/leukemia/pOIC0j0O/gRxHJwhttp://knol.google.com/k/frederick-r-appelbaum-md/leukemia/pOIC0j0O/gRxHJw7/28/2019 02 Diagnostic Workup
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Identifying Definitive Diagnosis
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R i d t Id tif S ifi
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Required to Identify Specific
Histology
Use Hematopoietic DB to identify definitive
diagnostic method(s)
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An Additional Diagnostic
Method
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Types of Diagnoses
NOS histology only
NOS with a possible/probable specific
histology
Diagnosis of exclusion (clinical)
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Diagnosis of Exclusion (Clinical)
Tests are equivocal
Diagnosis based on equivocal tests and
clinical presentation
Examples: myelodysplastic syndrome,
unclassifiable ; refractory
thrombocytopenia
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Get Information on Tests
Check with laboratory to get samples of tests
Ask HIM dept
Where tests are filed
How tests that arrive after MR is complete
are filed
Follow-back with physician if tests have beenordered
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Major Points
Diagnostic/work-up process different
Genetic data and immunophenotyping
Do NOT use ambiguous terminology
Do NOT code to higher ICD-O-3 code
Histology code updated to more specific
Use Hematopoietic DB to identify DefinitiveDiagnostic Procedures
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Conclusion
The new hematopoietic and lymphoid
neoplasm rules go into effect for cases
diagnosed January 1, 2010, and after
Email address for questions
askseerctr@imsweb.com
mailto:askseerctr@imsweb.commailto:askseerctr@imsweb.com