Morphology in Mature Lymphoid Disorders Flashcards
What lymphoproliferative disorder is associated w/ this cell?

Hairy Cell Leukemia
- Oval or indented nucleus w/ abundant cytoplasm
- May have single nucleolus
- Cytoplasm is irregular and gray-blue w/ delicate hair-like cytoplasmic projections
What cell line is CLL/SLL?
B-cell
Describe the clinical presentation of Hairy Cell Leukemia
- Pancytopenia
- Severely enlarged spleen
The STAT3 gene mutation occurs in which lymphoproliferative disorder?
Large Granular Lymphocyte Leukemia
Burkitt Lymphoma “always” involves the ____ ____ but ____ ____ may also be infiltrated
Lymph Nodes; bone marrow
What abnormalities indicates a poor prognosis in patients w/ CLL?
- del(11)(q22-23) or del(11) + 12
- Rapid lymphocyte doubling time (< 12 months)
Describe the clinical presentation of Mycosis Fungoides and Sezary Syndrome
- Neoplasic proliferation of T cells in the skin → itchy, painful rash (pruritus)
- Circular patterns of baldness, inflammation of hair follicles
Which lymphoproliferative disorder is known to be often present in localized LN involvement
Classical Hodgkin Lymphoma
What lymphoproliferative disorder is associated w/ this cell?

Mycosis Fungoides and Sezary Syndrome
- Convoluted and cerebriform nucleus
Which lymphoproliferative disorder is know for a diffuse architecture w/ starry sky pattern?
Burkitt Lymphoma
Which lymphoproliferative disorder is known to be Cyclin D1+ ?
Mantle Cell Lymphoma
Which lymphoproliferative disorder is known for containing smudge cells?
CLL
What is Waldenstrom’s Macroglobulinemia?
Malignant lymphoproliferative disorder involving plasma cells (B-cell lineage) that produce monoclonal IgM
Which lymphoproliferative disorder is known to be CD7- and CD8-?
Cutaneous T-cell Lymphoma/Mycosis Fungoides
What is the age of onset for Large Granular Lymphocyte Leukemia?
Predominantly 45-75 years old
Predominant cell type found in LN paracortex
T cells
Which lymphoproliferative disorder is known to have CD11c, CD103+, Cd123+, bright CD20+ immunophenotype?
Hairy Cell Leukemia
Which lymphoproliferative disorder is known to be CD45-?
Classical Hodgkin Lymphoma
The t(14;18) abnormality is found in which lymphoproliferative disorder?
Follicular Lymphoma
Which lymphoproliferative disorder is know for diffuse infiltrates into the skin?
Cutaneous T-cell Lymphoma/Mycosis Fungoides
100% proliferation via the Ki67 stain is used w/ which lymphoproliferative disorders?
Burkitt Lymphoma
Which lymphoproliferative disorder is know to be bcl2+ ?
Follicular Lymphoma
What are the three types of Burkitt Lymphoma?
- Endemic 2. Sporadic 3. Immunodeficiency-associated
What is the lineage of plasma cells?
B-cell line
Diagnostic features of Waldenstrom’s Macroglobulinemia
- Hyperviscosity of blood → blurry vision, headache, vertigo, tinnitus, heart failure
- Anemia
- Cryoglobulinemic purpura (“purple rash”) due to hyperviscosity and IgM
- Severe clotting disorders
What is the age of onset for CLL/SLL?
Median age: 65-70 years old; rare in patients < 30 years old
What cell line is Large granular lymphocyte Leukemia?
T-cell
What lymphoproliferative disorder is associated w/ this cell?

Plasma Cell Myeloma
- Rouleaux of RBCs on peripheral blood due to paraproteins
- Plasma cells → eccentric nucleus, deeply basophilic cytoplasm, perinuclear clear zone (hof)
What Ig do mott cells produce?
IgG
What is the age of onset for Burkitt Lymphoma?
Median age: 30 years old and mainly children
What is the age of onset for Hairy Cell Leukemia?
Median age: 50 years old
Diagnostic features of Plasma Cell Myeloma
Punched out bone lesions seen on radiograph
What lymphoproliferative disorder is associated w/ this cell?

Chronic Lymphocytic Leukemia/Small Lymphocytic Leukemia
- Lymphs are mostly mature, monotonous, and have round nuclei w/ clumped chromatin
What cell line is Follicular Lymphoma?
B- cell
What is the significance of the Ki67 stain?
Indicates rapid proliferation
Which lymphoproliferative disorder is known to have sezary cells in the PB?
Cutaneous T-cell Lymphoma/Mycosis Fungoides
Which type of Hodgkin Lymphoma is associated w/ the Epstein Barr virus and HIV immunosupression?
Classical Hodgkin Lymphoma
What is the immunophenotyping for Waldenstrom’s Macroglobulinemia?
CD19+, CD20+, CD24+, Kappa/Lambda light chains
Sporadic type of Burkitt Lymphoma
- Age of onset
- Geographic location
- Immunodeficiency status
- Age of onset: median age of 35 years old
- Geographic location: U.S. and Europe
- Immunodeficiency status: < 1% of non-Hodgkin lymphomas
What cell line is Hariy Cell Leukemia?
B-cell
What are each of the inclusions called in a mott/grape cell/morula?
Russell bodies
The BRAF-V600E mutation is found in which lymphoproliferative disorder?
Hairy Cell Leukemia
What lymphoproliferative disorder is associated w/ this cell?

Prolymphotcytic Leukemia
- Relatively large cells w/ one prominent nucleolus which appears to be “punched out”
- Intermediate chromatin condensation
What are the two types of cells found in Plasma Cell Myeloma?
- Flame cells
- Mott cells
Immunodeficiency-associated type of Burkitt Lymphoma is associated with…
HIV/AIDs
What Ig do flame cells produce?
IgA
What is the site of presentation for CLL?
Bone marrow
What are the two types of Hodgkin Lymphoma?
- Classical Hodgkin Lymphoma
- Nodular Lymphocyte Predominate Hodgkin Lymphoma
What cell line is Mycosis Fungoides?
T-cell
Treatment options for Waldenstrom’s Macroglobulinemia
- Alkylating chemotherapeutic agents
- Rituximab (monoclonal Ab against CD20)
- IgM removed via plasmaphoresis for rapid (and temporary) improvement of symptoms
Which lymphoproliferative disorder is the most common extranodal lymphoma?
Cutaneous T-cell Lymphoma/Mycoides Fungoides
What is the age of onset for Mycosis Fungoides?
Elderly
What lymphoproliferative disorder is associated w/ this cell?

Burkitt Lymphoma
- Accumulation of monotnous medium-sized mature B-cells w/ many vacuoles
Predominant cell type found in LN medulla
Plasma cells
The t(11;14) abnormality is found in which lymphoproliferative disorder?
Mantle Cell Lymphoma
What cell line is Classical Hodgkin Lymphoma?
B-cell
Which lymphoproliferative disorder is known for containing hairy cells?
Hairy Cell Leukemia
Monoclonal IgG or IgA in serum or urine, rouleaux, and bone lesions are found in which lymphoproliferative disorder?
Plasma Cell Myeloma/Multiple Myeloma
In CLL, what B-cell abnormality is found in the peripheral blood?
> 5 × 109/L B-cells sustained for 3 months
What cell line is Plasma Cell Myeloma/Multiple Myeloma?
B-cell
Which lymphoproliferative disorder is know to have medium sized cells w/ many vacuoles?
Burkitt Lymphoma
What cell line is Burkitt Lymphoma?
B-cell
What genetic abnormality indicates a good prognosis in patients w/ CLL?
del(13)(q14.3)
Endemic type of Burkitt Lymphoma
- Age of onset
- Geographic location
- Immunodeficiency status
- Age of onset: Peak incidence b/w 4-7 years old
- Geographic location: Equatorial Africa
- Immunodeficiency status: 50x higher incidence than U.S.
What is the age of onset for Follicular Lymphoma?
Median age: 60 years old
What was the historic cytochemical stain that was used to confirm the presence of hairy cells?
TRAP
What are smudge cells?
Broken up B-cells
The t(8;14) and MYC oncogene is found in which lymphorproliferative disorder?
Burkitt Lymphoma
Which lymphoproliferative disorder is known to have Reed-Sternberg and Hodgkin cells?
Classical Hodgkin Lymphoma
What lymphoproliferative disorder is associated w/ this cell?

Plasma Cell Myeloma
- Rouleaux of RBCs on peripheral blood due to paraproteins
- Plasma cells → eccentric nucleus, deeply basophilic cytoplasm, perinuclear clear zone (hof)
What is the age of onset for Mantle Cell Leukemia?
Median age: 60 years old
Predominant cell type found in LN follicles
B cells
T/F, SLL often demonstrates cytopenias
False, CLL does
- There are no cytopenias in SLL b/c there is no BM infiltration
In SLL, what B-cell abnormality is seen in the peripheral blood?
< 5.0 × 109/L B-cells
What lymphoproliferative disorder is associated w/ this cell?

Hodgkin Lymphoma
- Reed-Sternberg cells found in low numbers in the LNs in a reactive background
Which lymphoproliferative disorder is known to be CD4-, CD8+, CD57+, CD16+, TIA1+, and have Granzyme B?
Large Granular Lymphocyte Leukemia
What cell line is Mantle Cell Lymphoma?
B-cell
Describe the clinical presentation of Prolymphocytic Leukemia
- Absolute lymphocytosis (> 100 × 109/L)
- Anemia
- Thrombocytopenia
- B or T cell
Which lymphoproliferative disorder is know for plasma cell infiltrates in the BM w/ >30% of cellularity?
Plasma Cell Myeloma/Multiple Myeloma
Which lymphoproliferative disorder is the most common non-Hodgkin?
Follicular Lymphoma
____ changes and ____ changes are caused by ____ and ____ changes
Morphologic; Functional; Genetic; Epigenetic
What is the site of presentation for SLL?
Lymph node
The cortex of a normal LN consists of…
Contains the follicles/germinal centers