LYMPHOPROLIFERATIVE DISORDERS Flashcards
T or F
In LYMPHOPROLIFERATIVE DISORDERS, they are classified by WHO thru their biological features and not the anatomical distribution
T
MATURE B-CELL NEOPLASMS:
Most common leukemia in adults in Western countries
Chronic Lymphocytic Leukemia (CLL
MATURE B-CELL NEOPLASMS:
Chronic Lymphocytic Leukemia (CLL):
Medial age of diagnosis is approximately ____ years, with a slight ____
preponderance
72
male
Accumulation of small lymphoid cells in the Bone Marrow, peripheral blood and lymphoid organs
Chronic Lymphocytic Leukemia (CLL)
Chronic Lymphocytic Leukemia (CLL):
Lab detection:
- Small lymphocytes “_______” appearance, scant cytoplasm, ______ nucleoli
- Prolymphocytes are present up to ___ %
- Numerous _______ cells or ______ cells on blood smear
soccer ball
absent
55%
Smudge or Basket
MATURE B-CELL NEOPLASMS:
Median age of diagnosis is approximately 50 years, with a slight male preponderance
Hairy Cell Leukemia
MATURE B-CELL NEOPLASMS:
Hairy Cell Leukemia
Median age of diagnosis is approximately ____ years, with a slight ___ preponderance
50
male
Small lymphocytes with abundant cytoplasm and hairy cytoplasmic projection
Hairy Cell Leukemia
Hairy Cell Leukemia:
Leukemic cells are found primarily in ________
bone marrow and spleen
Hairy Cell Leukemia:
Lab Detection:
Cytochemical Stain – Tatrate resistant Acid Phosphatase
Annexin A
Surface CD19, CD20, CD23
Hairy Cell Leukemia:
Surface CD____
CD19, CD20, CD23
Protein expression that can be used as specific marker to HCL
Annexin A
hairy cells show ______ cytoplasmic staining
red granular
Aggressive cancer of mature B cells associated with a fulminant clinical presentation
Burkitt Lymphoma
Burkitt Lymphoma has three subtypes:
endemic, sporadic and HIV associated
Medium-sized lymphoid cells which have deeply basophilic cytoplasm; highly vacuolated
Burkitt Lymphoma
Burkitt Lymphoma:
Bone marrow and lymph node biopsies may show a classic “______” appearance on LPF
starry sky
MATURE B-CELL NEOPLASM:
Median age at diagnosis is 68 years, and males are affected more than females
Mantle Cell Lymphoma
Mantle Cell Lymphoma:
Median age at diagnosis is ___ years, and males are affected ____ than females
68
more
Mantle Cell Lymphoma:
Accurate diagnosis requires demonstration of either _____ or overexpression of ______
t(11;14)
cyclin D1
Most common form (25-30% of cases) of Non-Hodgkin’s Lymphoma
Diffuse Large B-cell Lymphoma
Clinical presentation is a rapidly expanding, painless lymphadenopathy in one or more sites
Diffuse Large B-cell Lymphoma
Diffuse Large B-cell Lymphoma
Lab Findings:
- ____ lymphoid cells with ____ histologic growth pattern
Surface Markers:
Large, diffuse
CD5, CD10, CD30
MATURE T-CELL LYMPHOMA
Most common type of cutaneous lymphoma (60-70% or cases)
Mycosis Fungoides