XII - The Hematopoietic and Lymphoid Systems Flashcards
True or False. Age younger 2 years is associated with a worse prognosis in ALL.
True(TOPNOTCH) Robbins Basic Pathology, 9th ed., p. 592
A distinctive groups of neoplasms that arise almost invariably in a single lymph node or chain of lymph nodes and spread characteristically in a stepwise fashion to anatomically contiguous nodes.
Hodgkin Lymphoma(TOPNOTCH)Robbins Basic Pathology, 8th Ed. p. 456
Hodgkin lymphoma subgroup with poorest prognosis.
Lymphocyte depleted HL(TOPNOTCH)
In primary myelofibrosis, marrow fibroblasts are stimulated to proliferate by PDGF and TGF-beta released from (A) granulocyte precursors (B) erythroid precursors (C) lymphoid cells (D) neoplastic megakaryocytes
neoplastic megakaryocytes (TOPNOTCH)Robbins Basic Pathology, 8th Ed. P 466
A self-limited disease of adolescents and young adults that is causd by B lymphocytotropic EBV characterized by fever, sore throat and generalized lymphadenitis, an increase of atypical lymphocytes in blood and an antibody and T cell response to EBV.
Infectious mononucleosis(TOPNOTCH)Robbins Basic Pathology, 8th Ed. p. 442
Lymphoblasts with irregular nuclear contours, condensed chromatin , small nucleoli and scant agranular cytoplasm. SEE SLIDE 12.10. Blasts compose >25% of marrow cellularity. Most common childhood leukemia.
Acute lymphocytic leukemia (ALL)(TOPNOTCH)Robbins Basic Pathology, 8th Ed. p. 447
t(9;22) is also called ______.
Philadelphia chromosome(TOPNOTCH)Robbins Basic Pathology, 8th Ed. p. 465
LYMPHOBLAST or MYELOBLAST: More cytoplasm, which often contains granules
Myeloblast (TOPNOTCH)Robbins Basic Pathology, 9th ed., p 433
Type of lymph node hyperplasia characterized by distention of sinusoids due to macrophage infiltration and hypertrophy of endothelial cells. Encountered in cancer.
Sinus histiocytosis (TOPNOTCH)Robbins Basic Pathology, 9th Ed. p. 428
Anemia caused by low-affinity IgM which bind to red cell membranes only at temp
Cold antibody immunohemolytic anemia(TOPNOTCH)Robbins Basic Pathology, 8th Ed. p. 433
Pathology behind polycythemia vera.
Mutation in tyrosine kinase JAK2, which acts in signalling pathways of the erythropoeitin receptors, rendering them hypersensitive to erythropoeitin.(TOPNOTCH)Robbins Basic Pathology, 8th Ed. p. 466
Single most important factor in the pathogenesis of renal failure in Multiple myeloma
Bence-Jones proteinuria(TOPNOTCH) Robbins Basic Pathology, 9th ed., p. 600
A 52 y/o female presents with dragging sensation in the abdomen associated with anemia, weakness, and weight loss. Chromosomal analysis showed presence of BCR-ABL fusion gene. What is the most likely diagnosis?
CML (TOPNOTCH)
Most common nutritional disorder in the world
Iron Deficiency Anemia(TOPNOTCH) Robbins Basic Pathology, 9th ed., p. 649
The most common trigger for episodic hemolysis in G6PD Deficiency
Infection(TOPNOTCH) Robbins Basic Pathology, 9th ed., p. 634
Plasma cells in sheets, with prominent nucleoli or inclusion containing Ig. Presents as disseminated bone disease, with destructive lytic lesions.
Plasmacytoma / plasma cell myeloma(TOPNOTCH)
In the PBS of this condition, nucleated red cells (normoblasts) are seen, which reflect underlying erythropoeisis.
B-thalassemia major(TOPNOTCH)Robbins Basic Pathology, 8th Ed. p. 430
Plasma cell neoplasm commonly associated with lytic bone lesions, pathologic fractures, chronic pain, hypercalcemia, renal failure, and acquired immune abnormalities.
Multiple Myeloma(TOPNOTCH) Robbins Basic Pathology, 9th ed., p. 599
What laboratory finding differentiate leukemoid reaction from CML?
Elevated leukocyte alkaline phosphatase. (TOPNOTCH)
Bizarre, elongated, spindled or boat-shaped cells on PBS. SEE SLIDE 12.3
Sickle cell anemia(TOPNOTCH)Robbins Basic Pathology, 8th Ed. p. 427
An X-linked recessive disorder caused by reduction in factor VII activity.
Classic Hemophilia/ Hemophilia A(TOPNOTCH)Robbins Basic Pathology, 8th Ed. p. 474
An 18 y/o male presents with easy fatigability, fever, and cutaneous bleeding. Bone marrow biopsy showed 40% myeloblasts. What is the most likely diagnosis?
AML (TOPNOTCH)
Most common presenting symptoms of this condition are spontaneous bleeding from mucous membranes, excessive bleeding from wounds, or menorrhagia. Bleeding tendency often goes unnoticed until some hemostatic stress, such as surgery, reveals its presence. Patients may have defects in platelet function despite a normal platelet count, prolonged PTT.
von Willebrand disease (TOPNOTCH) Robbins Basic Pathology, 9th ed., p. 662
Most common leukemia of adults which usually presents with bone marrow and lymph node involvement.
Small lymphocytic lymphoma/CLL(TOPNOTCH) Robbins Basic Pathology, 9th ed., p. 598