Hematology Flashcards
MCC of leukopenia
Drug toxicity
MC Cancer in children
ALL
genetic abnormality in Acute ALL
t(12;21), t(9;22)
BM biopsy of AML criteria
> / 20% myeloblast
needlike-azurophilic granules in the cytoplasm
Auer rods
Genetic mutation t(15;17)
Auer rods
Faggot cells
assoc with DIC
80% curable with All trans retinoic acid
Acute promyelocytic anemia
MC leukemia of adults in Western world
CLL/SLL
CLL – progression to DLBCL
Ritcher phenomenon
BCR-ABL t(9;22)
Philadelphia chromosome
Splenomegaly
hyperceullar marrow/sea blue histiocytes
WBC >100,000
Low leukocyte alkaline phosphatase
CML
MC Classical HL
Nodular sclerosis
Classical HL worst prognosis and associated with PLHIV patients
Lymphocyte Depleted HL
90% assoc with EBV
Immunohisto chem of HL
CD15 CD30
NLPHL - + CD20
General lymphadenopathy and extranodal involvement (BM, spleen, liver, gut)
Leukemic presentation
t (11;14)
aggressive and incurable
Mantle cell Lymphoma
MC form of indolent NHL
Follicular Lymphoma
MC NHL
Diffuse large B cell lymphoma
aggressive, large cells, diffuse, atypia
one of the fastest growing tumor
assoc with latent EBV infection
high mitotic and numerous apoptotic cells
Starry sky pattern
good response to chemo
Burkitt Lymphoma
Splenomegaly
Pancytopenia
dry tap on BM aspiration
Monocytopenia
Cells: Hair like projections
BRAF V600E mutation
+ TRAP
Hairy cell leukemi
HM: large anaplastic cells with horseshoe-shaped nuclei
CD30
ALK mutation
Anaplastic Large cell lymphoma
T cells with Cerebriform nuclei
Sezary cells
Sezary syndrome = gen exfoliative erythroderma + leukemia of Sezary cells
CD4 T Cell tumor of the skin
Mycosis fungoides/Sezary syndrome
most important plasma cell neoplasm
Multiple myeloma
5 classical HL
Nodular sclerosis
Mixed cellularity
Lymphocyte rich
Lymphocyte depleted
Nodular lymphocyte predominant
Globular CYTOPLASMIC inclusion seen in MM
Russel bodies
Globular NUCLEAR inclusion seen in MM
Dutcher Bodies
Clinical presentation of MM
CRAB
hyperCalcemia
Renal failure
Anemia
Bone lesion – punched out (MC site VC)
PBS findings in MM
Rouleaux formation
Plasma cell leukemia
Mutation in Myeloproliferative neoplasm
JAK2
PBS finding in Primary Myelofibrosis
Leukoerythroblastosis
Tear drop cells/Dacrocytes
Type of necrosis: Bland Infarct
Coagulative necrosis
Type of necrosis: Septic infarct
Suppurative necrosis
All intrinsic types exhibit EXTRAVASCULAR Hemolysis, Except
PNH (intravascular)
XR , low NADPH
Heinz bodies in asplenic px
Bite cells/Degmacytes in functional spleen
Protective against malaria
G6PD deficiency
mutation of 6th codon of the B-globulin gene (glutamate –> valine)
Sickle cell anemia
Findings in Sickle cell Anemia
Drepanocyte (sickle cells)
target cells (Codocyte)
Howell Jolly Bodies
extramedullary hematopoises
Treatment for Sickle Cell Anemia
Hydroxyurea – increases HbF
infants do not become symptomatic until
5-6 months of age — HbF prevent sickling
symptoms appear in B- Thalassemia
6-9mos of age
symptoms appear in A- Thalassemia
mutation:
at birth (low HbF synthesis)
mutation deletion
1 gene affected in A-thalassemia
Silent carrier
2 gene affected in A-thalassemia
a- thalassemia trait minor
3 gene affected in A-thalassemia
HbH disease
Severe, like B-thalassemia intermediate
4 gene affected in A-thalassemia
Hydrops fetalis
PIGA mutations in PNH
CD55,
CD59(most important),
C8 binding protein
fragmented RBC
seen where
Schistocytes
microangiopathic HA
MC nutritional disorder in the world
IDA
microcytic hypochromic
pencil cells
low serum Fe
high transferrin
low ferritin
IDA
Common cause of anemia in hospitalized px
Anemia of Chronic Inflammation
Px with chronic microbial infection
low serum Fe
Low transferrin
increase ferritin
Anemia of Chronic Inflammation
Pancytopenia
Hypocellular bone marrow
Normocytic Normochromic
Aplastic Anemia
Preferential infection of erythroid precursor
Parvovirus
MCC of Myelophthisic anemia
Metastatic cancer
Features of TTP
Micronagiopathic HA
Thrombocytopenia
Renal Failure
Fever
Neurologic manifestation
Syndromes under HUS
Microangipathic HA
Thrombcytopenia
Renal failure
Pathogenesis of HUS
typical: E. coli O157:H7 (Shiga like) –> endothelium procoagulant
Atypical: defect in excessive complement activation –> thrombosis
Pathogenesis of TTP
low ADAMTS13
MC inherited bleeding disorder
Von Willebrand disease
AD, impaired PF
MC hereditary disease
Hemophilia
X-linked, abnormality in Factor VIII (A), Factor IX (B)
bilateral adrenal hemorrhage secondary to fibrin thrombi
Waterhouse-Friederichsen syndrome
MC adverse transfusion reaction
Febrile Non-Hemolytic transfusion reaction
MC reaction encountered in platelet transfusion
Allergic Rhinitis