WBCs Flashcards
lukemia
excess proliferation of malignant (cancerous) hematopoetic blast cells
blast cells:
- can be myeloid or lymphoid
- precursor cells that are immature
- start to accumulate in the bone marrow-> lead to decrease in full mature blood cells
- could be any blood cells
-cytopoenias - decreased cells
cytopoenias
decreased blood cells
cytopoenia blood cell examples
RBCs- amaemia
Platelets - easy bruising/longer bleeding
WBC- decreased immunity
what happens to the blast cells in cancer
immature/blast cells aka malignent cells spill out into blood, set up home in other structures in the body
common places include: liver, speen, lymph nodes, thymus
lymphoid lineage-acute leukemia
acute lymphoblastic leukemia
- rapid proliferation of malignant cancerous lymphoblasts
lymphoid lineage-chronic leukemia
chronic lymphocytic leukemia
- slower onset proliferation of further differientated lymphoid blast cells
- mostly precursor cells to B lymphocytes
Myeloid lineage-acute leukemia
acute myeloid leukemia
-rapid proliferation of cancerous myeloid blast cells
myeloid lineage-chronic leukemia
chronic myeloid leukemia
- slower onset proliferation of further differentiated myeloid blast cells
- mostly pregranulocytes that are affected
leukemia signs and symptoms:
anaemia, easy bruising, bleeding, decreased immunity, hepatosplenomegaly (spleen and liver enlarged), Lymphadenopathy (enlarged lymph nodes)
leukemia treatments
cancer treatments eg chemotherapy and radiation
but specific to thos: stem cell transplant and bone marrow transplant
lymphoma
- uncontrolled proliferation of lymphocytes within the lymphatic system
- leads to tumours in lymph nodes -> disruption of lymph node fucntion
lymphoma affect on lymph node function
decreased immune activation
decreases lymph filtration
non-hodgkin lymphoma
- readily spreads tp other body sites: sportatic
- fast growing types
- slow growinf types
- B or T cells, more commonly B cells
hodgkin lymphoma
- spread trends to be more patterned
- may subtypes
- prescense of reed-sternberg cells (multinucleated enlarged, pre-apoptoic (prior to programmed cell death) B cells)
signs and symptons od lymphoma
- Lymphadenopathy
- B symptoms: fever, weight loss, night sweats
- Fatigue
- Pruritis (itching)
acure infection phases
acute is self limiting
- incubation phase
- prodrome phase
-illness phase
- decline phase
- convalescence/resolution
acute infection phase 1
incubation phase
- pathogen is in body replicating
- no signs and symptoms
acute infection phase 2
prodrome phase
- pathogen is stll replicating
- inital immue response eith the onset of signs and symptoms
acute infection phase 3
illness phase
- immune response begin to eliminate the pathogen
- peak of signs and symptoms, become specific pf infection you have
acute infection phase 4
decline phase
- bog pathogen elimination
- decline in signs and symptoms
acute infection phase 5
convalescence/resolution
- pathogen controlled/elimenatied
- signs and symptoms disapear
viral infection example
human papillamavirus(HPV)
HPV
- includes hundreds of virues
HPV transmission
- transmission: direct contact (skin to skin, sexual)
HPV presentation
- presentation: infects epithelial cells commonly warts and lesions, sometimes carcinoma (cancer), commonly the cervix (HPV and 18)
HPV treatment/prevention
wart removal, HPV vaccine