nco (NOT DONE) Flashcards
4 types of epithelial cells
basal, squamous, transitional, melanocytes
Squamous cell carcinoma located
epithelial cells just beneath the outer surface of the skin
basal cell carcinoma located
basal layer of the epidermis
transitional cell carcinoma located
in between squamous cell and basal cell
where does adenocarcinoma start
in the epithelial cells that produce fluid or mucus
what are the most common adenocarcinomas
breast, colon and prostate
what is beneath the dermis? and beneath that?
hypodermis then muscle layer
sarcoma is the cancer of the
soft tissue and bone
7 soft tissues examples
muscle, fat, fibrous tissue, blood vessels, lymph vessels, tmendons and ligaments
most common cancer of the bone
osteosarcoma
most common soft tissue sarcoma (5)
kaposi sarcoma leiolyosarcoma malignant fibrous histiocytoma liposarcoma dermatofibrosarcoma protuberans
where does leukemia start
bone marrow
does leukemia form tumors?
no
characteristics of leukemia (4)
high WBC
poor oxygenation
bleeding tendencies
decreased immunity
where are leukemic cells and leukemia blasts accumulate
bone marrow
where does lymphoma form
Lymphocytes (B and T)
a characteristic of lymphoma
abnormal lymphocytes found in lymph nodes, lymph vessels and other organs
hodgkins lymphoma
reed-sternberg cells form from b cells
non-hodgkins lymphoma
begins in the b and t lymphocytes and grow either fast or slow
multiple myeloma is AKA
plasma cell myeloma or kahler disease
where does Multiple myeloma begin
plasma cells
does multiple myeloma form tumors?
yes
where does melanoma occur (2)
eye and skin
where do astrocytic tumors originate
astrocytes
where do germ cell tumors originate
sperm or egg
where do neuroendocrine tumors originate from
hormone releasing cells
what are carcinoid tumors and where are they found
slow growing tumors found in the GI system usually rectum or small intestine and spread to liver or other sites
what does carcinoid tumors secrete
serotonin, norepinephrine, dopamine, prostaglandin and causes CARCINOID SYNDROME