Neoplasms Flashcards
Neoplasia
uncontrolled growth of cells formations of tumors.
Definative dx done by
Pathologist, benign or malignant.
Benign tumor characteristics
limited growth, good outcome. Sharp demarcation, encapsulated by connective tissue, expansile growth, compresses surrounding tissues
Malignant tumor characteristics
uncontrolled growth and kill patient
Meningioma
meningial tumor, benign, that compresses brain. Increase in ICP
Serous cystadenoma is…
benign serous filled cystic cancer. Malignant = serous cystcarcinoma
Malignant suffix for connective tissues
Maligant = - carcoma
Ex) ostecarcoma vs osteoma
Ex) lipocarcoma vs lipoma
Ex) angiocarcoma vs angioma
Bone, cartilage, skeletal muscle, blood, fat
Fibrous benign cancer
liomyopmas
Macroscopic features of malignant tumors
lack capsule, dull edges, invade surrouding tissue.
Hallmark = Hemorrhage and Necrosis, pulls blood from other tissues.
Where can carcinoma of esophagus metastisize?
Trachea
Wilms tumor
Hemorrhage and necrosis, No1 ped kidney tumor.
Metastasis
Only malignant tumor from primary location ro metastatic location. Not all malignant cells metastasis (primary brain tumors)
Metastasis spread via what pathways (3)
Lymphatics = breast cancer
blood stream = many cancers (most common)
Direct extension = primary tumor, RCC, colon to Liver.
Krukenber tumor
metastatic stomach (adenocarcinoma) carcinoma to ovary
Metastatic ovarian carcinoma
Pulls serosa and fluid = aseities