Neoplasia Flashcards
Carcinoma Definition ?
Maliganant neoplasm of epithelial cell origin
Sarcoma definiton ?
Malignant neoplasm arising in solid mesenchymal tissues are called sarcoma
211
Carcinoma Example ?
- adenocarcinoma
- squamous cell Ca
- Transitional cell Ca
210
Sarcoma example ?
- fibrosarcoma
- chondrosarcoma
211
Benign tumour ?
A tumor is said to be benign when its gross and microscopic appearance are conconsidered relatively innocent , localized at its site of origin and generally is amenable to surgical removal
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Malignant tumor ?
a tumor which invade and destroy adjacent structures and spread to distant site (metastasis)
209
Non-capsulated Benign Tumor ?
- Leiomyoma of uterus
- Lymphangioma
- Haemangioma
- Papilloma
- Adenoma
- Neurofibroma
ll-pan-h
210
Capsulated malignant Ca ?
- Renal cell Ca-False capsule
- Papillary Ca of thyroid
210
Papilloma definiton ?
Benign Tumor of surface epithelium producing finger like or warty projections or microscopic projections
201
Adenoma definiton ?
Benign epithelial neoplasm derived from glands
201
Cystadenoma definiton ?
Benign epithelial neoplasm that form large cystic masses such as in the ovary
Papillary cystadenoma definiton ?
some tumor produce papillary patterns that protrudes into cystic spaces
201
Hemartoma definiton ?
aberrant differentiation may produce a mass of disorganized but mature specialized cells/tissues that are indigenous to the particular site
204
Choristoma definiton ?
microscopically normal cells or tissues that are present in the abnormal location
205
Polyp definiton ?
When a tumor benign or malignant produces a grossly visible projection above the mucosal surface
page-205
Cyst definiton ?
pathological fluid filled sac lined by epithelium or endothelium
205
Have OMA but not Benign ?
- Hematoma
- seminoma
- melanoma
- dysgerminoma
- teratoma
- lymphoma
- glioma
page-206
Desmoplasia definiton ?
Tumor parenchyma of neoplastic cells stimulate the formation of abundant collagenous stroma
SCIRRHOUS—-stony hard breast
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Dysplasia definiton ?
disordered growth characterized by loss of uniformity of individual cells & loss of architectural orientation
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Differentiation definiton ?
referes to the extent to which neoplastic parenchymal cells resemble the corresponding normal parenchymal cells both morphologically & functionally
page-214
Carcinoma in situ ?
when dysplasia is severe and involves the full thickness of the epithelium but the lesion doesnot penetrate the basement membrane
216
Metastasis definiton ?
spread of a tumor to sites that are physically discontinuous with the primary tumor & an event that unequivocally marks a tumor as malignant
spread of a tumor to sites that are
220
Locally malignant tumor definition ?
locally invasive but show little or no tendency to metastasize
213
Intermediate tumor examples ?
- basal cell carcinoma
- giant cell tumor
- glioma
- mixed salivary gland tumor
- pleomorphic adenoma
- fibromatosis
- ameloblastoma
213
Neoplasm Definiton
old one ………………………………
it is an abnormal mass of tissue ,growth of which is exceeded & is uncoordinated with that of normal tissue and persist in the same excessive manner after cessation of the stimuli which evokes the changes
197
neoplasm - modern era defination
197
it is defined as a genetic disorder of cell growth that is triggred by acquired /less commonly inherited mutations affecting a single cell and its clonal progeny
