Neoplasia

Question 1

Carcinoma Definition ?

Answer 1

Maliganant neoplasm of epithelial cell origin

Question 2

Sarcoma definiton ?

Answer 2

Malignant neoplasm arising in solid mesenchymal tissues are called sarcoma

211

Question 3

Carcinoma Example ?

Answer 3

1. adenocarcinoma
2. squamous cell Ca
3. Transitional cell Ca

210

Question 4

Sarcoma example ?

Answer 4

1. fibrosarcoma
2. chondrosarcoma

211

Question 5

Benign tumour ?

Answer 5

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

208

Question 6

Malignant tumor ?

Answer 6

a tumor which invade and destroy adjacent structures and spread to distant site (metastasis)

209

Question 7

Non-capsulated Benign Tumor ?

Answer 7

1. Leiomyoma of uterus
2. Lymphangioma
3. Haemangioma
4. Papilloma
5. Adenoma
6. Neurofibroma

ll-pan-h

210

Question 8

Capsulated malignant Ca ?

Answer 8

1. Renal cell Ca-False capsule
2. Papillary Ca of thyroid

210

Question 9

Papilloma definiton ?

Answer 9

Benign Tumor of surface epithelium producing finger like or warty projections or microscopic projections

201

Question 10

Adenoma definiton ?

Answer 10

Benign epithelial neoplasm derived from glands

201

Question 11

Cystadenoma definiton ?

Answer 11

Benign epithelial neoplasm that form large cystic masses such as in the ovary

Question 12

Papillary cystadenoma definiton ?

Answer 12

some tumor produce papillary patterns that protrudes into cystic spaces

201

Question 13

Hemartoma definiton ?

Answer 13

aberrant differentiation may produce a mass of disorganized but mature specialized cells/tissues that are indigenous to the particular site

204

Question 14

Choristoma definiton ?

Answer 14

microscopically normal cells or tissues that are present in the abnormal location

205

Question 15

Polyp definiton ?

Answer 15

When a tumor benign or malignant produces a grossly visible projection above the mucosal surface

page-205

Question 16

Cyst definiton ?

Answer 16

pathological fluid filled sac lined by epithelium or endothelium

205

Question 17

Have OMA but not Benign ?

Answer 17

1. Hematoma
2. seminoma
3. melanoma
4. dysgerminoma
5. teratoma
6. lymphoma
7. glioma

page-206

Question 18

Desmoplasia definiton ?

Answer 18

Tumor parenchyma of neoplastic cells stimulate the formation of abundant collagenous stroma

SCIRRHOUS—-stony hard breast

207/198

Question 19

Dysplasia definiton ?

Answer 19

disordered growth characterized by loss of uniformity of individual cells & loss of architectural orientation

215

Question 20

Differentiation definiton ?

Answer 20

referes to the extent to which neoplastic parenchymal cells resemble the corresponding normal parenchymal cells both morphologically & functionally

page-214

Question 21

Carcinoma in situ ?

Answer 21

when dysplasia is severe and involves the full thickness of the epithelium but the lesion doesnot penetrate the basement membrane

216

Question 22

Metastasis definiton ?

Answer 22

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

Question 23

Locally malignant tumor definition ?

Answer 23

locally invasive but show little or no tendency to metastasize

213

Question 24

Intermediate tumor examples ?

Answer 24

1. basal cell carcinoma
2. giant cell tumor
3. glioma
4. mixed salivary gland tumor
5. pleomorphic adenoma
6. fibromatosis
7. ameloblastoma

213

Question 25

Neoplasm Definiton

old one ………………………………

Answer 25

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