Ameloblastoma

AMELOBLASTOMA

Q. 1

Which one of the following is NOT true of Ameloblastoma –

 A

Most common odontogenic tumour

 B

Generally benign

 C

Common in 3rd to 5th decade

 D

Arises from mesenchymal tissue

Q. 1

Which one of the following is NOT true of Ameloblastoma –

 A

Most common odontogenic tumour

 B

Generally benign

 C

Common in 3rd to 5th decade

 D

Arises from mesenchymal tissue

Ans. D

Explanation:

Ans. is ‘d’ i.e., Arises from mesenchymal tissue

Ameloblastoma

o Ameloblastoma is the most common benign odontogenic tumor.

o It is benign but locally invasive.

o It is common in the 3rd to 5th decades of life.

o Preferential sites are the mandible in the molar-ramus area and maxilla.

o The tumor is epithelial in origin – arises from dental epithelium of enamel.

o Tumor with histologic resemblance to ameloblastoma can occur occasionally in the long bone, like adamantinoma of the tibia.


Q. 2

Most common jaw tumor is –

 A

Ameloblastoma

 B

Ostogenie sarcoma

 C

Fibrosarcoma

 D

Squamous cell carcinoma

Q. 2

Most common jaw tumor is –

 A

Ameloblastoma

 B

Ostogenie sarcoma

 C

Fibrosarcoma

 D

Squamous cell carcinoma

Ans. A

Explanation:

Ans. is ‘a’ i.e., Ameloblastoma


Q. 3

Not seet in first decade –

 A

Retino blastoma

 B

Rhabdomyosarcoma

 C

Neuroblastoma

 D

Ameloblastoma

Q. 3

Not seet in first decade –

 A

Retino blastoma

 B

Rhabdomyosarcoma

 C

Neuroblastoma

 D

Ameloblastoma

Ans. D

Explanation:

Ans. is ‘d’ i.e., Ameloblastoma

Ameloblastoma is not a childhood tumor.

o Other three are childhood malignacies.



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