Ameloblastoma

Question 1

Lesions with radiographic picture of scalloped Margin

Answer 1

• ameloblastoma the multicystic rarely if it became unilocular
• traumatic bone cyst

Question 2

X ray of multicystic type

Answer 2

Multilocular radiolucent area due to proliferation of tumor tissue. in() bone trabeculae (if the locull are smallhoney combed, if large → soap bubble appearance).

May be associated with unerupted tooth (mainly 3 molar) or in place of a missed tooth.

Resorption of roots of involved teeth. Rarely may appear unilocular RL with scalloped margins.

Question 3

Unicystic is it painful?
In max?
Neighbouring teeth?

Answer 3

No
Tuberosity 15%
Mobile with resorbed roots

Question 4

Ttt of unicystic ameloblastoma

Answer 4

Marginal resection with 1cm safety margin
Enblock resection can be done
Enucleation with curettage causes 55 to 90% recurrence

Question 5

Recurrence rate of unicystic ameloblastoma

Answer 5

10 to 20%

Question 6

Site and symptoms of unicystic ameloblastoma

Answer 6

• 90% in posterior mandible

- asymptomatic but if large would cause painless swelling

Question 7

Peripheral ameloblastoma clinically

Answer 7

• painless swelling sessile or pedunculated in ging. Or alveolar mucosa of post mand
• not ulcerated
• size less than 1.5 cm

Question 8

Recurrence of peripheral ameloblastoma

Answer 8

25%

Question 9

Which is worse ameloblastic carcinoma or malignant ameloblastoma

Answer 9

Ameloblastic carcinoma

Question 10

Malignant ameloblastoma

Answer 10

• same histology
• no signes of malignancy
• malignant behaviour
• with distant metastasis by lymphatic and blood
• into lung vertebrae other bones cervical lymph nodes
• radiographically the same

Question 11

Ameloblastic carcinoma

Answer 11

• ameloblastoma that show signes of malignancy histologically
• may have metastasis
• lically aggressive
• illdefined with cortical destruction