Question 289 · LDEK · Malignant tumors
Choose correct statements regarding the primary ameloblastic carcinoma (ACp):
1) bone resection with 1 cm margin is the treatment of choice;
2) ACp is characterized by high radiosensitivity;
3) mortality rate is 31% and relapse rate is 33%;
4) it is most often observed in second and third decade of life;
5) it is the most common in midmaxillary region;
6) first and early symptom of tumor development is maxillary bone expansion, usually accompanied by pain, trismus, displacement and mobility of the teeth, and also dysphonia;
7) pathologic fracture of the mandible is rarely observed;
8) metastases usually concern the cervical and pulmonary lymphatic system.
The correct answer is:
2) ACp is characterized by high radiosensitivity;
3) mortality rate is 31% and relapse rate is 33%;
4) it is most often observed in second and third decade of life;
5) it is the most common in midmaxillary region;
6) first and early symptom of tumor development is maxillary bone expansion, usually accompanied by pain, trismus, displacement and mobility of the teeth, and also dysphonia;
7) pathologic fracture of the mandible is rarely observed;
8) metastases usually concern the cervical and pulmonary lymphatic system.
The correct answer is:
- A. 1,2,3,4,5.
- B. 2,3,5,6,8.
- C. 1,4,5,7.
- D. 3,6,8.
- E. 2,5,6,8.
Hint
Eliminate statements about high radiosensitivity, young age and the anterior maxilla — none fits an aggressive odontogenic carcinoma.
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