Neoplasms

Question 1

Where in the oral cavity is malignant melanoma most commonly found?

Answer 1

Palate and maxillary gingiva

Question 2

-62 y/o African
- cc: loose lower molars
Recent lower back pain
- rx: punched out radiolucencies

Answer 2

Multiple myeloma

Question 3

What is multiple myeloma

Answer 3

A disease of abnormal plasma cells that accumulate in the bone marrow.

Question 4

Bence jones proteins in urine

Answer 4

Multiple myeloma

Question 5

The least common type of malignant melanoma

Answer 5

Acral lentiginous melanoma

Question 6

Skin cancer common in US

Answer 6

BCC
SCC
Melanoma - least

Question 7

In TNM, N represents:

Answer 7

The presence of regional lymph node involvement

Question 8

Most common site of SCC of the tongue is the:

Answer 8

Posterior lateral border

Question 9

Of the following SCC, what is the least common?

Answer 9

Nasopharynx

Question 10

Cancer or cancer of what oral cavity structure is most commonly associated with mortality?

Answer 10

Tongue

Question 11

Second most commonly intraoral location of SCC?

Answer 11

Floor of the mouth

Question 12

-47 y/o HIV+
-cc: exophytic growth in the maxillary left mucobuccal fold
- “starry - sky” morphology
- Burkit’s lymphoma

What virus is thought to be responsible for this?

Answer 12

Epstein-Barr virus

Question 13

Radiographic appearance of burkitt lymphoma:

Answer 13

Moth eaten

Question 14

Ewing sarcoma most often presents radiographically as:

Answer 14

Ill-defined lytic lesion with an onionskin parosteal reaction in the long bones

Question 15

Most common malignancy in bone:

Answer 15

Metastatic carcinoma

Question 16

-15y/o
- cc: localized pain in his right femur and rapidly enlarging swelling
- rx: “sunray” appearance

Answer 16

Osteosarcoma

Question 17

• 32 y/o female in Ethiopia
• purplish-brown nodules on the hard palate
• more of the spots found on arms and legs
• HIV infection has an almost 5% prevalence in urban

Answer 17

Kaposi Sarcoma

Question 18

The ______ presents as a movable, but winless submission nodule with a yellowish-pink discoloration most commonly in the floor of the mouth.

Answer 18

Oral lymphoepithelial cyst

Question 19

A low-grade, well defined squamous cell neoplasm of soft tissue of the oral or laryngeal cavity.
- rarely metastasizes
-male
-broad based, exophytic, indurated lesion
- painless
Slow growing

Answer 19

Verrucous carcinoma

Question 20

A malignant neoplasm of stratified squamous epithelium.
- most common type of oral cancer
-males (40-65 y/o)
- lower lip is the most common site
- posterolateral border of the tongue
- risk factor: smoking

Answer 20

SCC