Bone Lesions

Question 1

Tumor that is displaying soap bubble appearance on x-ray with multinucleated giant cells.

Answer 1

Giant cell tumor which is found in the epiphysis and is benign.

“Epic Giant” = Epiphysis

Question 2

Mature bone with a cartilaginous cap

Answer 2

Osteochondroma
The most common benign tumor ofthe bone “an exostosis”
Can rarely become chondrosarcoma.

Question 3

Describe where osteosarcoma is found

Answer 3

Found most commonly in the metaphysis near the knee.
Look for codmans triangle.
Its a common malignancy and treatment requires surgical resection.

Question 4

Describe ewing sarcoma

Answer 4

Most commonly seen in the diaphysis of young boys <15 years old.

Anaplastic small blue cell malignant tumor!

Question 5

Anaplastic small blue cell malignant tumor with onion skinning

Answer 5

Ewing sarcoma

Thing young boys

Question 6

Associated with t11;22 transloacation

Answer 6

Ewings sarcoma

Question 7

tumors found in the diaphysis

Answer 7

ewings sarcoma
myeloma
osteoid osteoma
fibrous dysplasia

Question 8

Tumors found in the metaphysis

Answer 8

Osteosarcoa

Osteochondroma

Question 9

Tumors found in the epiphysis

Answer 9

Giant cell tumor