Tumor locations within bone

Question 1

What tumors have an affinity for the skull?

Answer 1

EG (eosinophilic granuloma), mets, myeloma

Question 2

a. What are the mc locations for Enchondroma?

b. Where within the bone itself is this tumor most likely to be?

Answer 2

a. phalanges of hands and feet, femur, humerus, metacarpals, rib
b. Metaphysis, central medullary

Question 3

a. What are the mc locations for Ewing’s sarcoma?

b. Where within the bone itself is this tumor most likely to be?

Answer 3

a. femur, tibia (mc long bones), Pelvis (iliac bone), fibula, rib
b. diaphyseal

Question 4

What primary malignancy is seen in 10-25 yr old Caucasian males?

Answer 4

Ewing’s sarcoma

Question 5

What primary malignancy mimics an infection?

Answer 5

Ewing’s sarcoma

Question 6

Lytic metastasis in Female & Male typical starts where?

Answer 6

F:Breast
M:Lung

Question 7

Blastic metastasis in Female & Male

Answer 7

F:Breast and ovary
M:Prostate

Question 8

Metastases is mc in what part of the body?

Answer 8

vertebrae 
ribs
pelvis
femur
humerus

Question 9

What condition mostly effects the neural arch and is found in the L/S?

Answer 9

Osteoid osteoma

Question 10

Osteoid osteoma mc occurs in what bone?

Answer 10

Femur or Tibia

Question 11

What two conditions has a radiolucent nidus associated with it?

Answer 11

osteoid osteoma and osteoblastoma

Question 12

The histopathology of what condition displays a central fleck of calcification mineralizations?

Answer 12

osteoid osteoma

Question 13

What condition has radiographic feature of he spine has Lucent, expansile lesion with cortical thinning effecting the neural arch?

Answer 13

osteoblastoma mc area T/L junction