Which is NOT a finding consistent w/ Gardner's syndrome?
D. Faulty dentition
All of following lesions may have similar appearance w/ the exception of ____.
C. Peripheral chondrosarcoma
Oval shaped painful eccentric radiographic lesion produces slight cortical expansion in tibia is consistent w/ ___.
C. chondromyxoid fibroma
Tumors of patella although uncommon are usually of _______ type.
C. cartilaginous
Periosteal reactions indicate?
B. aggressiveness pathology
Primary malignant tumor may present w/ symptoms similar to infection is ____.
C. Ewing's sarcoma
Benign neoplasm w/ greatest spinal tendency is ___.
D. osteoblastoma
Punched out lesions are characterized by _____.
C. short margination
Peculiarity of enchondroma's malignant potential is ____.
B. close to axial skeleton
Pathologically, which bone malignancy produces neoplasm osteoid?
B. osteosarcoma
Osteosarcoma of axial skeleton is rare, however, will commonly originate at ____ when it does.
B. sacrum
Sinister feature of osteosarcoma is tendency to metastasize in ____.
D. brain
Classical periosteal response of osteosarcoma is ____.
C. Codman's
Of primary malignant bone neoplasms, which is considered to have better prognosis?
A. chondrosarcoma
Giant cell tumor at this location has high incidence of malignancy
B. distal radius
Most common benign tumor of sacrum is ____.
B. giant cell
All of following are considered common benign tumors EXCEPT ____?
C. chondroblastoma
Cortical saucerization is an early characteristic finding for which primary tumor & also commonly metastasizes to other skeletal sites including the spine?
Ewing's sarcoma
Paget's will most likely result from ____.
Osteosarcoma
Which lesion is asymptomatic?
osteochondroma & osteoma
Which soap bubble lesion does NOT belong b/c of age?
bone cyst
MC bones affected by skeletal metastasis?
spine & pelvis
MC spinal location for chondroma?
C2
Bone tumor w/ predilection to proximal humeral tuberosity?
chondroblastoma
Infection that mimics osteoid osteoma along w/ pain @ night?
Brodie's abscess
Which is NOT radiographic feature of spinal metastasis?
Decreased disc space
Treatment of choice for osteosarcoma before metastasis is?
amputation
Benign tumor w/ bony cartilaginous element is?
osteochondroma
MC malignant skeletal tumor is?
metastasis
50% have stippled & punctated calcification?
solitary enchondroma
Benign neoplasmic lesion is?
aneurysmal bone cyst
MC in metacarpals & phalanges is?
enchondroma
MC pathway for skeletal metastases is?
hematogenous venous
Which is NOT considered a characteristic of osteochondroma
common in intramembranous bone
Expansile geographic lesion extending into metaphysis to subarticular region is?
osteoclastoma
98% of chondroblastomas originate from the epiphysis?
True
2 painful but rare lesions w/ similar appearances are?
osteoid osteoma & osteoblastoma
Benign tumor arising from residual islands of cartilage left in metaphysis as physis grows away is?
enchondroma
Phalanges account for 40% & metacarpals 10% for this tumor?
enchondroma
Which of the following is the correct order of primary bone malignancies?