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30 Cards in this Set

  • Front
  • Back
osteoma
beingn, reactive, expansile tumor - liek lesion that may be be pedunculataed
usually arise from inramembranous bones
multiple osteomas may occur in Gardner's Syndrome
what bone tumors are located centrally
Central..........Solitary bone cyst, enchondroma
what bone tumors are located eccentrically
Eccentric.-......aneurysmal bone cyst, giant cell tumor
what bone tumors are located cortically
Cortical-.nonossifying fibroma, osteoidosteoma
what tumors are located juxtacortically
osteochondroma, osteosarcoma
what bone tumors are located in the epiphyisis
Epiphysls.....Chondroblastoma
what bone tumors are located in the metaphyisis
-.Osteosarcoma
what bone tumors are located in the diaphysis
ewing's sarcoma, multiple myeloma
what tumor's are located in the physis
giant cell tumor
what tumors are located in the meta/diaphysiseal junction
unciameral bone cyst, enchondroma
common bone tumor at one year old
metastatic neuroblastoma
common tumor 1-10 years old
ewing's sarcoma
common tumor 10-20 years old
aneurysmal bone cyst
common tumor - skeletally mature to age 50
giant cell tumor
common tumor after skeletallymature
chondroblastoma
common tumors 30-60 years old
chondrosarcoma
fibrosarcoma
primary lymphoma
what age do you tend to get osteoid osteoma, where is it normally located
10-25
femur, tibia, foot
chondroblastoma
benign lesion of immature cartilage, mostly epiphyseal,
most pts are male age 10-20
lesions are painful
fine trabeculations "chickenwire calcificatiosn may present in older lesion
chondromyxoid fibroma
rare tuom
age 10-20 years, but in foot tends to be 30-40 years
on x-ray look lucen and appear lobular or bubbly
fibrous dysplasia
age
age 10-30
fibrous dysplasia
radiographic features
"ground glass appearance"
cental-metadiaphyseal in tubular bones
Fibrosarcoma:
a. A malignant, collagenous, metastatic tumor that can occur at any age and
which is uncommon in the foot
b. They may be deep or intradermal
c. They also may be well differentiated or poorly differentiated
d. They may show a histologic "herringbone" pattern of cellular arrangement
Chondrosarcoma:
a. Is a malignant, potentially metastatic cartilage tumor that may show
myxoid and/or osseous elements
b. It Is the third most common malignant bone tumor
c. Most frequently seen between the ages of 40 & 60
Patients demonstrate a painful limp and a mass may be palpable
Unicameral (Simple) Bone Cyst:
Generally are asymptomatic lytic lesions, that are thought to be
interosseous synovial cysts as a result of entrapment if synovium during bone
development
Most cases arise in males over-20 years old
Pain may suggest a fracture of the wall, and a "fallen fragment sign"
represents a fracture chip within the cyst
Ewing's Sarcoma
Is a very malignant, small-cell bone tumor
On x-rays, nonspecific "onionskin" changes and lytic lesions may be
present, and affected areas may be swollen, painful, and tender
It is the fourth most common malignant bone tumor, and is seen most
frequently under the age of 20 years
Most Common Benign Primary Bone Tumor:
#1 osteochondroma (bone spur, subungual exostosis, and other variants)
"Onionskin" Periosteal Reactivity Can Be Seen In:
#1 osteomyelitis (especially Garre sclerosing type
#2 eosinophilic granuloma
#3 Ewing's sarcoma
#4, lymphoma of bone
Codman's Triangle Is Seen In Some Cases Of
#1 osteogenic sarcoma
#2 chondrosarcoma
#3 Ewing's sarcoma
#4 "Paget's" sarcoma
#5 unicameral bone cysts
#6 giant cell tumor of bone
Sunburst" Periosteal Reaction Can Be Seen In:
#1 osteomyelitis
#2 Ewing's sarcoma