Bone Tumor Systematic Approach Quiz

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Which term is used for osteonecrosis within the diaphysis or metaphysis?

Osteosarcoma

Avascular osteonecrosis

Gaucher's disease

Bone infarct (correct)

What is the typical presentation of bone infarcts on imaging?

Central lesion in metaphysis or diaphysis with a well-defined serpentiginous border (correct)

Peripheral lesion with fuzzy borders

Periosteal reaction with a soft tissue mass

Central lesion in epiphysis

What imaging feature characterizes bone infarcts on both T1 and T2 weighted images?

Low signal intensity (correct)

Enhancement after i.v. Gadolinium

Absence of fat signal

High signal intensity

What is the main cause of bone infarcts?

Corticosteroid use Signup and view all the answers

In which type of lesions do we see aggressive periosteal reactions and soft tissue masses?

Mixed osteolytic and sclerotic lesions Signup and view all the answers

What type of lesion is characterized by a thick cartilage cap, lytic peripheral part with subtle calcifications, and a zone of high signal intensity on T2-weighted images?

Osteoid osteoma Signup and view all the answers

Which condition may show a periosteal and endosteal reaction leading to reactive sclerosis, obscuring the central nidus in certain localizations?

Osteoid osteoma Signup and view all the answers

Which bone tumor is characterized by a highly malignant formation with a permeative pattern of the transition zone, irregular cortical destruction, and interruption of the periosteum?

Osteosarcoma Signup and view all the answers

What type of lesion may manifest as a large tumor mass infiltrating a significant portion of the bone and extending into the soft tissues?

Osteosarcoma Signup and view all the answers

Which condition can present with a mix of lytic and sclerotic components, often with cortical soft tissue extension and elevation of periosteum from underlying bone?

Osteosarcoma Signup and view all the answers

Which condition can present as an osteolytic lesion with sharp margins and may have septa and ridges?

Brown tumors from hyperparathyroidism Signup and view all the answers

What is the typical presentation of chondroblastoma?

A well-defined osteolytic lesion in the tarsal bone, patella, or epiphysis of a long bone in a 20-year old with joint pain and swelling Signup and view all the answers

Which bone lesion is characterized by being expansile, well-defined, and filled with blood?

Solitary Bone Cyst (SBC) Signup and view all the answers

What is the radiological hallmark of chondrosarcoma?

Formation of a chondroid (cartilagenous) matrix with stippled or popcorn-like calcifications Signup and view all the answers

Which pathology can mimic bone tumors and has a broad spectrum of radiographic features, occurring at any age?

Infection or osteomyelitis Signup and view all the answers

What is the typical appearance of a bone island on imaging?

Round or oval benign lesion consisting of mature bone tissue within the medullary cavity Signup and view all the answers

Which disease can lead to avascular osteonecrosis resulting in osteolytic lesions and permeative cortical destruction patterns?

Bone infarct Signup and view all the answers

How can an enchondroma be differentiated from chondrosarcoma?

Presence of peripheral low signal intensity due to calcifications Signup and view all the answers

Which bone pathology is characterized by a true cyst, frequently presents with a fracture, and has a predilection for the proximal humerus and femur?

Solitary Bone Cyst (SBC) Signup and view all the answers

Which bone tumor is almost always low-grade and known for its primary presentation in the proximal long bones, around the knee, pelvis, and shoulder girdle?

Chondrosarcoma Signup and view all the answers

Which type of bone lesion typically presents as a solitary, benign tumor producing osteoid and bone?

Osteoblastoma Signup and view all the answers

In which age group is bone metastasis more common?

Over 40 Signup and view all the answers

Which bone tumor is characterized by multiple lytic 'punched out' lesions in the axial skeleton and diaphysis of long bones?

Multiple Myeloma Signup and view all the answers

Which type of lesion will not show any uptake on a bone scan?

Bone infarct Signup and view all the answers

Which type of bone tumor can be discriminated by the patient being over the age of 40?

Multiple Myeloma Signup and view all the answers

Which type of bone tumor is typically located centric in long bones?

Enchondroma Signup and view all the answers

Which type of mineralization pattern is typically seen in osseous tumors like osteoid osteomas?

Rings-and-arcs Signup and view all the answers

Which type of bone tumor is characterized by a chondroid matrix with rings-and-arcs pattern?

Chondrosarcoma Signup and view all the answers

Which type of bone tumor is commonly eccentrically located in long bones?

Giant cell tumor (GCT) Signup and view all the answers

Which type of bone tumor primarily arises from the periosteum?

Parosteal osteosarcoma Signup and view all the answers

Which type of bone lesion may show uniform cortical bone destruction?

Benign lesion Signup and view all the answers

In ballooning, the addition of new bone occurs at the same rate as the destruction of which cortical bone surface?

Endosteal cortical bone Signup and view all the answers

Which term is used to describe the smooth and uninterrupted 'neocortex' formed in ballooning?

Neoplastic cortex Signup and view all the answers

What is a feature of more aggressive lesions like giant cell tumor (GCT) with regards to ballooning?

Focal interruption in the neocortex Signup and view all the answers

Which condition can present with endosteal scalloping of the cortical bone?

Chondromyxoid myxoma Signup and view all the answers

Avascular osteonecrosis typically affects which part of the bone?

Epiphysis Signup and view all the answers

Mixed lytic-sclerotic lesions are commonly seen in which type of tumor or condition?

Chondrosarcoma Signup and view all the answers

Osteolytic tumors are characterized by which of the following?

Destruction of the bone cortex Signup and view all the answers

Bone infarcts may present with what imaging feature on both T1 and T2 weighted images?

Double line sign Signup and view all the answers

Complete destruction of cortical bone may be seen in high-grade malignant lesions and which other type of lesions?

Fibrous dysplasia (FD) Signup and view all the answers

Bone Tumor Systematic Approach Quiz

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Questions and Answers

Which term is used for osteonecrosis within the diaphysis or metaphysis?

What is the typical presentation of bone infarcts on imaging?

What imaging feature characterizes bone infarcts on both T1 and T2 weighted images?

What is the main cause of bone infarcts?

In which type of lesions do we see aggressive periosteal reactions and soft tissue masses?

What type of lesion is characterized by a thick cartilage cap, lytic peripheral part with subtle calcifications, and a zone of high signal intensity on T2-weighted images?

Which condition may show a periosteal and endosteal reaction leading to reactive sclerosis, obscuring the central nidus in certain localizations?

Which bone tumor is characterized by a highly malignant formation with a permeative pattern of the transition zone, irregular cortical destruction, and interruption of the periosteum?

What type of lesion may manifest as a large tumor mass infiltrating a significant portion of the bone and extending into the soft tissues?

Which condition can present with a mix of lytic and sclerotic components, often with cortical soft tissue extension and elevation of periosteum from underlying bone?

Which condition can present as an osteolytic lesion with sharp margins and may have septa and ridges?

What is the typical presentation of chondroblastoma?

Which bone lesion is characterized by being expansile, well-defined, and filled with blood?

What is the radiological hallmark of chondrosarcoma?

Which pathology can mimic bone tumors and has a broad spectrum of radiographic features, occurring at any age?

What is the typical appearance of a bone island on imaging?

Which disease can lead to avascular osteonecrosis resulting in osteolytic lesions and permeative cortical destruction patterns?

How can an enchondroma be differentiated from chondrosarcoma?

Which bone pathology is characterized by a true cyst, frequently presents with a fracture, and has a predilection for the proximal humerus and femur?

Which bone tumor is almost always low-grade and known for its primary presentation in the proximal long bones, around the knee, pelvis, and shoulder girdle?

Which type of bone lesion typically presents as a solitary, benign tumor producing osteoid and bone?

In which age group is bone metastasis more common?

Which bone tumor is characterized by multiple lytic 'punched out' lesions in the axial skeleton and diaphysis of long bones?

Which type of lesion will not show any uptake on a bone scan?

Which type of bone tumor can be discriminated by the patient being over the age of 40?

Which type of bone tumor is typically located centric in long bones?

Which type of mineralization pattern is typically seen in osseous tumors like osteoid osteomas?

Which type of bone tumor is characterized by a chondroid matrix with rings-and-arcs pattern?

Which type of bone tumor is commonly eccentrically located in long bones?

Which type of bone tumor primarily arises from the periosteum?

Which type of bone lesion may show uniform cortical bone destruction?

In ballooning, the addition of new bone occurs at the same rate as the destruction of which cortical bone surface?

Which term is used to describe the smooth and uninterrupted 'neocortex' formed in ballooning?

What is a feature of more aggressive lesions like giant cell tumor (GCT) with regards to ballooning?

Which condition can present with endosteal scalloping of the cortical bone?

Avascular osteonecrosis typically affects which part of the bone?

Mixed lytic-sclerotic lesions are commonly seen in which type of tumor or condition?

Osteolytic tumors are characterized by which of the following?

Bone infarcts may present with what imaging feature on both T1 and T2 weighted images?

Complete destruction of cortical bone may be seen in high-grade malignant lesions and which other type of lesions?

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