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What is the radiographic appearance of osteochondroma?

What is the radiographic appearance of osteochondroma?

The radiographic appearance of solitary osteochondroma, particularly in long bones, is frequently pathognomonic. The lesion is composed of cortical and medullary bone protruding from and continuous with the underlying bone (,,,,,,,,Figs 4, ,,,,,,,5).

Which type of cartilage is in osteochondroma?

Osteochondromas are the most common benign tumors of the bones. The tumors take the form of cartilage-capped bony projections or outgrowth on the surface of bones exostoses. It is characterized as a type of overgrowth that can occur in any bone where cartilage forms bone….

Osteochondroma
Specialty Orthopedics

How is osteochondroma diagnosed?

X-ray: In almost all cases, an osteochondroma can be diagnosed using an x-ray. An x-ray uses a small amount of radiation to produce pictures of a child’s bones and organs. This helps to determine where the growth is located.

What is a cartilaginous cap?

The cartilage cap of an osteochondroma is composed of hyaline cartilage (12), which comprises of articular and epiphyseal cartilage as well as physes (13,14). Hyaline cartilage is characterized by chondrocytes surrounded by a larger component of extra-cellular matrix (ECM).

Can you see osteochondroma on xray?

Plain radiography is the mainstay of imaging for osteochondroma. Good-quality radiographs should be obtained in two perpendicular planes to characterize the lesion fully. Classic radiographic features include orientation of the lesion away from the physis and medullary continuity. (See the images below.)

What is the difference between osteosarcoma and osteochondroma?

“Chondro” means cartilage. When cancer grows from an osteochondroma, it grows out of the cartilage cap. This is different from osteosarcoma, which is cancer in your bone.

How do I know if my osteochondroma is cancerous?

Although it is rare for an osteochondroma to change into a cancerous tumor, it is possible. In adults, a thick covering of cartilage over the tumor is one sign of such a change. A tumor in an adult patient should be checked for cancer if it is enlarging or has become painful. Biopsy.

Can osteochondroma be misdiagnosed?

In the current case, no initial biopsy was performed, leading to a misdiagnosis of osteochondroma. Consequently, the patient received an inappropriate treatment while appropriate treatment was delayed. Misdiagnosis can have dire consequences and this error could have been avoided if greater care was taken.

Whats the difference between osteochondroma and osteosarcoma?

Is exostosis same as osteochondroma?

Multiple Osteochondromatosis. Multiple osteochondromatosis is also referred to as multiple osteocartilaginous exostosis, multiple hereditary exostosis (MHE), familial osteochondromatosis, multiple hereditary osteochondromatosis, or diaphyseal aclasia. The number and location of osteochondromas varies.

Does MRI show bone?

In orthopedics, an MRI may be used to examine bones, joints, and soft tissues such as cartilage, muscles, and tendons for injuries or the presence of structural abnormalities or certain other conditions, such as tumors, inflammatory disease, congenital abnormalities, osteonecrosis, bone marrow disease, and herniation …

How do I know if osteochondroma is cancerous?

How would you know if osteochondroma turned cancerous?

  1. The tumor is causing unexplained pain.
  2. The tumor has continued to grow after the skeleton has stopped growing.
  3. The cap of the tumor is more than 1.5 cm thick in a fully grown patient.

Should I worry about osteochondroma?

Should I be Worried? It is rare for osteochondromas to require extensive treatment and surgery and even more rare for the benign bone tumors to become cancerous. Your child’s orthopedic specialist will walk you through the next steps and work with you and your child to monitor the tumor’s growth.

Can osteochondroma turn cancerous?

Although it is rare for an osteochondroma to change into a cancerous tumor, it is possible. In adults, a thick covering of cartilage over the tumor is one sign of such a change. A tumor in an adult patient should be checked for cancer if it is enlarging or has become painful.

Can an MRI detect osteosarcoma?

MRIs can also show small bone tumors several inches away from the main tumor (called skip metastases). Knowing the extent of an osteosarcoma is very important when planning surgery. An MRI scan usually shows better details than a CT scan (described below).

Does MRI show cartilage?

MRI has proven valuable in diagnosing a broad range of conditions, including tendon, ligament, muscle, cartilage and bone abnormalities that are not as visible on x-rays or CT scans.

How often do osteochondroma become cancerous?

There is about a 1% chance of osteochondroma becoming cancerous over time. For this reason, your healthcare provider may want to keep it under observation. More severe cases of multiple osteochondromatosis can cause abnormal bone growth in children.

How do you know if osteochondroma is cancerous?

Should I be worried about osteochondroma?

Is osteochondroma serious? Generally, no. A solitary osteochondroma usually won’t require any treatment, unless the growth begins to put pressure on nearby tissues, nerves, blood vessels or other bones. In these cases, it may need to be removed.

Can you tell if a tumor is cancerous from an MRI?

Using MRI, doctors can sometimes tell if a tumor is or isn’t cancer. MRI can also be used to look for signs that cancer may have metastasized (spread) from where it started to another part of the body. MRI images can also help doctors plan treatment such as surgery or radiation therapy.

What is osteochondroma MRI?

Osteochondroma: MR imaging of tumor-related complications. Osteochondromas can be complicated by mechanical irritation, compression or injury of adjacent structures, fracture, malignant transformation, and postoperative recurrence.

What does the cartilage cap of osteochondromas look like?

The cartilage cap of osteochondromas appears the same as cartilage elsewhere, with intermediate to low signal on T1 and high signal on T2 weighted images. A cartilage cap of over 1.5 cm in thickness after skeletal maturity is suspicious for malignant degeneration, while the cartilage cap maybe seen up to 3 cm in thickness in young patients 3.

What does a photograph of the gross specimen show of osteochondroma?

(c) Photograph of the sectioned gross specimen shows marrow space of the osteochondroma (*) and the thin hyaline cartilage cap (arrow). Figure 10c. Cervical spine osteochondroma in an 11-year-old boy with radicular symptoms. Radiographs (not shown) were normal.

How to measure cartilage cap thickness in chondrosarcoma?

The proposed measuring technique allows accurate and reproducible measurement of cartilage cap thickness with both CT and MR imaging. Cap thickness of 2 cm or greater strongly indicated secondary chondrosarcomas. The proposed measuring technique allows accurate and reproducible measurement of cartilage cap thickness with both CT and MR imaging.

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