Fibroma x ray: Difference between revisions
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*In approximately 100% of cases geographic bone destruction is present | *In approximately 100% of cases geographic bone destruction is present | ||
*In approximately 85% of cases well defined sclerotic margin is present | *In approximately 85% of cases well defined sclerotic margin is present | ||
*In approximately 60% of cases there can be presence of septations ( | *In approximately 60% of cases there can be presence of septations (pseudo trabeculation) | ||
*In approximately 12.5% there can be presence of matrix calcification | *In approximately 12.5% there can be presence of matrix calcification | ||
==Desmoplastic Fibroma== | |||
The following features are seen on plain radiograph of desmoplastic fibromas: | |||
*Desmoplastic fibromas are typically seen as a lytic bone lesions with a geographic pattern of bone destruction | |||
*It often has a narrow zone of transition and non-sclerotic margins | |||
*In approximately more than 90% of cases internal pseudo trabeculation is present | |||
*Matrix mineralisation is not present | |||
*In approximately 90% of cases widening of the host bone from gradual apposition of periosteal new bone formation is seen | |||
==Pleural Fibroma== | |||
The following features are seen on plain radiograph of pleural fibromas: | |||
*On X-ray pleural fibromas presents as a pleural based mass. They tend to be relatively circumscribed and can sometimes be lobulated. It often forms an obtuse angle with the chest wall. Tumors may grow to a large size. Pedunculated lesions can change position and appearance with respiration or with a change in position. Calcification, rib destruction, and pleural effusions are typically not associated features. | |||
==Cemento-ossifying fibroma== | |||
The following features are seen on plain radiograph of cemento-ossifying fibromas: | |||
*Cemento-ossifying fibromas are usually well circumscribed masses which expand the underlying bone. They are usually small, but can become large. This is particularly the case when they arise from the maxilla or paranasal sinuses because there is more room to expand. | |||
*They are initially lucent on x-ray. As they mature, they gradually develop increasing amounts of calcification/ossification as they mature. They usually expand the bone without cortical breach. | |||
==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
Revision as of 19:38, 6 March 2016
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Fibroma Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Fibroma x ray On the Web |
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American Roentgen Ray Society Images of Fibroma x ray |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]
Overview
On x-ray, fibroma is characterized by sharply demarcated, asymmetrical, cortically based lucencies with a thin sclerotic rim.
X-Ray
Non-ossifying Fibroma
- On X-Ray, non-ossifying fibromas are characterized by sharply demarcated, asymmetrical, cortically based lucencies with a thin sclerotic rim.
- They often appear multiloculated. They are located in the metaphysis, adjacent to the physis. As the patient ages, they seem to migrate away from the growth plate.
- They have no associated periosteal reaction, cortical breach or associated soft tissue mass.
Ossifying Fibroma
The following radiographic features are noted on x-ray of ossifying fibroma:
- Ossifying fibroma is seen as a well-circumscribed lesion
- Ossifying fibroma demonstrates evidence of intracortical osteolysis with a characteristic sclerotic band
- Cortical expansion
Chondromyxoid Fibroma
The following features are seen on plain radiograph of chondromyxoid fibromas:
- Chondromyxoid fibroma is seen as a lobulated, eccentric radiolucent lesion
- Long axis is parallel to long axis of long bone
- No periosteal reaction (unless a complicating fracture present)
- In approximately 100% of cases geographic bone destruction is present
- In approximately 85% of cases well defined sclerotic margin is present
- In approximately 60% of cases there can be presence of septations (pseudo trabeculation)
- In approximately 12.5% there can be presence of matrix calcification
Desmoplastic Fibroma
The following features are seen on plain radiograph of desmoplastic fibromas:
- Desmoplastic fibromas are typically seen as a lytic bone lesions with a geographic pattern of bone destruction
- It often has a narrow zone of transition and non-sclerotic margins
- In approximately more than 90% of cases internal pseudo trabeculation is present
- Matrix mineralisation is not present
- In approximately 90% of cases widening of the host bone from gradual apposition of periosteal new bone formation is seen
Pleural Fibroma
The following features are seen on plain radiograph of pleural fibromas:
- On X-ray pleural fibromas presents as a pleural based mass. They tend to be relatively circumscribed and can sometimes be lobulated. It often forms an obtuse angle with the chest wall. Tumors may grow to a large size. Pedunculated lesions can change position and appearance with respiration or with a change in position. Calcification, rib destruction, and pleural effusions are typically not associated features.
Cemento-ossifying fibroma
The following features are seen on plain radiograph of cemento-ossifying fibromas:
- Cemento-ossifying fibromas are usually well circumscribed masses which expand the underlying bone. They are usually small, but can become large. This is particularly the case when they arise from the maxilla or paranasal sinuses because there is more room to expand.
- They are initially lucent on x-ray. As they mature, they gradually develop increasing amounts of calcification/ossification as they mature. They usually expand the bone without cortical breach.