Items tagged “bone tumour”
69 results found
Article
Primary bone lymphoma
Primary bone (skeletal/osseous) lymphoma (PBL) is a less common manifestation of lymphoma than secondary involvement from disseminated lymphoma. It is rare, accounting for <5% of bone tumors and <1% of non-Hodgkin lymphoma.
Terminology
PBL is defined as the presence of lymphoma isolated to one...
Article
Tumors that metastasize to bone (mnemonic)
Tumors that metastasize to bone may be remembered using the mnemonic "PBKTL", rendered as "lead kettle", as "Pb" is the standard abbreviation for the chemical element, lead.
PB-KTL
Mnemonic
P: prostate
B: breast
K: kidney
T: thyroid
L: lung
For females, breast and lung are the most commo...
Article
Type 1 pelvic resection
Type 1 pelvic resections are complex surgeries that involve removing part of the pelvis, usually to resect malignant tumor.
Type 1 pelvic resections remove a varying amount of the iliac bone, and are classified in general terms as "partial" or "complete", depending on how much of the iliac bone...
Article
Describing a bone lesion
Describing a bone lesion is an essential skill for the radiologist, used to form an accurate differential diagnosis for neoplastic entities, and occasionally non-neoplastic. In addition to patient demographics, the radiographic features of a bone lesion are often the primary determinant of non-h...
Case
Telangiectatic osteosarcoma
Published
12 Dec 2018
77% complete
X-ray
MRI
Case
Periosteal osteosarcoma
Published
12 Dec 2018
77% complete
X-ray
MRI
Case
Parosteal osteosarcoma
Published
12 Dec 2018
78% complete
X-ray
MRI
CT
Case
Osteosarcoma - femur
Published
21 Dec 2018
95% complete
MRI
CT
Case
Ollier disease
Published
21 Dec 2018
75% complete
X-ray
Case
Primary bone lymphoma
Published
28 Dec 2018
92% complete
X-ray
MRI
Case
Osteoid osteoma - femoral neck
Published
10 Jan 2019
78% complete
CT
MRI
Case
Osteoid osteoma - humerus
Published
02 Feb 2019
80% complete
CT
Case
Peripheral primitive neuroectodermal tumor (pPNET) - pelvis
Published
21 Dec 2020
89% complete
MRI
CT
Case
Sunburst periosteal reaction
Published
04 Sep 2020
66% complete
X-ray
Article
Osteochondromyxoma
Osteochondromyxomas (OMX) are very rare benign tumors with both a chondroid and osteoid matrix mostly seen within the Carney complex.
Epidemiology
Generally, osteochondromyxomas are extremely rare. Within the Carney complex, they occur in about 1% of the patients and are usually seen early in ...
Article
High-grade surface osteosarcoma
High-grade surface osteosarcomas are sporadic and high-grade malignant osteoid-forming tumors emerging from the bony surfaces similar to parosteal and periosteal osteosarcomas.
Epidemiology
High-grade surface osteosarcomas are very rare and constitute <1% of all osteosarcomas. There seems to b...
Article
Epithelioid hemangioma of bone
Epithelioid hemangiomas of bone are benign intraosseous vascular neoplasms of epithelioid morphology which show locally aggressive behavior.
Terminology
The following terms are not recommended 1:
histiocytoid hemangioma
hemorrhagic epithelioid hemangioma
spindle cell hemangioma
Epidemiolo...
Article
Fibrocartilaginous mesenchymoma
Fibrocartilaginous mesenchymomas are very rare locally aggressive mesenchymal bone tumors composed of spindle cells seen in children and adolescents.
Terminology
The term 'fibrocartilaginous mesenchymoma with low-grade malignancy' has been discouraged 1.
Epidemiology
Fibrocartilaginous mesen...
Article
Poorly differentiated chordoma
Poorly differentiated chordomas are highly aggressive poorly differentiated notochordal tumors with a loss of SMARCB1 expression.
Epidemiology
Poorly differentiated chordomas are very rare tumors typically seen in children and young adults under the age of 30 years. Females are more frequently...
Article
Dedifferentiated chordoma
Dedifferentiated chordomas are biphasic malignant tumors composed of notochordal and high-grade sarcomatous components.
Epidemiology
Dedifferentiated chordomas are very rare tumors that might be seen in recurrences or after radiotherapy 1-3.
Diagnosis
The diagnosis is based on typical imagin...
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