Items tagged “bone tumour”

35 results found
Article

Aneurysmal bone cyst

Aneurysmal bone cysts (ABC) are benign expansile tumour-like bone lesions of uncertain aetiology, composed of numerous blood-filled channels, and mostly diagnosed in children and adolescents. Epidemiology Aneurysmal bone cysts are primarily seen in children and adolescents, with 80% occurring ...
Article

Osteosarcoma

Osteosarcomas are malignant bone forming tumours and the second most common primary bone tumour after multiple myeloma. They account for ~20% of all primary bone tumours and occur in primary and secondary forms, each with different epidemiology and distribution. Although plain radiography can pr...
Article

Giant cell tumour of bone

Giant cell tumours of bone, also known as osteoclastomas, are relatively common bone tumours and are usually benign. They typically arise from the metaphysis of long bones, extend into the epiphysis adjacent to the joint surface, and have a narrow zone of transition. Epidemiology Giant cell tu...
Article

Parosteal osteosarcoma

Parosteal osteosarcoma is a subtype of osteosarcoma and arises from the outer layer of the periosteum.  Epidemiology It is the most common type of juxtacortical or surface osteosarcoma and accounts for ~5% of all osteosarcomas. It typically presents in early adulthood and middle age with a pea...
Article

Clear cell chondrosarcoma

Clear cell chondrosarcomas represent a chondrosarcoma subtype representing 1-2% of all chondrosarcomas. They are typically low-grade (see chondrosarcoma grading) and get their name from the presence of clear cell chondrocytes which have abundant vacuolated cytoplasm due to the presence of glycog...
Article

Mesenchymal chondrosarcoma

Mesenchymal chondrosarcomas are a rare chondrosarcoma subtype. Pathology They are found in both bone and soft tissues (see: extraskeletal chondrosarcoma).  Histology Mesenchymal chondrosarcomas are characterised by bimorphic histology: densely packed small round blue cells similar to those ...
Article

Myxoid chondrosarcoma

Myxoid chondrosarcomas are rare, intermediate grade subtype of chondrosarcoma (see chondrosarcoma grading). It is found in both bone and soft tissues (see extraskeletal chondrosarcoma). Epidemiology Typically affects patients in their 30s to 60s with a male predilection 3, 4. They may account ...
Article

Enchondroma vs low grade chondrosarcoma

Distinguishing between enchondromas and low-grade conventional chondrosarcomas is a frequent difficulty as the lesions are both histologically and radiographically very similar. It is important to remember, though, that differentiating between them may be a moot point since both can either be c...
Article

Primary intraosseous haemangioma

Primary intraosseous haemangiomas, also referred to as vascular hamartomas, are haemangiomas seen most frequently in the vertebrae or skull, that come in four histological varieties (see below) 1-2. Epidemiology Intraosseous haemangiomas are common, with vertebral haemangiomas seen in 10-15% o...
Case

Giant cell tumour with aneurysmal bone cyst of sacrum

GCT with ABC
 Diagnosis certain
A.Prof Frank Gaillard
Published 04 Nov 2009
75% complete
X-rayCTMRI
Case

Parosteal osteosarcoma

Parosteal osteosa...
 Diagnosis certain
A.Prof Frank Gaillard
Published 06 Nov 2009
60% complete
X-ray
Case

Osteosarcoma - distal tibia

 Diagnosis almost certain
A.Prof Frank Gaillard
Published 06 Nov 2009
74% complete
X-rayMRI
Case

Osteosarcoma - distal femur

 Diagnosis almost certain
A.Prof Frank Gaillard
Published 06 Nov 2009
77% complete
X-rayNuclear medicineMRI
Case

Osteosarcoma of the distal femur

 Diagnosis certain
A.Prof Frank Gaillard
Published 06 Nov 2009
98% complete
Nuclear medicineX-rayMRIDiagram
Case

Distal femoral osteosarcoma with pathological fracture

 Diagnosis certain
A.Prof Frank Gaillard
Published 06 Nov 2009
91% complete
X-ray
Case

Osteoblastoma

Osteoblastoma
 Diagnosis almost certain
Dr Angela Byrne
Published 11 Nov 2009
39% complete
X-rayCTMRI
Case

Giant cell tumour

GCT
 Diagnosis certain
Dr Hani Salam
Published 25 Feb 2010
73% complete
X-rayMRINuclear medicine
Case

Osteochondroma

Osteochondroma
 Diagnosis almost certain
Dr Ruslan Asadov
Published 22 Apr 2010
30% complete
CT
Case

Chondromyxoid fibroma

 Diagnosis almost certain
Dr Hani Salam
Published 05 Jul 2010
72% complete
X-rayMRINuclear medicineDiagram
Case

Osteosarcoma

 Diagnosis certain
Dr Hani Salam
Published 19 Jul 2010
56% complete
X-rayNuclear medicineCTMRI

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