Second half-tumors and tumor-like conditions Flashcards
Name for rare benign bone tumor with unlimited growth potential?
osteoblastoma
What are the clinical features for osteoblastoma?
dull pain of insidious onset, worse at night in some localized swelling and tenderness decreased ROM painful scoliosis
Where do osteoblastomas mostly occur?
in the spine (also long bones and small bones of the feet)
Patient has dull pain of insidious onset and decreased ROM
osteoblastoma
This area of the patient is tender to touch and pressure which is worse at night and decreases with activity. Aspirin gives relief in 20-30 minutes.
osteoid osteoma
(two O’s=pop 2 aspirin)
What tumor gives a double density sign on a bone scan?
osteoid osteoma
For precise detection and localization of a nidus associated with osteoid osteoma, what modality would you use?
CT
A benign tumor arising in membranous bone (skull).
osteoma
commonly found in adulthood
What tumor is associated with Gardner’s syndrome?
osteoma
Fallen fragment sign
SBC
Double density on bone scan?
osteoid osteoma
Fluid-fluid levels
ABC
Rind sign
Fibrous dysplasia
Osteoporosis circumscripta
Paget’s lytic phase
Rim sign
Paget’s pelvis, mixed
One-eyed pedicle sign
lytic mets
Blade of grass sign
Paget’s lytic phase in long bones
Picture frame vertebra
Paget’s mixed in vertebra
Ivory vertebra
mets, Paget’s, lymphoma
Name the tumor that is a benign cartilaginous growth in the medullary cavity of bones and is preformed in cartilage.
enchondroma
What is another name for enchondromatosis?
Ollier’s disease
Name the tumor that is a solitary vascular neoplasm which is slow growing and compromised of newly formed capillary, cavernous*, or venous blood vessels.
hemangioma
*most common in the spine
Possible complications are shepard’s crook and sabre shin deformities with what tumor?
firbous dysplasia
Cotton wool appearance (areas of increased density in the skull) are associated with what disease?
Paget’s
Name the tumor
Giant cell tumor
*loves distal femur and proximal tibia
A rare benign tumor with unlimited growth potential
osteoblastoma
Which type of osteoid osteoma may be difficult to diagnose due to little reactive sclerosis?
cancellous
