Neoplasms - Benign Bone Tumor

Osteochondroma/Hemangioma

What is present with benign bone tumor?

Solid or no periosteal reaction

AKA osteochondroma

Exostosis

Osteochondroma is MC _____ tumor of the _______ _______.

benign, appendicular skeleton

What is the name sign associated with osteochrondroma?

Coat hanger exostosis

• Pedunculated exostosis point up and away from joint line

What can osteochondroma degenerate to?

Osteosarcoma

How does sessile present on x-ray and with what dx does it appear with?

Flat-based exostosis and osteochondroma

How does pedunculated appear on x-ray?

Narrow-stalked exostosis

What is hemangioma?

Vascular solitary neoplasm

• composed of newly formed capillary or venous blood vessels

SLOW GROWING

What group of people does hemangioma affect?

Age group less than 40 and more in males

Where in the body does it mainly affect those with hemangioma?

Spine (T&L)

Skull (Frontal bone)

Hemangioma has NO malignant potential. (T/F)

True

What are the two types of hemangioma?

Capillary

Caveronous

What is a capillary hemagioma?

Consists of fine capillary loops that spread outward in a sunburst fashion

How common is capillary hemangioma and what type of bone does it usually affect?

Uncommon and flat bones

What is cavernous hemagioma?

Consist of large, thin-walled blood vessels and sinuses line by endothelial cells = less bone laid down

What is MC affected with cavernous hemangioma?

Vertebrae and Skull

What are the name signs for cavernous hemangioma?

Courderoy Cloth - VB

Spoked wheel appearance - Skull