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MSK - Neoplasms: Benign and Malignant

Terms in this set (47)

What are the red flag signs for soft tissue lumps and bumps?
-painful, soft mass seems to be attached to bone
-large mass that grows
-pain at night/when resting
What are the benign connective/soft tissue neoplasms?
-lipoma
-heterotopic ossification
What are the most common benign connective/soft tissue neoplasms that occur just beneath the skin (subcutaneous) as a soft, painless lump that grows slowly over a period of months to years that are rubbery and mobile-feeling?
lipoma
Where are lipomas commonly found?
-males > females
-back
-shoulder
-neck
What is the treatment for a lipoma?
-biopsy prior to resection
-leave it alone
What is a benign connective/soft tissue neoplasm that is bone that forms outside of the bone/joint in muscle/soft tissue that limits range of motion/function, is painful, hard to treat, and is common after trauma, near the hip and elbow?
heterotopic ossification (aka H.O.)
What is the treatment for heterotopic ossification (aka H.O.)?
-NSAIDs
-bisphosphonates
What are the benign bone lesions/neoplasms?
-non-ossifying fibroma (NOF)
-osteoid osteoma
-osteochondroma
-enchondroma
-unicameral/simple bone cyst (UBC/SBC)
-aneurysmal bone cyst (ABC)
-giant cell bone cyst
What is the most common benign bone tumor in children < age 20, most often found in the legs and often associated with a trauma/fracture?
non-ossifying fibroma (NOF)
What the the treatment for non-ossifying fibroma (NOF)?
-do NOT metastasize
-so none if asymptomatic
What is the most common benign bone tumor in adults often in their 20s (males ages 5-25) that is usually found in the long bones and most often the femoral neck with NO growth/mestasteses?
osteoid osteoma
What is the treatment for dull aching pain for a single lesion of osteoid osteoma?
NSAIDs
What are 2 types of benign tumors that can undergo malignant transformation and give rise to a malignant chondrosarcoma?
-osteochondroma
-enchondroma
What is a benign outward growth of cartilaginous tissue (exostosis) that grows away from the joint of origin (like a beak) that are incidental findings often found on leg bones, pelvis, and shoulder and that CAN transform into a malignant chondrosarcoma?
osteochondroma
What is a benign tumor that begins in the cartilage inside the bone that are incidental findings often on the hand or long bones and that CAN transform into a malignant chondrosarcoma?
enchondroma
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