parosteal
/ˌpærɒsˈtiːl/Definitions
1. adjective
relating to or occurring near a bone, especially in reference to a tumor or other growth
“The parosteal osteoma formed a hard lump on the patient’s elbow.”
2. noun
a parosteal tumor or growth, especially one that occurs on the bone surface
“The doctor examined the parosteal osteoma on the patient’s x-ray image.”