1) Benign tumor 2) Benign tumour 3) Nonmalignant neoplasm 4) Nonmalignant tumor 5) Nonmalignant tumour 1) Chondrosteoma 
Osteochondromas or osteocartilaginous exostoses are the most common benign tumors of the bones. The tumors take the form of cartilage-capped bony projections or outgrowth on the surface of bones (exostoses). It is characterized as a type of overgrowth that can occur in any bone where cartilage forms bone. Tumors most commonly affect long bones in ...
solitary benign tumour that consists partly of cartilage and partly of bone. Osteochondromas are common and may develop spontaneously following ...
A benign tumor that contains both bone and cartilage and usually occurs near the end of a long bone 
<oncology, tumour> A benign cartilaginous neoplasm that consists of a pedicle of normal bone with a rim of proliferative cartilage cells, often occurs near the ends of long bones, multiple osteochondromas are inherited and referred to as hereditary multiple exostoses. ... (27 Sep 1997) ... 
(os″te-o-kon-dro´mә) a benign bone tumor consisting of projecting adult bone capped by cartilage.
Type: Term Pronunciation: os′tē-ō-kon-drō′mă Definitions: 1. A benign cartilaginous neoplasm that consists of a pedicle of normal bone (protruding from the cortex) covered with a rim of proliferating cartilage cells; may originate from any bone that is preformed in cartilage, but is most frequent near the ends of lon...
Osteochondroma: An abnormal, solitary, benign growth of bone and cartilage, typically at the end of a long bone. Osteochondromas are usually discovered in persons 15 to 25 years of age. They are typically detected when the area is injured, or when they become large. It can be a hereditary condition, in which case it may be called hereditary multipl...
[n] - benign tumor containing both bone and cartilage
A benign bone disease (not a cancer).
a noncancerous tumour made up of bone and cartilage 
noun benign tumor containing both bone and cartilage; usually occurs near the end of a long bone