Two cases of benign chondral tumors of the talar neck region (an osteoid osteoma and a chondroblastoma) were described. Because of their specific, unusual site they could be resected by arthroscopy. The imaging aspects, incidence in foot bones and possibilities of treatment were discussed, and a literature review is presented.

AIM To assess the results of surgical treatment in aneurysmal bone cysts. MATERIALS AND METHODS 31 patients with aneurysmal bone cysts underwent surgical treatment in our department. In almost half of cases, the lesion was located in the femur. In 12 cases, a pathological bone fracture was the first clinical sign. The treatment consisted in curettage, abrasion of the cavity inner walls using ...

Osteocalcin is one of the most abundant noncollagenous proteins found in adult bone. It is a highly conserved gamma-carboxyglutamic acid-containing protein that is believed to be produced exclusively by osteoblasts. In this study, intracellular and extracellular localization of osteocalcin in osteosarcoma was examined with anti-osteocalcin antibody and in situ hybridization using a synthetic ol...

Chondrosarcoma (CHS) is a rare oncopathology, the third most common primary bone tumor after multiple myeloma and osteosarcoma. It accounts for about 25 % of total number sarcomas. CHS mainly affects adults occurs more often in people older than 40 years, children adolescents it less 5 all cases CHS. The sites can be any containing cartilage, but this found pelvis, femur shoulder bones, ribs. a...