What are secondary bone tumors?

➢ The most used diagnostic procedure is a trucut biopsy; Less often a surgical biopsy will be done for diagnosis ➢ Indications : o When there is a strong clinical suspicion of bone metastasis (known carcinoma, multiple bone lesions) o In the context of a pathological fracture, a sample for histological confirmation can be performed during the therapeutic surgical procedure The biopsy allows: ➢ The Histological diagnosis of the tumor (ex: adenocarcinoma) with quite often, but not in all cases, orientation towards a primitive (ex: breast origin? Pulmonary? Prostatic?…) ➢ Possible identification of therapeutic targets. (meta of breast AK [HR/HER], primary pulmo meta [EGFR mutations...]