Microtherapy Berlin

First surgery under full anesthesia in the open MRI

As a premiere, the first laser-guided ablation of a osteoid osteoma of the fibula was performed last week. The first patient could be treated successfully for osteoid osteoma of the fibula under full anesthesia in an open high-field MRI (Panorama HFO, 1.0 Tesla). The tumor lesion was localized, drilled and finally ablated by a laser fiber. Up until now such procedures were either performed as an open surgery or under CT or x-ray guidance with radio frequency ablation (RFA). Hence, ionizing radiation is applied. Now this procedure is possible in the open MRI without the usage of ionizing radiation, which is especially important for young patients.

The osteoid osteoma is a bengin tumor of the bone and occurs three times more frequently in men than in women at an age peak of 10-30 years of age. Morphologically, the tumor is a calcifiyng lesion of the long bones of the upper and lower limbs. These tumors are characterized by extreme pain with a preferred nocturnal incidence. Initially they can be successfully treated with Aspirin. The pain is directly caused by the highly vascularized tumor’s center (nidus). The tumor’s nidus is also responsible for the spindulous sclerotic growth stemming from the tumor.

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