Abstract
Palliative embolization arteries or veins for a recurrent pelvic chondrosarcoma
Highlights
Chondrosarcomas are malignant bone tumors with pure hyaline cartilage differentiation, and behavior patterns that vary, ranging from slow-growing nonmetastasizing lesions to aggressive metastasizing sarcomas [1]
Pelvic chondrosarcomas have a low response to chemotherapy and radiotherapy [3, 4], they have been usually en-bloc resected by standard hemipelvectomy [5]
Few studies have focused on palliative treatments for recurrent chond rosarcomas and, to the best of our knowledge, there is no evidence of a similar case reported in the English literature
Summary
Chondrosarcomas are malignant bone tumors with pure hyaline cartilage differentiation, and behavior patterns that vary, ranging from slow-growing nonmetastasizing lesions to aggressive metastasizing sarcomas [1]. We hereby present the case of a patient with recurrent chondrosarcoma involving the pelvis, treated with palliative serial selective arterial embolizations, aiming to obtain good clinical results with regard to pain control, ambulation and time of survival. The medial circumflex femoral artery, the principal afferent artery of the smallest lesion, supplied a collateral circulation that contributed to the reperfusion of the previously embolized lateral circumflex arterial branches A new arteriographic study showed partial reperfusion of the circ les previously treated, and a further embolization of the medial and lateral circumflex femoral arteries was per-formed with 2 ml of embolizing microparticles (Contour — Boston Scientific mean diameter 150– 250 μm), obtaining a new total devascularization of the lesions. A new angiographic study showed a nearly complete reperfusion of all femoral arterial branches afferent to the lesions The patient died of disease 3 years after the onset of local recurrences; during this time period, he was pain free and ambulatory
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