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Successful treatment with cryoablation in a patient with bone metastasis in the mid-shaft femur: a case report

Authors Kita K, Nakamura T, Yamanaka T, Yoshida K, Hagi T, Asanuma K, Nakatsuka A, Sudo A

Received 22 November 2018

Accepted for publication 21 February 2019

Published 17 April 2019 Volume 2019:12 Pages 2949—2953


Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Cristina Weinberg

Peer reviewer comments 3

Editor who approved publication: Dr Federico Perche

Kouji Kita,1 Tomoki Nakamura,1 Takashi Yamanaka,2 Keisuke Yoshida,1 Tomohito Hagi,1 Kunihiro Asanuma,1 Atsuhiro Nakatsuka,2 Akihiro Sudo1

1Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, Japan; 2Department of Radiology, Mie University Graduate School of Medicine, Tsu, Japan

Background: Treatment of metastatic bone tumors is challenging due to the morbidity associated with patients with metastasis. The present case report described a patient with successful treatment of bone metastasis using cryoablation with plate and cementation to prevent fracture for bone metastasis of leiomyosarcoma in the mid-shaft of the femur.
Case report: The metastatic tumor was located at intramedullary lesion of the femur. At first, cryoablation was performed under local anesthesia. After one week after cryoablation, curettage and fixation with plate and cementation were performed to prevent fracture. Tumor cells were not observed in the histopathological findings of the curettage tissue. Four years after cryoablation, there was no recurrence and the patient could walk without any support.
Conclusion: We suggest that a tumor with limited cancellous bone and of a small size may undergo cryoablation. The prevention of fracture after cryoablation should be considered.

Keywords: leiomyosarcoma, bone metastasis, cryoablation

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