NGHIÊN CỨU ĐẶC ĐIỂM TỔN THƯƠNG XƯƠNG TRÊN KẾT QUẢ XẠ HÌNH Ở BỆNH NHÂN UNG THƯ PHỔI KHÔNG TẾ BÀO NHỎ GIAI ĐOẠN IIB – IVB TẠI BỆNH VIỆN UNG BƯỚU THÀNH PHỐ CẦN THƠ NĂM 2020 – 2021

Abstract

Background: Non-small cell lung cancer (NSCLC) is the most common cancer and has a high rate of bone metastases. Early detection of bone metastases is important in treatment and improves the quality of life for. Currently, there have been many studies on the value of bone scan in early detection of bone metastases, but this issue has not been fully evaluated.

Methods: Cross-sectional description of a series of diseases, retrospective data on 151 patients with stage IIB - IVB non-small cell lung cancer, examined by bone scan with Tc-99m MDP (Methylene diphosphonate)  before specialized treatment during the period from January 2020 to December 2021 at Can Tho City Oncology Hospital.

Results: The incidence of men and women were 62,9% and 37,1%. The mean age is 60, the youngest is 35 and the oldest is 83. There are 56 patients (37,1%) with bone lesions on the scan. There are 47 lesions (83,9%) could be known as bone metastases: 46 cases are at stage IV and the other is at stage IIIB. The most common sites of lesions are from the ribs and sternum. Others are from thoracic spine, the sacrum and the coccyx. The bone lesions from the clavicle and upper extremities are rare. Most of bone lesions are multifocal, asymmetrical, and strongly radioabsorbed.

Conclusion: Bone lesions in stage IIB – IVB non-small cell lung cancer have a high incidence of bone metastases. Therefore, the application of bone scan as a routine subclinical in the initial diagnosis of NSCLC before treatment is essential in order to make an accurate prognosis and to have a reasonable treatment strategy.