[국내논문]두경부암 치료 후 국소재발 및 전이에 대한 18FFDG PET/CT와 CT/MRI의 정확도 비교 Comparison of 18FFDG PET/CT and CT/MRI for the Diagnosis of Recurrent or Metastatic Disease after Treatment: In Head and Neck Cancer Patients
목적: 두경부암 치료 후 병변의 재발 유무 및 전이의 평가에서 18FFDG PET/CT와 CT/MRI의 진단적 정확성을 비교하고자 한다. 대상과 방법: 두경부암으로 진단받고 수술 혹은 방사선 치료 후 18FFDG PET/CT와 CT/MRI를 시행한 34명의 환자를 대상으로 비교하였으며, 모든 결과에 대하여 조직검사 또는 임상적으로 확진 한 후, 각 방법의 민감도, 특이도를 측정하고, 추적 기간 및 치료 방법의 차이를 구분하여 비교하였다. 결과: 18FFDG PET/CT에서 섭취 증가를 보이는 19예의 병변 중 1예를 제외하고 모두 재발성 혹은 전이성 병변으로 확인되었으나, CT/MRI에서 병변을 확인할 수 없는 예는 4예였다. 1예는 두 검사방법에서 재발성 병변으로 보였으나, 조직학적으로 섬유화 병변으로 밝혀졌다. 18FFDG PET/CT의 민감도, 특이도는 각각 100%, 94.4%였으며, CT/MRI는 각각 77.8%, 94.4%이었다(p < 0.05). 추적기간에 따른 차이는 두 검사방법에서 통계적 유의성이 없었으나, 치료방법에 따른 차이에서 방사선치료를 받은 경우 18FFDG PET/CT의 민감도는 100%, CT/MRI는 63.6%로 18FFDG PET/CT가 CT/MRI보다 민감도가 우수하였으며 통계적으로 유의한 차이를 보였다(p < 0.05). 결론: 18FFDG PET/CT는 두경부암 환자의 치료 후 평가에서 상대적으로 높은 민감도를 보이며, 특히 방사선 치료를 받은 환자에 있어 재발 또는 전이 여부를 평가함에 있어 유용한 선별검사로 여겨진다.
목적: 두경부암 치료 후 병변의 재발 유무 및 전이의 평가에서 18FFDG PET/CT와 CT/MRI의 진단적 정확성을 비교하고자 한다. 대상과 방법: 두경부암으로 진단받고 수술 혹은 방사선 치료 후 18FFDG PET/CT와 CT/MRI를 시행한 34명의 환자를 대상으로 비교하였으며, 모든 결과에 대하여 조직검사 또는 임상적으로 확진 한 후, 각 방법의 민감도, 특이도를 측정하고, 추적 기간 및 치료 방법의 차이를 구분하여 비교하였다. 결과: 18FFDG PET/CT에서 섭취 증가를 보이는 19예의 병변 중 1예를 제외하고 모두 재발성 혹은 전이성 병변으로 확인되었으나, CT/MRI에서 병변을 확인할 수 없는 예는 4예였다. 1예는 두 검사방법에서 재발성 병변으로 보였으나, 조직학적으로 섬유화 병변으로 밝혀졌다. 18FFDG PET/CT의 민감도, 특이도는 각각 100%, 94.4%였으며, CT/MRI는 각각 77.8%, 94.4%이었다(p < 0.05). 추적기간에 따른 차이는 두 검사방법에서 통계적 유의성이 없었으나, 치료방법에 따른 차이에서 방사선치료를 받은 경우 18FFDG PET/CT의 민감도는 100%, CT/MRI는 63.6%로 18FFDG PET/CT가 CT/MRI보다 민감도가 우수하였으며 통계적으로 유의한 차이를 보였다(p < 0.05). 결론: 18FFDG PET/CT는 두경부암 환자의 치료 후 평가에서 상대적으로 높은 민감도를 보이며, 특히 방사선 치료를 받은 환자에 있어 재발 또는 전이 여부를 평가함에 있어 유용한 선별검사로 여겨진다.
Purpose: We evaluated the accuracy of 18FFDG PET/CT for the detection of recurrence or metastasis after treatment in patients with primary head and neck cancer, and compared the results with those of CT/MRI. Materials and Methods: We studied 34 patients with the diagnosis of head and neck cancer, wh...
Purpose: We evaluated the accuracy of 18FFDG PET/CT for the detection of recurrence or metastasis after treatment in patients with primary head and neck cancer, and compared the results with those of CT/MRI. Materials and Methods: We studied 34 patients with the diagnosis of head and neck cancer, who underwent treatment and follow up with 18FFDG PET/CT and CT/MRI. The patients were divided into two subgroups based on the difference in follow-up time interval and the type of treatment. Accuracy was evaluated by follow-up information and histopathology findings. The results of the 18FFDG PET/CT and CT/MRI were compared by statistical analysis. Results: For the 18FFDG PET/CT results, 19 FDG uptake lesions were detected in 17 patients. Among these lesions, 18 were confirmed as recurrent or metastatic lesions and one as an inflammatory reaction from radiation therapy. Four lesions that had high FDG uptake were not detected by the CT/MRI. The sensitivity and specificity were 100% and 94.4% for the 18FFDG PET/CT and 77.8% and 94.4% for the CT/MRI (p<0.05). For the subgroup that received radiation therapy, 18FFDG PET/CT was more sensitive than CT/MRI (sensitivity = 100% vs. 63.6%, p<0.05). Conclusion: The results of this study showed that 18FFDG PET/CT was a useful screening modality for detecting recurrent or metastatic disease after treatment of patients with head and neck cancer, especially post-radiation.
Purpose: We evaluated the accuracy of 18FFDG PET/CT for the detection of recurrence or metastasis after treatment in patients with primary head and neck cancer, and compared the results with those of CT/MRI. Materials and Methods: We studied 34 patients with the diagnosis of head and neck cancer, who underwent treatment and follow up with 18FFDG PET/CT and CT/MRI. The patients were divided into two subgroups based on the difference in follow-up time interval and the type of treatment. Accuracy was evaluated by follow-up information and histopathology findings. The results of the 18FFDG PET/CT and CT/MRI were compared by statistical analysis. Results: For the 18FFDG PET/CT results, 19 FDG uptake lesions were detected in 17 patients. Among these lesions, 18 were confirmed as recurrent or metastatic lesions and one as an inflammatory reaction from radiation therapy. Four lesions that had high FDG uptake were not detected by the CT/MRI. The sensitivity and specificity were 100% and 94.4% for the 18FFDG PET/CT and 77.8% and 94.4% for the CT/MRI (p<0.05). For the subgroup that received radiation therapy, 18FFDG PET/CT was more sensitive than CT/MRI (sensitivity = 100% vs. 63.6%, p<0.05). Conclusion: The results of this study showed that 18FFDG PET/CT was a useful screening modality for detecting recurrent or metastatic disease after treatment of patients with head and neck cancer, especially post-radiation.
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