In a retrospective study including 100 patients, 9 patients had metastases in the liver, pancreas, or contralateral kidney detected only in the arterial phase, and these findings led to a change in management for 2 patients [31]. For patients in whom contrast is contraindicated (eg, previous anaphylactic reaction), CT of the abdomen without IV contrast may be considered appropriate. CT Abdomen and Pelvis CT of the abdomen is the most commonly used method for surveillance after surgical excision of RCC [29]. CT is a sensitive method for the detection of recurrences in the resection bed and in other more common sites of metastases in the abdomen, such as the contralateral kidney, adrenal glands, liver, and lymph nodes, and in the visualized bones [16,17,20,22,30]. Although several studies have advised against routine imaging of the abdomen after resection of 6 Post-treatment Follow-up of Renal Cell Carcinoma low-risk (T1) tumors because of the low frequency of abdominal recurrences [15,17,21,30], CT of the abdomen is commonly performed in this group, particularly after PN, to serve as a baseline for future comparisons and to evaluate postoperative complications [9]. Although CT of the abdomen performed without and with IV contrast may be considered beneficial in cases in which postoperative changes need to be distinguished from residual or recurrent tumors, in general, surveillance protocols in oncology often use a single-phase examination in the portal- venous phase. Because RCC metastases tend to be hypervascular, some authors have also suggested that arterial phase imaging can be used to complement portal-venous imaging for the detection of RCC metastases to the liver, pancreas, and contralateral kidney. In a retrospective study including 100 patients, 9 patients had metastases in the liver, pancreas, or contralateral kidney detected only in the arterial phase, and these findings led to a change in management for 2 patients [31].
Post Treatment Follow up and Active Surveillance of Renal Cell Carcinoma. In a retrospective study including 100 patients, 9 patients had metastases in the liver, pancreas, or contralateral kidney detected only in the arterial phase, and these findings led to a change in management for 2 patients [31]. For patients in whom contrast is contraindicated (eg, previous anaphylactic reaction), CT of the abdomen without IV contrast may be considered appropriate. CT Abdomen and Pelvis CT of the abdomen is the most commonly used method for surveillance after surgical excision of RCC [29]. CT is a sensitive method for the detection of recurrences in the resection bed and in other more common sites of metastases in the abdomen, such as the contralateral kidney, adrenal glands, liver, and lymph nodes, and in the visualized bones [16,17,20,22,30]. Although several studies have advised against routine imaging of the abdomen after resection of 6 Post-treatment Follow-up of Renal Cell Carcinoma low-risk (T1) tumors because of the low frequency of abdominal recurrences [15,17,21,30], CT of the abdomen is commonly performed in this group, particularly after PN, to serve as a baseline for future comparisons and to evaluate postoperative complications [9]. Although CT of the abdomen performed without and with IV contrast may be considered beneficial in cases in which postoperative changes need to be distinguished from residual or recurrent tumors, in general, surveillance protocols in oncology often use a single-phase examination in the portal- venous phase. Because RCC metastases tend to be hypervascular, some authors have also suggested that arterial phase imaging can be used to complement portal-venous imaging for the detection of RCC metastases to the liver, pancreas, and contralateral kidney. In a retrospective study including 100 patients, 9 patients had metastases in the liver, pancreas, or contralateral kidney detected only in the arterial phase, and these findings led to a change in management for 2 patients [31].