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ECR 2019 / C-0408
Percutaneous image-guided palliative cryoablation of bone metastases
Congress: ECR 2019
Poster No.: C-0408
Type: Scientific Exhibit
Keywords: Oncology, Interventional non-vascular, Musculoskeletal bone, Percutaneous, CT, Ablation procedures
Authors: I. A. Burovik, G. Prokhorov, A. V. Mishchenko; Saint Petersburg/RU
DOI:10.26044/ecr2019/C-0408

Results

•Duration of hospitalization: 1 day

•Decrease in the index of the pain syndrome according to the McGill scale from the first day after the procedure (11 patients - partial pain relief, 6 patients - complete pain relief)

 

•Complications:

–slight disruption of sensation and a decrease in muscle strength in the peripheral regions in patient with tumor involving  the sacral plexus

 

•0,5-1-year monitoring:

–10 patients- no local progression 

–7 patient - local progression -> second procedure

 

Case 1.

•♀, 63 y.o.

•Ovarian cancer T3N0M1 (oss) 

 

Fig. 3: Metastasis in sacrum of ovarian cancer
References: Radiology Department, N.N. Petrov National Medical Research Center of Oncology - Saint Petersburg/RU

 

Fig. 4: Procedure of cryoablation. Two cryoprobes and one needle microthermocouple. Temperature control on the screen of cryotherapy system
References: Radiology Department, N.N. Petrov National Medical Research Center of Oncology - Saint Petersburg/RU

 

Fig. 5: MRI scans before (a) and in 6 months after cryoablation (b). On postoperative study (b) cystic cavity in the zone of the lesion with slight enhancement of the walls can be seen
References: Radiology Department, N.N. Petrov National Medical Research Center of Oncology - Saint Petersburg/RU

While control biopsy in 6 months after procedure tumor cells were not detected.

 

Case 2.

•       ♂, 62 y.o. 

•       Lung cancer T2N1M1 (oss)

  

Fig. 6: Metastasis in the rib of lung cancer
References: Radiology Department, N.N. Petrov National Medical Research Center of Oncology - Saint Petersburg/RU

  

Fig. 7: Probe positioning while cryoablation
References: Radiology Department, N.N. Petrov National Medical Research Center of Oncology - Saint Petersburg/RU

  

Fig. 8: Matastasis in the rib of lung cancer: before treatment (a) and in 8 months after cryoablation (b)
References: Radiology Department, N.N. Petrov National Medical Research Center of Oncology - Saint Petersburg/RU

 

In 8 months after cryoablation no local progression was determined. 

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