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Journal of Peking University (Health Sciences) ›› 2020, Vol. 52 ›› Issue (4): 785-789. doi: 10.19723/j.issn.1671-167X.2020.04.034

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  • Received:2020-04-08 Online:2020-08-18 Published:2020-08-06

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  • R737.11

Figure 1

Homemade adjustable multi-channel Trocar"

Figure 2

Microwave ablation of renal tumor under real-time guidance of laparoscopic ultrasound"

Table 1

Overview of the patients’ data"

Patient
No.		 Age/
years		 Gender Side/tumor
number		 Comorbidities ASA
grade		 Number of
ablation
punctures		 Ablation
time/min		 Operation
time/min		 EBL
/mL		 Drainage
time/d		 Histopathology Follow-up/
months		 Local
efficacy
1 49 F Left/1 Schizophrenia Ⅱ 4 21 130 30 3 Hamartoma 65 CR
2 74 M Right/1 Renal insufficiency, CHD,
hypertension, mild cerebral
infarction, bilateral knee arthritis		 Ⅳ 4 20 105 20 4 Clear cell carcinoma 42 CR
3 68 M Right/1 COPD, hypertension Ⅲ 3 17 80 10 2 Papillary cell carcinoma 61 CR
4 56 F Right/1 Hypertension,
postoperative colon cancer		 Ⅲ 4 21 95 20 2 Clear cell carcinoma 60 CR
5 61 F Left/1 CHD, DM, hypertension Ⅲ 4 20 90 15 3 Clear cell carcinoma 52 CR
6 64 M Left/2 Renal insufficiency, DM,
COPD, tracheotomy for
laryngeal carcinoma		 Ⅳ 7 32 120 20 2 Clear cell carcinoma 41 CR
7 72 M Left/1 Mild cerebral infarction,
hypertension		 Ⅲ 5 28 116 30 3 Clear cell carcinoma 37 CR
8 84 M Left/1 Renal insufficiency,
hypertension, CHD		 Ⅳ 5 26 95 40 3 Clear cell carcinoma 33 CR
9 53 M Left/2 Renal insufficiency, solitary
kidney, VHL disease causes
lung metastasis		 Ⅲ 5 23 115 20 3 Clear cell carcinoma 29 CR
10 63 F Left/1 Hypertension, drug-induced
hepatic cirrhosis,
hepatic insufficiency		 Ⅲ 6 27 110 15 4 Hamartoma 27 PR

Table 2

R.E.N.A.L. nephrometry score of the tumors"

Patient No. (R)Radius (E)Exophytic (N)Nearness (A)Anterior/
posterior/x△		 (L)Location
score		 Total score+
Suffix “h”*
Score Maximal
diameter/cm		 Score Exophytic
properties/%		 Score Nearness to the
renal pelvis/mm
1 2 4.2 2 10% 3 1 a 3 10ah
2 2 4.5 2 30% 3 2 x 3 10xh
3 1 3.7 2 20% 2 6 a 2 7a
4 2 4.2 2 10% 2 6 x 2 8x
5 2 4.1 1 70% 2 5 p 2 7p
6 (2 tumors) 2 & 1 4.1 & 1.5 2 & 3 15% & 0% 3 & 1 4 & 20 x & a 3 & 1 10x & 6a
7 2 5.2 2 40% 3 3 a 3 10ah
8 2 5.3 1 55% 3 1 x 1 7xh
9 (2 tumors) 1 & 1 2 & 1.5 2 & 2 30% & 10% 1 & 1 21 & 16 a & p 1 & 2 5a & 6p
10 2 4.5 3 0% 3 2 p 3 11p

Figure 3

Patient 1, hamartoma of left kidney A, enhanced CT before ablation shows the anterior hamartoma is adjacent to the vessel of renal hilum; B, enhanced CT shows heterogeneous necrosis in the tumor after six months of surgery, and the ablation boundary of hamartoma is clearly visible."

Figure 4

Patient 2, clear cell carcinoma of right kidney A, enhanced MRI before ablation shows the tumor is located in the center of right kidney, which is adjacent to the renal hilum; B, enhanced CT shows completely necrosis in the tumor after six months of ablation, and there is no local enhancement in the tumor."

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