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Table 1 Demographic and tumor characteristics (N = 168)

From: The success rate of small renal mass core needle biopsy and its impact on lowering benign resection rate

Characteristics

Sub-categories

No. (%)

Age (yrs)

Mean = 63.4 yrs

Range (28, 87)

Gender

Male

103

(61.7)

 

Female

65

(38.3)

Laterality

Left

82

(49.1)

 

Right

85

(50.9)

Tumor Size (Imaging)

1–2 cm

45

(26.9)

 

2.1-4 cm

123

(73.1)

Internal structure

Solid

90

(53.3)

 

Solid cystic

9

(5.4)

 

Unknown

69

(41.3)

Enhancement

Enhancing

98

(57.5)

 

Non-enhancing

4

(2.4)

 

Unknown

66

(39.6)

Modality

US-guided

48

(28.6)

 

CT-guided

119

(70.8)

 

US + CT

1

(0.6)

Number of Cores

1–2

47

(28.1)

 

3–4

93

(55.1)

 

5–6

22

(13.2)

 

7 and more

5

(3.0)

Side effect

Hemorrhage

5

(3.0)

 

Tumor Seeding

0

(0.0)

 

Severe pain

3

(1.8)

 

Infection

1

(0.6)

 

Hematuria

3

(1.8)

Treatment

Surgery

63

(37.5)

 

Ablation

41

(24.4)

 

Surveillance

50

(29.8)

 

Chemotherapy

2

(1.2)

 

No follow up

12

(7.1)