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. 2021 Sep 20;4(9):e2125381. doi: 10.1001/jamanetworkopen.2021.25381

Table 1. Overview of Results of Silicone Presence Inside and Outside the Capsule, Including Lymph Nodes, and Presence of ALCL.

Characteristic No. (%) (Nā€‰=ā€‰389)
Resected capsules 365 (93.8)
Only lymph nodes examined 24 (6.2)
Silicones in tissues surrounding the capsule or in lymph nodesa 337 (86.6)
Silicones inside capsule only 47 (12.1)
No silicones detected 5 (1.3)
Cohesive silicone gel breast implantsb 46 (11.8)
Silicones outside capsule 38 (82.6)
Silicones inside capsule only 6 (13.0)
No silicones detected 2 (4.3)
Lymph nodes examined 10 (21.7)
Silicones in lymph nodes 10 (100)
Noncohesive silicone gel or unknown type of breast implants 343 (88.2)
Silicones outside capsule or in lymph nodes 299 (87.2)
Silicones inside capsule only 41 (12.0)
No silicones detected 3 (0.9)
Lymph nodes examineda 31 (9.0)
Silicones in lymph nodes 30 (96.8)
No silicones in lymph nodes 1 (3.2)
ALCL 6 (1.5)
Silicones outside capsule 1 (16.7)

Abbreviation: ALCL, anaplastic large cell lymphoma.

a

Including 24 women with only lymph nodes examined.

b

Including 31 women with confirmed clinical data for cohesive gel breast implant, with 15 cohesive gel implants determined based on age and year of histological report.