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Updated: Jan 24, 2026

Implantation of Chronic Silicon Probes and Recording of Hippocampal Place Cells in an Enriched Treadmill Apparatus
Published on: October 11, 2017
Tereza Sokolova1, Jakub Sagat1, Lucia Hrnciarova1
1The Fingerland Department of Pathology, Faculty of Medicine in Hradec Kralove, University Hospital Hradec Kralove and Charles University, Hradec Kralove, Czech Republic.
Chronic silicone embolism from breast implants is rare but serious. This case highlights silicone migration to the lungs, causing inflammation that mimics cancer, and shows symptoms improve after implant removal.
Area of Science:
Background:
The global prevalence of breast augmentation and reconstructive procedures has led to a rise in implant-related complications that require clinical attention. Prior research has shown that silicone breast implants can undergo structural failure, leading to the leakage of filling material into surrounding tissues and the lymphatic system. The Poly Implant Prothèse scandal highlighted the severe risks associated with industrial-grade silicone, which exhibits a higher propensity for rupture compared to medical-grade alternatives. While acute silicone embolism syndrome is a recognized emergency, the long-term sequelae of chronic migration remain less characterized in clinical literature. Physicians often encounter diagnostic challenges when silicone particles travel to distant organs, potentially mimicking other systemic diseases or neoplastic processes. The migration of these particles can occur through various pathways, including direct tissue infiltration or hematogenous spread. This absence of evidence motivated the documentation of rare long-term pulmonary manifestations following bilateral implant failure.
Purpose Of The Study:
This case report characterizes the clinical presentation and histological features of chronic silicone migration into the pulmonary parenchyma following a rupture. The investigation seeks to clarify how silicone particles from ruptured implants trigger systemic inflammatory responses years after the initial injury. Researchers aimed to document the specific radiological and pathological findings that distinguish silicone-induced lesions from hematologic malignancies. The study evaluates the effectiveness of implant explantation as a primary intervention for resolving respiratory symptoms linked to silicone embolism. By detailing a decade-long progression, the report provides a timeline for the development of chronic respiratory complications in affected individuals. The objective includes increasing clinical awareness of implant-related pulmonary pathology among healthcare providers managing patients with a history of augmentation. Understanding these long-term risks is essential for improving patient outcomes and ensuring timely intervention when complications arise.
Main Methods:
Clinical evaluation focused on a 54-year-old female patient presenting with a history of bilateral silicone breast implant rupture that occurred ten years prior. Diagnostic imaging, including high-resolution computed tomography, was utilized to identify and map multiple pulmonary lesions within the lung tissue. Histological analysis of the pulmonary parenchyma was conducted to examine the cellular composition of the lesions and identify foreign material. Pathologists performed immunohistochemical staining to characterize the inflammatory infiltrate, specifically looking for T-lymphocytes and histiocytes within the affected areas. The surgical team executed a complete explantation of the compromised breast implants to remove the source of silicone leakage and prevent further migration. A three-year longitudinal follow-up monitored the spontaneous resolution of respiratory symptoms and changes in the patient's clinical status post-surgery. These methods allowed for a comprehensive assessment of the relationship between the ruptured implants and the subsequent pulmonary pathology.
Main Results:
Imaging revealed multiple pulmonary lesions that developed ten years after the initial bilateral implant rupture occurred in the patient. Histological examination of the lung tissue identified a florid chronic inflammatory reaction characterized by a high density of T-lymphocytes and histiocytes. The inflammatory response triggered by the silicone particles closely mimicked the morphological features of a hematologic malignancy, complicating the initial diagnosis. The patient reported occasional episodes of shortness of breath that persisted for approximately one year prior to the clinical diagnosis. Following the surgical removal of the breast implants, the patient's respiratory symptoms subsided spontaneously over a three-year observation period without further intervention. The findings confirmed that silicone particles had successfully migrated from the breast cavity into the pulmonary parenchyma and other anatomical sites. This migration resulted in a persistent foreign body reaction that manifested as symptomatic lung disease a decade after the implant failure.
Conclusions:
Chronic silicone embolism represents a significant, though rare, long-term complication for patients undergoing breast augmentation or reconstruction with silicone-filled devices. The potential for silicone particles to mimic hematologic malignancy necessitates careful histological differentiation in patients with a history of implant rupture. Surgical explantation of ruptured implants serves as an effective strategy for managing systemic symptoms and halting further silicone migration into vital organs. Long-term monitoring is essential for patients who have experienced implant failure, as pulmonary symptoms may not manifest for a decade or more. The spontaneous resolution of symptoms after explantation suggests that removing the primary source of silicone can mitigate the chronic inflammatory drive. Future clinical guidelines should incorporate silicone-related pulmonary pathology into the differential diagnosis for unexplained lung lesions in this specific patient population. These findings underscore the importance of patient education regarding the risks of implant rupture and the necessity of long-term follow-up.
In this study, silicone particles migrated into the pulmonary parenchyma, triggering a florid chronic inflammatory reaction. This response was rich in T-lymphocytes and histologically mimicked a hematologic malignancy, leading to occasional episodes of shortness of breath in the patient.
The researchers identified a chronic inflammatory infiltrate dominated by T-lymphocytes within the pulmonary lesions. This cellular reaction occurred approximately ten years after the bilateral implant rupture and persisted for a year before the patient sought medical evaluation for respiratory distress.
Explantation was performed to remove the source of silicone leakage and address the patient's pulmonary lesions. Following the removal of the ruptured implants, the patient's respiratory symptoms subsided spontaneously over a three-year follow-up period, confirming the effectiveness of the intervention.
The study highlights that silicone-induced inflammatory reactions in the lungs can histologically mimic hematologic malignancy. This similarity requires clinicians to carefully differentiate between foreign body responses to silicone particles and actual neoplastic processes in patients with a history of augmentation.
The authors state that awareness of implant-related pulmonary pathology is increasingly important due to the global rise in breast surgeries. They propose that clinicians should consider chronic silicone migration as a potential cause for unexplained pulmonary lesions, even a decade after an implant rupture.