Silicone Granuloma: a Cause of Cervical Lymphadenopathy Following Breast Implantation Amarkumar Dhirajlal Rajgor ,1,2 Youssef Mentias,2 Francis Stafford2
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Case report BMJ Case Rep: first published as 10.1136/bcr-2020-239395 on 3 March 2021. Downloaded from Silicone granuloma: a cause of cervical lymphadenopathy following breast implantation Amarkumar Dhirajlal Rajgor ,1,2 Youssef Mentias,2 Francis Stafford2 1Population Health Sciences SUMMARY painless lumps had been progressively enlarging Institute, Newcastle University, We report a case of a 54-year -old woman with saline- over a 2- week period. She had also been having Newcastle upon Tyne, UK based breast implants who presented to the ear, nose episodes of night sweats but she felt these were 2Otolaryngology & Radiology and throat neck lump clinic with a 2- week history of related to her menopause. She had not noticed Department, Sunderland Royal bilateral neck lumps. She was found to have multiple any other lumps around her body. She denied any Hospital, Sunderland, UK palpable cervical lymph nodes bilaterally in levels IV weight loss and had no head and neck red flag Correspondence to and Vb. The ultrasonography demonstrated multiple symptoms or B- type symptoms. Additionally, she Amarkumar Dhirajlal Rajgor; lymph nodes with the snowstorm sign and a core had no recent viral illness. amar. rajgor@ newcastle. ac. uk biopsy confirmed a silicone granuloma (siliconoma). Thirteen years prior to presentation, she had This granuloma was likely caused by bleeding gel from bilateral breast augmentation with silicone- based Accepted 11 February 2021 the silicone shell of her saline-based implants. This case implants. Three years following insertion, her sili- demonstrates the importance of bleeding gel from saline- cone implants were recalled by the manufacturer based implants, in the absence of implant rupture. Thus, and were replaced with saline-based implants. On head and neck specialists should consider siliconomas removal, there was no evidence of implant rupture as a cause for cervical lymphadenopathy in patients with or leakage. She had no other relevant medical saline-based breast implants. history. She was a non-smoker and consumed five units of alcohol per week. On examination, she had multiple bilateral BACKGROUND palpable lymph nodes in levels IV and Vb, more Cervical lymphadenopathy can be caused by an prominent on the left. A flexible nasoendoscopy array of different pathologies. These can be catego- and oral cavity examination were unremarkable. rised into either benign (eg, systemic lupus erythe- At this stage, the differential diagnosis included matosus, Epstein- Barr virus, toxoplasmosis) or lymphoma, head and neck cancer, metastases and malignant (eg, lymphoma, metastatic disease).1 A reactive lymphadenopathy secondary to infection. comprehensive history and examination is essential http://casereports.bmj.com/ in elucidating the most likely diagnoses. Addition- INVESTIGATIONS ally, in high- risk patients, it is crucial to undertake The patient subsequently underwent various blood appropriate investigations to rule out more sinister tests including a Toxoplasma gondii and Cytomeg- pathology such as head and neck cancers. alovirus screen. These were conducted since these Breast implants are frequently used in both two opportunistic infections often have mild clin- aesthetic and reconstructive breast surgery. They ical courses and are associated with generalised are composed of silicone shells filled with saline or silicone gel.2 Numerous studies have examined the safety of such implants and demonstrated the potential for ruptures, malignancies and inflamma- on September 29, 2021 by guest. Protected copyright. tory reactions.3 4 Silicone-associated lymphadenop- athy occurs following migration of silicone particles to regional lymph nodes. This can be a consequence of implant rupture, or when microscopic amounts of silicone gel leak from the outer shell (known as ‘gel bleed’). The majority of cases result in axillary or mediastinal lymphadenopathy. There are very few reported cases of silicone associated cervical lymphadenopathy.5 6 This case report both adds to the limited litera- © BMJ Publishing Group Limited 2021. Re- use ture and emphasises the importance of considering permitted under CC BY- NC. No silicone granulomas as a potential cause for cervical commercial re-use . See rights lymphadenopathy in patients with saline- based and permissions. Published breast implants. Figure 1 Ultrasonography of affected lymph nodes by BMJ. demonstrating the snowstorm sign ultrasonography demonstrating multiple enlarged lymph nodes with a To cite: Rajgor AD, Mentias Y, Stafford F. BMJ CASE PRESENTATION heterogeneous echogenic pattern and dispersion of the Case Rep 2021;14:e239395. A- 54- year old woman presented to the outpatient ultrasound beam causing posterior acoustic shadowing doi:10.1136/bcr-2020- ear, nose and throat neck lump clinic with a 2-week (snowstorm sign). Features indicative of a silicone 239395 history of multiple bilateral neck lumps. These granuloma. Rajgor AD, et al. BMJ Case Rep 2021;14:e239395. doi:10.1136/bcr-2020-239395 1 Case report BMJ Case Rep: first published as 10.1136/bcr-2020-239395 on 3 March 2021. Downloaded from With regard to the enlarged lymph nodes, the dilemma lies in whether to opt for excision or monitor. This is a decision that should be made alongside the patient highlighting the benefits and risks of removal. In this case, as the lymphadenopathy was not causing any issues (eg, compressive symptoms, recurrent lymphadenitis/infections) no further treatment from the otolar- yngologist was required. Figure 2 Photomicrograph of the silicone granuloma (A) Overall this case report demonstrates a rare presentation of Photomicrograph (magnification ×30, H&E stain) demonstrating cervical lymphadenopathy caused by silicone gel bleeding from numerous empty vacuoles and multinucleate giant cells. The empty saline- based breast implants. This is an entity all healthcare vacuoles previously contained silicone, which has been dissolved during professionals should consider when patients with breast implants preparation of the specimen. (B) Photomicrograph (magnification ×30) present with regional lymphadenopathy. confirms the specimen is CD68 positive, a marker of macrophages. Learning points 7 lymphadenopathy. Both these screens were negative for an ► Otolaryngologists should remember the importance of acute infection. bleeding gel from the silicone shell of saline- based breast The crucial investigation in this case was an ultrasonography implants as a cause of cervical lymphadenopathy. guided biopsy of the lymph node. The ultrasonography (figure 1) ► If a silicone granuloma in the neck is identified, consider demonstrated multiple mildly enlarged lymph nodes in levels IV imaging of the breast implant to ensure integrity. and Vb bilaterally with the largest measuring up to 1.5 cm. There ► The importance of taking a comprehensive history to identify was a heterogeneous echogenic pattern with dispersion of the the differential diagnoses. ultrasound beam causing posterior acoustic shadowing (snow- storm sign). A CT scan of the neck also confirmed the presence of bilateral small volume lymphadenopathy. Contributors ADR was involved in the creation and revision of the manuscript and acquisition of all figures and consent from the patient.YM was involved in the The core biopsy (figure 2) revealed lymph node tissue with revision of the manuscript and interpretation of the radiological images. FS was macrophages containing large vacuoles, scattered lymphocytes involved in the creation and revision of the manuscript and was the designated and multinucleate giant cells. These findings were typical of a otolaryngology consultant in this case. silicone granuloma and the silicone had most likely dissolved Funding This study was funded by National Institute for Health Research (NIHR) UK from the vacuoles while preparing the specimen. (ACF-2018-01-007). Competing interests None declared. OUTCOME AND FOLLOW-UP Patient consent for publication Obtained. Following discussion at the multidisciplinary team meeting Provenance and peer review Not commissioned; externally peer reviewed. (including the plastic surgery team), it was concluded that Open access This is an open access article distributed in accordance with the http://casereports.bmj.com/ given saline-based implants are covered in a silicone shell, the Creative Commons Attribution Non Commercial (CC BY- NC 4.0) license, which lymphadenopathy was likely a consequence of gel bleeding. permits others to distribute, remix, adapt, build upon this work non- commercially, and license their derivative works on different terms, provided the original work Subsequently, no further treatment was required. She currently is properly cited and the use is non- commercial. See: http:// creativecommons. org/ remains well and has been reassured that this is not a malignant licenses/ by- nc/ 4. 0/. cause. ORCID iD Amarkumar Dhirajlal Rajgor http:// orcid. org/ 0000- 0002- 9323- 3107 DISCUSSION Silicone- associated lymphadenopathy occurs following the depo- REFERENCES sition of silicone in lymph nodes. Silicone can enter surrounding 1 Bromber ME. Assessment of lymphadenopathy. BMJ Best Practice 2020 https:// on September 29, 2021 by guest. Protected copyright. tissue following frank rupture of the implant or a ‘gel bleed’ from bestpractice. bmj. com/ best- practice/ monograph/ 1179. html 8 9 the outer silicone shell. These exposed silicone particles can 2 Bauer PR, Krajicek BJ, Daniels CE, et al. Silicone breast implant- induced subsequently migrate to regional lymph nodes