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Unilateral spontaneous rupture of a testicular implant thirteen years after bilateral insertion: a case report
© Floyd et al; licensee BioMed Central Ltd. 2010
Received: 19 January 2010
Accepted: 26 October 2010
Published: 26 October 2010
We describe a case of spontaneous, non traumatic rupture of a single artificial testis in a patient who had undergone bilateral, staged radical orchidectomy followed by prosthesis insertion. The consequences and radiological appearances of implant rupture are discussed. We believe it is the longest time interval recorded between prosthesis insertion and rupture.
A 50 year old Caucasian man presented to our outpatient department with an altered consistency in his right testicular prosthesis without any systemic symptoms or local inflammation. His left testicular prosthesis had retained its consistency since insertion.
The majority of cases reported to date have required exploration due to symptoms but we describe a case that was managed conservatively.
Prosthesis insertion is commonplace following radical orchidectomy as it provides patients with a cosmetically normal scrotum. The first case of a prosthetic testis was described in 1941 by Girdansky and Newman using a Vitallium implant . Puranik in 1973  in the paediatric population and Lattimer in 1973  in adults are credited with introducing a silicone gel filled implant that resembled a naturally feeling testis. Implants consist of an outer silicone elastomer which envelops a transparent gel. Complications with breast implants have been well documented and include pain, deformity and autoimmune phenomenon. Following concerns over silicone breast implants the American Urological Association in 1992 advised against the use of silicone gel testicular implants and advocated the use of silicone elastomer prostheses instead .
Specific to urological use implants can extrude by shedding of the outer elastomer shell or via direct leakage of the gel. Other complications include scrotal contraction, migration into the inguinal canal, infection, pain, and rarely haematoma . Immune complications such as human adjuvant disease have also been documented . However, unlike breast implants testicular prostheses enjoy an environment that allows greater mobility, less friction, decreased vascularity and a more favourable temperature.
A 50 year old man presented to our outpatient department with a three month history of an altered consistency in his right testicular prosthesis. There was no history of trauma, pain or systemic upset. Scrotal examination revealed a palpable left testicular prosthesis and an irregular soft mass was noted in right hemiscrotum. The overlying skin was normal and no regional adenopathy was evident.
His past history was remarkable for a right testicular teratoma seventeen years earlier treated by radical orchidectomy and adjuvant chemotherapy (Belomycin, Etoposide and Carboplatin). Twelve months following this he underwent retroperitoneal lymph node dissection for residual adenopathy. Four years later he represented with a second testicular tumour in his left testis which was treated with radical orchidectomy. Histology revealed malignant teratoma which was again treated with adjuvant chemotherapy. Following his second radical orchidectomy he opted for bilateral testicular prosthesis insertion in 1996 with concomitant testosterone replacement therapy. Follow up since insertion had been unremarkable.
Rupture remains an infrequent occurrence . It is accepted that the longer the time interval between initial native testis removal and placement of a prosthesis the greater the incidence of complication . John et al have previously documented a twelve year interval between placement and rupture in a patient who required exploration and prosthesis removal . In this case the patient had noticed no difficulties with his bilateral implants up to thirteen years post insertion. Hage et al in 1999 described cases of unilateral testicular implant rupture in a selected series of patients who had undergone transgender surgery with concomitant neoscrotal formation and bilateral implants. All of these patients had a history of trauma or suspected intraoperative puncture and all underwent exploration of the affected area .
Although we describe a unilateral rupture in a patient who had two prosthetic testes our case differs as implantation had occurred following orchidectomy for neoplasia. Additionally, our patient displayed no signs of locoregional disease and there was no history of trauma. Finally, we opted to manage this spontaneous rupture conservatively thus avoiding exploration thirteen years after insertion.
Written consent was obtained from the patient for publication of this case report and accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
The patient who kindly gave his consent for this publication.
No funding was made available for this work.
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