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Penile and Scrotal Strangulation due to Metal Rings: Case Reports and a Review of the Literature.

1. Introduction

Penile ring strangulation as well as concomitant scrotal entrapment can present as a challenging urological emergency. Metal rings in theory increase penoscrotal engorgement during sexual activity. Detumescence may facilitate removal while nonremoval may lead to delayed detumescence, edema, and then the cycle of tissue injury with ischemia and necrosis [1]. Of these presentations, constricting ring injury may be more commonly associated with ring materials of plastic, Teflon, or rubber, which are more amenable to surgical removal. Some penile rings are composed of titanium/metallic alloy, of heavy density, and can withstand common management tactics [2]. Various techniques have been described for removing constricting devices including lubricants, coiled strings/gauze, needle aspiration, and cutting of the ring itself [2-5]. Here we report our approach to two cases of penile strangulation with different clinical presentations requiring surgical treatment.

2. Case Presentation

2.1. Case 1. A 43-year-old man with no significant medical or psychiatric history presented to our emergency room (ED) with a 24-hour history of strangulated penis. The patient had placed both his phallus and scrotum through a metallic ring for sexual enhancement and then was unable to remove the ring after intercourse. The ring measured 6 cm in diameter and it was 1 cm thick. The patient complained of lower abdominal pain and decreased sensation to his genitalia. On physical exam, the patient was found to have severe swelling of his penis and scrotum distal to the ring, which was placed at the base of these structures as seen in Figure 1. There remained approx. 1 cm of space between ring and edematous genitals, but no possibility of manual removal. No necrotic tissue could be appreciated.

Attempts by ED staff to remove the ring using lubrication and the finger ring-cutter were unsuccessful. Urology was then consulted, and the patient was taken to the Operating Room (OR) to receive general anesthesia to allow for more invasive removal options. Further attempts were made in the OR using an orthopedic pin cutter and gigli saw, which were limited. A handheld rotating electric saw was used and appeared to make progress; however, a high amount of heat was transmitted around the ring causing a first degree circumferential burn injury that could not be prevented despite use of irrigation during sawing to keep the ring cool. Industrial bolt cutters (Figure 2) were obtained from the maintenance department and were used to cut the ring at the 12 and 6 o'clock position, allowing for removal of the ring. Penile detumescence was achieved within the next hour, and the patient was discharged the following evening with oral antibiotics and pain control. One-week follow-up revealed that the patient had full recovery with good urinary and erectile function.

2.2. Case 2. A 74-year-old man presented to our ED with placement of a metal penoscrotal ring for over 48 hours. The patient had a history of multiple medical comorbidities including cirrhosis and diabetes mellitus. The patient was found by family and presented to the hospital in an obtunded state, with fevers, and an elevated white count. On physical exam, the patient was found to have ring placement at the base of his penis and scrotum. Severe swelling of the affected area was seen as shown in Figure 3(a). Due to the prolonged onset of presentation (>48 hours), necrosis of the scrotum could be seen as well, as demonstrated in Figure 3(b). The patient was taken emergently to the OR and had removal of the ring with the use of bolt cutters with cuts in two separate parts allowing for removal of the device (Figure 3(c)). Despite aggressive resuscitation in the intensive care unit, the patient continued to be in septic shock postoperatively and died due to his condition.

3. Discussion

Penile strangulation presents as a urologic emergency usually brought on by the patient for enhancement of sexual function. Presentation is often likely delayed due to embarrassment. Treatment requires prompt removal of the constricting device to allow for return of blood flow and relief of urinary obstruction. Early success with removal of the constricting ring will limit the ischemia time and subsequent sequelae of necrosis and loss of function, that is, erectile and urinary function.

A five-stage grading system was developed by Bhat et al. to also help characterize these injuries [4]. The spectrum of severity on the Bhat scale ranged from Grade I causing edema of the distal penis, to Grade V presenting with gangrene, necrosis, or complete amputation (Table 1). Approaches to removal of constricting devices have a wide range of options, which can depend on the device composition and size, as well as degree of edema/strangulation. There have been reports demonstrating use of needle aspiration, electric tools, saws, industrial bolt cutters, and assistance from firemen and maintenance staff (Table 2) [1, 2, 6-12].

Our case presentations demonstrate multiple tactics progressing from simple emergency room options to a variety of tools that required use in a controlled setting within the operating room. We suggest the involvement of other individuals such as orthopedic or trauma surgery, the maintenance department, or even emergency or fire personnel for their knowledge of tools foreign to most urologists. Mechanical methods of device removal should be preferred over electrical/thermal devices to reduce the possibility of burn injury as well as urethrocutaneous fistulas or urethral strictures [10]. The device should be cut in two places, ideally 180 degrees apart for easy removal. If electrical tools are required, then care must be taken to protect the underlying and adjacent tissue, as well as cool the device while cutting. Patients with extensive medical comorbidities and those at high risk for postoperative complications should be monitored appropriately and have adequate follow-up.

Our second case presentation demonstrates the possibility of death from penile strangulation due to concomitant sepsis and multiple medical comorbidities. To our knowledge, this is the second such reported incident. Morentin et al. initially presented death as a result of multiorgan failure due to septic shock in a patient with penile strangulation and multiple medical comorbidities from a plastic bottle for approximately two weeks [11].

4. Conclusion

Penile strangulation presents as a urological emergency, and if not managed in a timely fashion, it can lead to ischemic complications such as necrotic tissue or wounds or sexual and urinary dysfunction. Prolonged episodes in patients with multiple medical comorbidities can even result in death. Multiple methods of management have been presented in the literature. Tools unfamiliar to the surgeon and the assistance of other departments in an institution may be needed for prompt management and reduction of the strangulation. Mechanical methods of removal may be preferred to avoid any injury from thermal/electrical burns.

https://doi.org/10.1155/2018/5216826

Conflicts of Interest

The authors declare that they have no conflicts of interest.

References

[1] I. Singh, M. K. Joshi, and M. S. Jaura, "Strangulation of penis by a ball bearing device," Journal of Sexual Medicine, vol. 7, no. 11, pp. 3793-3797, 2010.

[2] R. A. Talib, O. Canguven, A. Al Ansari, and A. Shamsodini, "Treatment of penile strangulation by the rotating saw and 4-needle aspiration method: two case reports," Archivio Italiano di Urologia e Andrologia, vol. 86, no. 2, pp. 138-139, 2014.

[3] J. Silberstein, J. Grabowski, C. Lakin, and I. Goldstein, "Penile constriction devices: case report, review of the literature, and recommendations for extrication," Journal of Sexual Medicine, vol. 5, no. 7, pp. 1747-1757, 2008.

[4] A. L. Bhat, A. Kumar, S. C. Mathur, and K. C. Gangwal, "Penile strangulation," British Journal of Urology, vol. 68, no. 6, pp. 618-621, 1991.

[5] J. Peay, J. Smithson, J. Nelson, and P. Witucki, "Safe emergency department removal of a hardened steel penile constriction ring," Journal of Emergency Medicine, vol. 37, no. 3, pp. 287-289, 2009.

[6] R. A. Santucci, D. Deng, and J. Carney, "Removal of metal penile foreign body with a widely available emergency-medical-services-provided air-driven grinder," Urology, vol. 63, no. 6, pp. 1183-1184, 2004.

[7] A. Chennamsetty, D. Wenzler, and M. Fischer, "Removal of a penile constriction device with a large orthopedic pin cutter," Case Reports in Urology, vol. 2014, Article ID 347285, 3 pages, 2014.

[8] S. H. Eaton, R. J. Dickstein, and J. B. Wiygul, "Novel use of the Gigli saw for management of penile entrapment," Journal of Sexual Medicine, vol. 6, no. 2, pp. 595-597, 2009.

[9] J. K. Huang, D. Holt, and T. Philp, "Penile constriction by foreign bodies: the use of a dental drill," BJU International, vol. 79, no. 5, p. 801, 1997.

[10] M. Y. Kyei, E. K. Asante, J. E. Mensah et al., "Penile strangulation by self-placement of metallic nut," Ghana Medical Journal, vol. 49, no. 1, pp. 57-59, 2015.

[11] B. Morentin, B. Biritxinaga, and L. Crespo, "Penile strangulation: report of a fatal case," American Journal of Forensic Medicine and Pathology, vol. 32, no. 4, pp. 344-346, 2011.

[12] J. Zhang, X. Wang, Z. Li, J. Zhang, X. Zhang, and N. Xing, "Penoscrotal strangulation caused by a steel ring: a case report," Sexual Medicine, vol. 5, no. 2, pp. e131-e133, 2017.

Neel H. Patel (ID), (1) Ariel Schulman, (2) Jonathan Bloom, (3) Nikil Uppaluri, (1) Michael Iorga, (1) Suraj Parikh, (1) John Phillips, (1) and Muhammad Choudhury (1)

(1) Department of Urology, New York Medical College, Valhalla, NY, USA

(2) Department of Urology, Duke University Medical Center, Durham, NC, USA

(3) Urologic Oncology Branch, National Cancer Institute, Bethesda, MD, USA

Correspondence should be addressed to Neel H. Patel; neelhpatel@gmail.com

Received 13 February 2018; Accepted 8 March 2018; Published 27 March 2018

Academic Editor: Farhang Rabbani

Caption: Figure 1: Case 1: metal ring encircling phallus and scrotum.

Caption: Figure 2: Industrial grade steel bolt cutters.

Caption: Figure 3: (a) Case 2: metal ring encircling phallus and scrotum. (b) Areas of significant necrosis seen along scrotum. (c) Metal ring disassembled with bolt cutters.
Table 1: Penile strangulation classification system by Bhat et al.

Grade I        Distal penis edema. No evidence of
               skin ulceration or urethral injury.

Grade II       Distal penile edema with decreased
                   sensation. Injury to skin,
               constriction of corpus spongiosum.
                       No urethral injury.

Grade III      Injury to skin and urethra, without
                urethral fistula. Loss of distal
                        penile sensation.

Grade IV           Complete division of corpus
                 spongiosum leading to urethral
               fistula and constriction of corpus
                 cavernosum with loss of distal
                        penile sensation.

Grade V          Gangrene, necrosis, or complete
                       amputation of penis.

Table 2: Presentation of various case reports with penile
strangulation injury.

                      Review of reported cases

                      Time to        Comorbidities
                   presentation

Chennamsetty et       9 days             None
al. [7]

Singh et al.         26 hours            None
[1]

Talib et al.          8 hours          Erectile
[2]                                   dysfunction

                      6 hours            None

Santucci et al.      72 hours        Schizophrenia
[6]

Eaton et al.         16 hours            None
[8]

Huang et al.            --             Diabetes
[9]                                    mellitus,
                                    coronary artery
                                        disease

Zhang et al.          2 days             None
[12]

Kyei et al.          12 hours            None
[10]

Morentin et al.       2 weeks          Cerebral
[11]                                   vascular
                                       accident,
                                       smoking,
                                      alcoholism,
                                    social behavior
                                       disorder

                        Review of reported cases

                        Device             Penile
                                         condition

Chennamsetty et       7 mm thick,      Skin necrosis
al. [7]               alloy ring

Singh et al.         Metallic ball         Edema/
[1]                  bearing ring      discoloration

Talib et al.         2.5 x 1.5 cm      Penile edema/
[2]                 metallic ring        congestion

                      1 cm thick        Penile edema
                      metal ball
                     bearing ring

Santucci et al.      10 lb barbell     Penile edema/
[6]                                    discoloration

Eaton et al.        1 cm thick x 2     Penile edema/
[8]                 cm wide x 6 cm       hyperemia
                     diameter ring

Huang et al.        Plastic bottle      Penile edema
[9]

Zhang et al.        3 cm diameter x     Penoscrotal
[12]                  2 mm thick           edema
                     metallic ring

Kyei et al.         2 cm wide x 0.8     Penile edema
[10]                   cm thick
                     metallic nut

Morentin et al.     Plastic bottle       Necrosis/
[11]                                      gangrene

                          Review of reported cases

                        Removal            Long-term
                       technique            sequelae

Chennamsetty et     Orthopedic pin            None
al. [7]                 cutter

Singh et al.            Needle                None
[1]                   aspiration/
                        manual
                     decompression

Talib et al.         Rotating saw             None
[2]
                       4 needle               None
                      aspiration

Santucci et al.     Air grinder saw           None
[6]

Eaton et al.           Gigli saw              None
[8]

Huang et al.         Dental drill             None
[9]

Zhang et al.        Hydraulic cable           None
[12]                    cutter

Kyei et al.         Bosch electric      Thermal injury-
[10]                    grinder                -
                                        urethrocutaneous
                                          fistula and
                                            urethral
                                           stricture

Morentin et al.          None               Death--
[11]                                       multiorgan
                                         failure due to
                                             sepsis
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Title Annotation:Case Report
Author:Patel, Neel H.; Schulman, Ariel; Bloom, Jonathan; Uppaluri, Nikil; Iorga, Michael; Parikh, Suraj; Ph
Publication:Case Reports in Surgery
Date:Jan 1, 2018
Words:2042
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