Case Report Torsion of Undescended Third Testis, as Rare...

Case ReportTorsion of Undescended Third Testis, as Rare Cause ofPainful Inguinal Mass

Suheil Artul,1,2 Faozi Artoul,3 Basel Fahoum,4 William Nseir,5

Najib Nasrallah,5 and George Habib5

1Department of Radiology, EMMS Hospital, 16100 Nazareth, Israel2Faculty of Medicine in the Glilee, Bar-Ilan University, 13115 Safed, Israel3Department of Nuclear Medicine, Meir Hospital, 44410 Betah Tekva, Israel4Urology Department, EMMS Hospital, 16100 Nazareth, Israel5Medical Department, Carmel Medical Center, Haifa, Israel

Correspondence should be addressed to Suheil Artul; suheilartul@nazhosp.com

Received 28 September 2014; Accepted 5 January 2015

Academic Editor: Pilar Gonzalez-Peramato

Copyright © 2015 Suheil Artul et al. This is an open access article distributed under the Creative Commons Attribution License,which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Twenty years old young was referred to our department due to painful inguinal mass. The mass was diagnosed as torsion of thirdtestis which was treated by orchiectomy. Polyorchidism is a rare entity with increased risk for malignancy and torsion.

1. Introduction

Polyorchidism is a rare condition; it happens due to anembryological abnormal division of the genital ridge [1].

These supernumerary testes are at increased risk todevelop malignancy and torsion [1, 2].

Triorchidism is the most common form, but also 4/5testes have been reported in literature.

The supernumerary testes are usually intrascrotal [1].The minority of all reported cases are inguinal and some

of them even retroperitoneal.The third testis is usually more mobile and more prone to

torsion [3].Ultrasound colour plays a crucial role in diagnosing and

following up this entity. MRI plays a role when the diagnosisis in doubt or when suspecting an associated malignancy.

Some patients after bilateral orchiectomy remainedreproductive because of missing the undiagnosed thirdundecsended testis. In fact this happens because some ofthe supernumerary testis has attachment to a draining epi-didymis and vas deferens [1–3].

2. Case Report

Twenty years old young, was referred to our ultrasound unitbecause of a history of two-day painful right inguinal mass.The patient which is usually healthy had no fever in these twodays.

Physical examination revealed a tender mass in the rightinguinal area, the patient had no fever, and laboratory testswere in normal range.

Ultrasound of the inguinal area showed an inguinal oval1.6 cm, echogenic mass with no flow in it that resembles smalltestis (Figure 1). Ultrasound of the scrotum showed normaltwo testes in place (Figure 2).Therefore the diagnosis of poly-orchidism was done with torsion of the third undescendedtestis. The diagnosis was confirmed at surgery and resectionof the ischemic third inguinal testicle was done.

3. Discussion

Embryologically polyorchidism can be classified into fourtypes [4]. In type A, the division separates a small part ofthe genital ridge, which does not contact the mesonephric

Hindawi Publishing CorporationCase Reports in UrologyVolume 2015, Article ID 273508, 3 pageshttp://dx.doi.org/10.1155/2015/273508

2 Case Reports in Urology

Figure 1: Ultrasound color Doppler of the inguinal area shows aninguinal oval 1.6 cm, hypoechogenic mass with no flow in it thatresembles small testis.

Figure 2: Transverse ultrasound of scrotum shows normal twotestes in place.

duct.Therefore, the supernumerary testis lacks an epididymisand vas deferens; this type is more prone to movement andcan be presented as undescended testis such as our case. Intype B, the division of the genital ridge occurs in the regionwhere the primordial gonads are attached to themesonephricducts and the supernumerary testis has its own epididymis.In type C, the supernumerary testis has its own epididymisand shares the vas deferens with the regular testis in a parallelfashion. In this type of polyorchidism, there is an incompletelongitudinal division of the genital ridge and the proximalportion of the mesonephric duct. In type D, which is the leastcommon, complete longitudinal duplication of the genitalridge and mesonephric duct occurs, with resultant completeduplication of testes, epididymides, and vas deferens.

Triorchidism is the most common type of polyorchidismand presents with two testes on one side (usually the left) andone testis on the other side. Rare case of polyorchidism withthree homolateral testes on the right side and absent testis onthe left side has been reported [1, 4].

Splenogonadal fusion is a rare congenital anomaly thatmay sonographically resemble polyorchidism [5]. In thisentity spleen, gonad, epididymis, and vas deferens are fused.Sonography reveals a mass with the testicle of similarechogenicity and it may mimic the appearance of poly-orchidism. When splenogonadal fusion is suspected, a tech-netium sulfur colloid scan should be performed to confirmthe presence of ectopic splenic tissue. Another classificationis based on reproductive potential of the supernumerarytestis. In type 1, the supernumerary testis has reproductivepotential because of attachment to a draining epididymisand vas deferens. In type 2, the supernumerary testis has noreproductive potential because of lack of a draining system.The sonographic appearance of polyorchidism is presenceof scrotal mass that has an echo pattern identical to thatof the ipsilateral testicle [6] MRI appearance is a round oroval shaped structure showing typical signal characteristics oftesticles, that is, homogeneous intermediate signal intensityon T1 weighted and high signal intensity on T2 weightedimages [7].

Polyorchidism is a rare genitourinary abnormality, andtorsion is one of its associated complications; however, thediagnosis of polyorchidism with or without torsion can bemade readily with ultrasonography when one is aware of thisentity [8].

Sonographic features of torsion are homogenous hypoe-chogenicity of testis with absent flow on color Doppler study.MRI can play a role in diagnosing torsion; signs in MRI areincreased signal intensity onT1 and decreased signal intensityon T2 weighted sequences [9].

4. Conclusion

(i) Not every inguinal mass is a hernia or a lymph node.

(ii) Polyorchidism is a rare congenital anomaly.

(iii) Torsion is a complication of this entity.

(iv) Ultrasound Doppler plays a crucial rule in diagnos-ing.

(v) If you do not think about it, you will not mention it inyour diagnosis.

Consent

Patient’s consent was considered.

Conflict of Interests

No potential conflict of interests relevant to this paper wasreported.

Acknowledgment

EMMSNazarethHospital, Nazareth, Israel, funded the study.

Case Reports in Urology 3

References

[1] K. Kumar, D. Das, and Shivaraj, “Triorchidism with torsion,”Annals of Medical and Health Sciences Research, vol. 2, no. 2, pp.199–201, 2012.

[2] T.-J. Chung and W.-J. Yao, “Sonographic features of poly-orchidism,” Journal of Clinical Ultrasound, vol. 30, no. 2, pp.106–108, 2002.

[3] S. Hwang, D. R. Aronoff, and J. C. Leonidas, “Case 82: poly-orchidism with torsion,” Radiology, vol. 235, no. 2, pp. 433–435,2005.

[4] B. R. Singer, J. G. Donaldson, andD. S. Jackson, “Polyorchidism:functional classification and management strategy,” Urology,vol. 39, no. 4, pp. 384–388, 1992.

[5] V. Ojili, A. K. P. Shanbhogue, and G. P. Doherty, “An unusualcase of polyorchidism with three homolateral testes and con-tralateral anorchia,” European Journal of Radiology Extra, vol.72, no. 3, pp. e129–e131, 2009.

[6] S. A. Akbar, T. A. Sayyed, S. Z. H. Jafri, F. Hasteh, and J. S. A.Neill, “Multimodality imaging of paratesticular neoplasms andtheir rare mimics,” Radiographics, vol. 23, no. 6, pp. 1461–1476,2003.

[7] R. L. Cirillo Jr., B. D. Coley, L. A. Binkovitz, and R. Y. Jayanthi,“Sonographic findings in splenogonadal fusion,” Pediatric Radi-ology, vol. 29, no. 1, pp. 73–75, 1999.

[8] Y. Watanabe, M. Nagayama, A. Okumura et al., “MR imagingof testicular torsion: features of testicular hemorrhagic necrosisand clinical outcomes,” Journal of Magnetic Resonance Imaging,vol. 26, no. 1, pp. 100–108, 2007.

[9] S. Yalcınkaya, C. Sahin, and A. F. Sahin, “Polyorchidism: sono-graphic and magnetic resonance imaging findings,” CanadianUrological Association Journal, vol. 5, no. 5, pp. E84–E86, 2011.

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