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URORADIOLOGY
Year : 2011  |  Volume : 27  |  Issue : 4  |  Page : 556-557
 

Can radical orchiectomy be avoided for paratesticular adenomatoid tumor?


Department of Urology, CSM Medical University, Lucknow, India

Date of Web Publication4-Jan-2012

Correspondence Address:
Apul Goel
Department of Urology, CSM Medical University (Formerly King George Medical College), Lucknow - 226 003
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-1591.91454

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   Abstract 

Paratesticular tumors are rare tumors that are difficult to diagnose preoperatively and therefore, many patients are subjected to inguinal orchiectomy. However, radical orchiectomy can be avoided as the diagnosis of paratesticular tumor can be made on the basis of clinical suspicion, findings of tumor markers and radiological tests.


Keywords: Adenomatoid tumour, paratesticular tumors, testis


How to cite this article:
Goel A, Jain A, Dalela D. Can radical orchiectomy be avoided for paratesticular adenomatoid tumor?. Indian J Urol 2011;27:556-7

How to cite this URL:
Goel A, Jain A, Dalela D. Can radical orchiectomy be avoided for paratesticular adenomatoid tumor?. Indian J Urol [serial online] 2011 [cited 2019 Jul 17];27:556-7. Available from: http://www.indianjurol.com/text.asp?2011/27/4/556/91454



   Introduction Top


Adenomatoid tumors, although rare, are the most common tumors of the paratesticular tissues, accounting for approximately 30% of all paratesticular tumors. [1] In men, they are located in the epididymis, testicular tunicae, and rarely, the spermatic cord with most arising in or adjacent to the lower or upper pole of the epididymis. [1] Although benign in nature but because they are difficult to differentiate from testicular malignancy these men are often subjected to radical orchiectomy. [2],[3] Recently, some authors have tried to define the imaging characteristics of these tumors [4] but since these tumors are rare and experience is limited imaging is still not considered as diagnostic. We report a case that was diagnosed on the basis of clinical suspicion, biochemical investigations, fine-needle aspiration cytology findings and radiological tests and thereby high orchiectomy could be avoided.


   Case Report Top


A 52-year-old male presented with complaints of a painless nodule in right scrotal sac for last 2-years that was gradually but very slowly increasing in size. There was no history suggestive of urinary infection, genitor-urinary tuberculosis or epididymo-orchitis. Examination revealed a pea-sized firm, well-marginated, smooth swelling present at the lower pole of testis but that could not be separated with epididymis. Testicular sensation was normal and cord and rest of the epididymis was normal. Serum level of α-fetoprotein and β-HCG were normal. Scrotal ultrasonography revealed a solid mass at the lower pole of right testis that was relatively hyperechoic as compared to the testicular parenchyma [Figure 1]. Scrotal MRI revealed a well-defined lenticular lesion at lower part of right testis. The lesion displayed signals isointense to slightly hypointense on both T1- and T2-weighted images with adjacent hypointense band. The interface with the testis was maintained [Figure 2]. Fine-needle aspiration from the mass revealed absence of malignant cells. In view of long clinical history, negative tumor markers, findings typical of adenomatoid tumor on sonography and MRI, as reported previously, [4] and absence of malignant cells on cytology local excision was performed under local anesthesia through inguinal incision. At exploration, there was a hard mass on the lower pole separate from the epididymis. Histopathology confirmed it to be an adenomatoid tumor.
Figure 1: Scrotal ultrasonography shows a solid mass at the lower pole of righttestis that was relatively hyperechoic as compared to the testicular parenchyma

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Figure 2: Scrotal MRI shows a well-defined lenticular lesion at lower part of right testis. The lesion displays signals isointense to slightly hypointense on both T1 and T2-weighted images with adjacent hypointense band. The interface with the testis is maintained

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   Discussion Top


Most paratesticular adenomatoid tumors occur in individuals in their twenties or thirties. Clinically they are found on routine examination as small, solid, asymptomatic masses. [1] Most of these tumors have been present for several years and uniformly behave in a benign fashion. [1]

Cellular atypia and local invasion have been observed occasionally. Nonetheless, because of the long history of these tumors and benign nature surgical excision is adequate. [1] A practical problem faced by clinicians is to differentiate this condition preoperatively from the much commoner testicular malignancy so as to avoid high inguinal orchiectomy especially in younger men. Because of its rarity radiological features are still not well-defined. The adenomatoid tumor does not produce any characteristic pattern on ultrasound that would allow it to be distinguished from malignant testicular tumors because they can be hypo, hyper or even isoechoic as regards the adjacent parenchyma. [3] The finding on contrast-enhanced MRI are more useful in diagnosing this condition. [5] It provides additional morphological evidence to allow precise localization of the origin of the mass, may also show contrast-enhancement features that enable further confidence of a benign diagnosis, and may allow conservative management. [4] However, in our case we were able to diagnose this condition after thorough evaluation and thereby could conserve the testis.

 
   References Top

1.Richie JP, Steele GS. Neoplasms of the testis. In: Wein AJ, Kavoussi LR, Novik AC, Partin AW, Peters CA, editors. Campbell-Walsh Urology. 9 th ed. Philadelphia: Saunders Elsevier; 2007. p. 893-935.  Back to cited text no. 1
    
2.Horstman WG, Sand JP, Hooper DG. Adenomatoid tumor of testicle. Urology 1992;40:359-61.  Back to cited text no. 2
    
3.Jimenez Pacheco A, Martinez Torres JL, Valle Diaz de Guardia F, Arrabal Polo MA, Zuluaga Gomez A. Intraparenchymatous adenomatoid tumor dependent on the rete testis: A case report and review of literature. Indian J Urol 2009;25:126-8.  Back to cited text no. 3
    
4.Patel MD, Silva AC. MRI of an adenomatoid tumor of the tunica albuginea. AJR Am J Roentgenol 2004;182:415-7.  Back to cited text no. 4
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5.Watanabe Y, Dohke M, Ohkubo K, Ishimori T, Amoh Y, Okumura A, et al. Scrotal disorders: Evaluation of testicular enhancement patterns at dynamic contrast-enhanced subtraction MR imaging. Radiology 2000;217:219-27.  Back to cited text no. 5
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    Abstract
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   Case Report
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