Epidermoid cyst of the testis: An atypical sonographic appearance

Chen, Shu-Ting; Chiou, Hong‐Jen; Pan, Chin-Chen; Shen, Shu-Huei; Chou, Yi‐Hong; Tiu, Chui‐Mei; Wang, Hsin‐Kai; Lai, Yi‐Chen; Lin, Yung-Hui; Wang, Jane; Chang, Cheng-Yen

doi:10.1002/jcu.22355

Cited by 6 publications

(6 citation statements)

References 9 publications

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“…[ 5 ] Epidermoid cyst of the genitourinary system is rare. There are many cysts occurring in testicles, [ 6 ] but those occurring in the upper urinary tract, such as the kidney and ureter, are extremely rare. Only 4 cases of epidermoid cyst occurring in the upper urinary tract have been reported worldwide to date (Table 1 ).…”

Section: Discussionmentioning

confidence: 99%

Epidermoid cyst in ureter: A case report

Qiang¹,

Wang²,

Yuan³

et al. 2022

Medicine

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Rationale: Uro-originated epidermoid cysts, especially located in the upper urinary tract are rare and only 4 cases of epidermoid cyst occurring in the upper urinary tract have been reported worldwide so far. In the previous cases, the cysts were diagnosed as tumors and organs were removed. Patient concerns and diagnosis: We report a case of epidermoid cyst in ureter in a 48-year-old female patient admitted to the local hospital suffering from paroxysmal pain in the right hypochondriac for 8 years. Interventions and outcomes: She underwent right ureteroscopy in order to rule out the possibility of urinary epithelial carcinoma. The tumor was pathological diagnosed as a benign ureterocyst epidermoid. Postoperatively, the patient showed good recovery. During the 24-month follow-up period, the patient remained well and free of complications. Conclusion: This case illustrates that benign epidermoid cysts can appear in the ureter, although it is extremely rare. It also indicates that perioperative examinations must be exhaustive to avoid the further injury to the patients.

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Section: Discussionmentioning

confidence: 99%

Epidermoid cyst in ureter: A case report

Qiang¹,

Wang²,

Yuan³

et al. 2022

Medicine

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“…A low signal strength peripheral rim was noted on the T1-and T2-weighted images, which gave a target appearance. Because the lesion is avascular, no improvement in contrast is expected after administration of contrast [11].…”

Section: Discussionmentioning

confidence: 99%

Testicular epidermoid cyst: about a case report and a review of the literature

Saouli¹,

Karmouni²,

Khader³

et al. 2021

Afr J Urol

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Background The testicular epidermoid cyst is an exceptional benign tumor. The presumptive diagnosis is facilitated by the development of medical imaging (echo-Doppler, elastography, contrast-enhanced ultrasound, MRI). The confirmatory diagnosis is histological. Case presentation We report the case report of a 37-year-old man who had a history of repetitive orchitis. He had complained of right scrotal discomfort for 6 months with no associated urinary symptoms. We performed an extemporaneous biopsy given the uncertain diagnosis (Fig. 3), and the histological examination was in favor of a mature teratoma. This prompted us to perform a right orchidectomy. The postoperative was simple. The final histological examination tipped in favor of an epidermoid cyst of the testicle. The patient was seen again at one month, and his clinical examination was normal. Conclusion The testicular epidermal cyst is a rare benign tumor of the testicle. Currently, conservative surgery has become the gold standard thanks to the development of medical imaging to differentiate between the both forms of TEC, and it retains certain limits which lie in the differential diagnosis with the teratoma requiring large multicenter studies to better characterize these two entities.

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“…Adrenal rests may also appear tumour‐like; however, they only occur in the context of congenital adrenal hyperplasia allowing for their differentiation on clinical grounds 20 . Another intratesticular mimic of tumour is epidermoid cysts which are usually easy to diagnose due to their morphological features 21,22 . Other rare entities include testicular lipomas, hamartomas and sarcoidosis 23 …”

Section: Discussionmentioning

confidence: 99%

“…20 Another intratesticular mimic of tumour is epidermoid cysts which are usually easy to diagnose due to their morphological features. 21,22 Other rare entities include testicular lipomas, hamartomas and sarcoidosis. 23 In our cohort, testicular tumour size was quite large which was reflected in the small number of testis-sparing surgeries.…”

Section: Discussionmentioning

confidence: 99%

Ultrasound morphological patterns of testicular tumours, correlation with histopathology

Nečas

Muthupalaniappaan

Barnard

2020

J of Medical Radiation Sci

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Introduction Ultrasound (US) plays a key role in the detection of testicular tumours. However, reliable characterisation of testicular tumours with US is difficult. The purpose of this study was to investigate the morphological patterns of testicular tumours as seen on modern US imaging and correlate these with histology. Methods The imaging features of 50 testicular tumours were analysed and compared with histology. The US appearance was categorized into 15 distinct morphological patterns. Results Patient’s age ranged from 0.5 to 85 years. Of the 50 tumours in our series, 49 were malignant. Nearly half of the malignancies were seminomatous germ cell tumours (SGCTs). Tumours ranged in size from 10 to 130 mm with considerable overlap of size between tumours of different histological type. Even small (10 mm) tumours in our cohort were malignant. SGCTs demonstrated a narrower range of morphological appearances than non‐seminomatous germ cell tumours (NSGCTs). Calcification was common in both SGCT and NSGCTs. Multicomponent cystic‐solid appearance was only seen in NSGCTs. Conclusion The differentiation of testicular tumours with US continues to be challenging. In this paper, we have demonstrated the diverse morphological patterns of testicular neoplasms and have proposed the study of tumour morphological features as a promising research direction.

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Epidermoid cyst of the testis: An atypical sonographic appearance

Cited by 6 publications

References 9 publications

Epidermoid cyst in ureter: A case report

Epidermoid cyst in ureter: A case report

Testicular epidermoid cyst: about a case report and a review of the literature

Ultrasound morphological patterns of testicular tumours, correlation with histopathology

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