Radical resection of an endometrioid carcinoma arising from endometriosis in the round ligament within the right canal of Nuck: a case report and literature review

Motooka, Yashiro; Motohara, Takeshi; Honda, Ritsuo; Tashiro, Hironori; Mikami, Yoshiki; Katabuchi, Hidetaka

doi:10.1016/j.gore.2018.01.010

Cited by 10 publications

(14 citation statements)

References 11 publications

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“…The risk of malignant transformation of endometrial deposit is between 0.7 and 1.0% [ 13 ] with only 6 cases of cancers associated with inguinal endometriosis have been reported in the literature [ 14 , 15 ]. Of those, five out of six were adenocarcinomas, and one was an endometrial stromal sarcoma [ 16 ].…”

Section: Discussionmentioning

confidence: 99%

Endometriosis of the Inguinal Canal Mimicking a Hydrocele of the Canal of Nuck

Basnayake

Jayarajah

Seneviratne

2020

Case Reports in Surgery

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Isolated presentation of endometriosis of the inguinal canal is infrequent, and the clinical and imaging findings may be misleading in such patients. We describe an otherwise healthy female with isolated inguinal endometriosis presenting as a hydrocele of the canal of Nuck. Surgeons should consider such unusual presentations and obtain imaging and histological evaluations in doubtful instances. Complete excision was curative in our patient with no evidence of recurrence.

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Section: Discussionmentioning

confidence: 99%

Endometriosis of the Inguinal Canal Mimicking a Hydrocele of the Canal of Nuck

Basnayake

Jayarajah

Seneviratne

2020

Case Reports in Surgery

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“…A total of 20 studies (18 case reports and 2 case series), which comprised 36 patients who were diagnosed with an endometriotic lesion arose in the NC, were finally considered eligible for inclusion in the qualitative analysis of the present systematic review [ 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 ].…”

Section: Resultsmentioning

confidence: 99%

“…In 27 of them, imaging was suspicious for presence of a cystic structure in the inguinal region which was compatible with pathology in the NC potentially indicative of Nuck hydrocele in most cases, while preoperative suspicion of the presence of endometriosis through imaging was made for 4 patients. Three patients underwent a preoperative histologically-based diagnostic procedure (biopsy or fine needle aspiration-FNA) [ 26 , 32 , 37 ]. In 2 of them, a preoperative percutaneous biopsy of the mass revealed endometrial tissue, while in the other patient, inguinal mass biopsy revealed adenocarcinoma [ 37 ].…”

Section: Resultsmentioning

confidence: 99%

“…Three patients underwent a preoperative histologically-based diagnostic procedure (biopsy or fine needle aspiration-FNA) [ 26 , 32 , 37 ]. In 2 of them, a preoperative percutaneous biopsy of the mass revealed endometrial tissue, while in the other patient, inguinal mass biopsy revealed adenocarcinoma [ 37 ].…”

Section: Resultsmentioning

confidence: 99%

“…Among them, Wang et al performed a laparoscopic repair of the defect in the canal with simultaneous percutaneous excision of the endometriotic lesion, while in the study by Jimenez et al, a total laparoscopic excision and repair of the defect were applied [ 27 , 32 ]. Two patients also underwent radical hemivulvectomy due to malignant transformation of NC endometriosis [ 24 , 37 ]. Hernia repair along with the lesion excision was performed in 12 cases (1 laparoscopic and 11 open) among which 4 cases underwent repair with the use of mesh ( Table 1 ).…”

Section: Resultsmentioning

confidence: 99%

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Endometriosis of the Canal of Nuck: A Systematic Review of the Literature

Prodromidou¹,

Pandraklakis²,

Rodolakis³

et al. 2020

Diagnostics

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Endometriosis is a common benign gynecological condition defined as the presence of endometrial tissue in tissues outside the uterine cavity. Apart from the common sites of endometriosis, rare sites other have also been reported including the liver, the thoracic cavity, the muscles, nerves, and more rarely in a patent Nuck canal. We aim to evaluate the clinical presentation, diagnostic features, and management of the Nuck endometriosis. A meticulous search of three electronic databases was performed until May 2020 for articles reporting cases of Nuck endometriosis. A total of 36 patients from 20 studies were analyzed. Median age of patients was 36 years with 33 women being of reproductive age. A right-sided lesion was identified in 30 cases (83.3%), while all patients suffer from a groin mass with cyclic pain in a proportion of 22%. All the patients finally underwent surgery for investigation of the lesion and fixation of the defect. Five cases of malignancy were detected at final pathology. All of them were alive with a median reported overall survival of 37 months. Nuck endometriosis should be included in the differential diagnosis of female patients with groin swelling. An evaluation by a gynecologist is important when endometriosis is suspected.

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