Inguinal endometriosis, a rare entity of which surgeons should be aware: clinical aspects and long-term follow-up of nine cases

Wolfhagen, Niels; Simons, Noor E.; Jong, Katja H. de; Kesteren, P. J. M. van; Simons, M. P.

doi:10.1007/s10029-018-1797-x

Cited by 26 publications

(31 citation statements)

References 27 publications

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“…There have been a few reports describing postoperative recurrence rates ranging from 0% to 16.6%. 56,57,62,66 In these reports, the recurrence sites were similar in all recurrent three cases. 56,57 A subcutaneous tumor was formed at the site distal to the resection site from the inguinal ring, which suggests that a part of the lesion was newly transplanted during the initial surgery or that a small lesion remained at the distal site of the excised lesion and the round ligament.…”

Section: Inguinal Endometriosismentioning

confidence: 56%

Extra‐pelvic endometriosis: A review

Hirata

Koga

Osuga

2020

Reprod Medicine & Biology

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Endometriosis is defined as a condition in which endometrium-like tissues are present in organs other than the uterus. It has been reported that 5%-10% of women of reproductive age have endometriosis. 1-3 It is an estrogen-dependent inflammatory disease, which causes pelvic pain and infertility. Endometriosis usually involves the ovaries, ligaments, and peritoneal surfaces, and less commonly occurs in the intestine, bladder, abdominal wall, thoracic cavity, and other organs. The etiology of endometriosis has remained mostly unknown, despite much literature and some predominant theories. The most widely accepted theory for the pathogenesis of endometriosis is retrograde menstruation through the fallopian tubes into the pelvic cavity. 4 Once endometrial cells adhere to peritoneal surfaces, they can grow and invade onto peritoneal structures, under the influence

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Section: Inguinal Endometriosismentioning

confidence: 56%

Extra‐pelvic endometriosis: A review

Hirata

Koga

Osuga

2020

Reprod Medicine & Biology

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“…In our cases, except for one patient who underwent emergency surgery in the diagnosis of incarcerated inguinal mass (Case 3), five patients were preoperatively diagnosed of inguinal endometriosis (83.3%, 5/6 cases). In addition, Nuck's canal hydrocele and inguinal hernia were found in 10 and 5 cases of the 28 cases, and in 2 and 2 cases of the 9 cases, respectively. Of the six patients who underwent surgery, three had Nuck's canal hydrocele and one had inguinal hernia in our study.…”

Section: Discussionmentioning

confidence: 91%

“…14,15 The diagnosis of inguinal endometriosis before surgery has been considered difficult because of rarity, noncyclic pain, and inconclusive results of imaging examination. 5,10 However, an important clue is the pain that frequently occurs in the groin area, and most symptoms occur during menstruation. Recently, MRI is reported to possibly distinguish endometriosis from other diseases.…”

Section: Discussionmentioning

confidence: 99%

Clinical aspects and management of inguinal endometriosis: A case series of 20 patients

Arakawa

Hirata

Koga

et al. 2019

J of Obstet and Gynaecol

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Aim This study aimed to describe the clinical presentation, diagnostic evaluation, and operative or medical management of inguinal endometriosis. Methods In this study, we retrospectively reviewed 20 cases of inguinal endometriosis in our facility, particularly on the clinical characteristics, diagnosis, and surgical and medical treatment. Results We retrospectively investigated the following items for each patient: age at diagnosis, surgical history, presence of extragenital endometriosis, symptoms, imaging modalities, surgical therapy, hormonal therapy, follow‐up period, postoperative recurrence and time to recurrence. We identified 20 cases of inguinal endometriosis in our facility. First, 75% of the patients had right inguinal endometriosis. Second, T1‐weighted or fat‐saturated T1‐weighted images showed hyperintensity in the lesions in 17 patients (17/18 patients, 94.4%). Third, in 5 of 6 patients who underwent surgical therapy, we performed radical surgery to excise the inguinal lesion including the round ligament. One patient had disease relapse. Fourth, in 6 of 7 cases, dienogest effectively improved pain without significant adverse effects, but oral contraceptive was effective in 1 of 4 patients without significant adverse effects. Conclusion We retrospectively reviewed 20 patients with inguinal endometriosis in our facility. We have shown that magnetic resonance imaging can be a useful imaging modality to obtain a specific diagnosis of this disease. In addition, inguinal endometriosis can be managed with radical surgery to resect lesions including the round ligament and with hormonal treatment. In particular, dienogest ameliorated symptoms, which can be an option for patients who do not want surgery.

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“…It is a rare presentation with prevalence of 0.3%–0.6% 2. Inguinal endometriosis commonly presents at the right side in women of reproductive age 3. Cyclical pain of the mass was reported 3.…”

Section: Introductionmentioning

confidence: 99%

“…Inguinal endometriosis commonly presents at the right side in women of reproductive age 3. Cyclical pain of the mass was reported 3. Four out of nine patients presented with cyclical pain of the groin mass.…”

Section: Introductionmentioning

confidence: 99%

Inguinal endometriosis: a differential diagnosis of right groin swelling in women of reproductive age

Fong¹,

Lau

Mak³

et al. 2019

BMJ Case Rep

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Inguinal endometriosis, a rare entity of which surgeons should be aware: clinical aspects and long-term follow-up of nine cases

Abstract: Follow-up by a gynecologist is advised to check for intra-abdominal disease and inform patients on fertility perspective. Surgeons should be aware of the possibility of inguinal endometriosis in fertile women with a lump in the groin.

Cited by 26 publications

References 27 publications

Extra‐pelvic endometriosis: A review

Extra‐pelvic endometriosis: A review

Clinical aspects and management of inguinal endometriosis: A case series of 20 patients

Inguinal endometriosis: a differential diagnosis of right groin swelling in women of reproductive age

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