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Colouterine fistula after polymyomectomy: a case report

  • Jennifer Uzan1,
  • Martin Koskas1,
  • Pierre Fournier2,
  • Anne Laure Margulies1,
  • Dominique Luton1 and
  • Chadi Yazbeck1, 3Email author
Journal of Medical Case Reports20148:199

https://doi.org/10.1186/1752-1947-8-199

Received: 19 December 2013

Accepted: 28 April 2014

Published: 18 June 2014

Abstract

Introduction

Colouterine fistula is a very rare condition; most cases described in the literature are secondary to complications of diverticulitis in elderly patients.

Case presentation

We report the case of a 34-year-old African woman who presented with a colouterine fistula secondary to polymyomectomy, which was diagnosed in the setting of severe endometritis. She had a Hartmann procedure and abundant irrigation of her abdominal and uterine cavities followed by placement of a double drainage in order to preserve fertility. This is the first case of a conservative management of the uterus in such conditions.

Conclusion

Conservative surgery in colouterine fistula should be discussed as an alternative to hysterectomy in young infertile women.

Keywords

Colouterine fistulaFertility preservationMyomectomySurgical management

Introduction

Colouterine fistula is a very rare condition; most cases described in the literature occurred secondary to complications of diverticulitis in the elderly [1, 2]. Other circumstances include sigmoid malignancy [3], radiotherapy and iatrogenic conditions such as insertion of intrauterine devices [4], endometrial curettage with uterine and bowel perforation [5], or obstetrical injury [6].

Case presentation

We report the case of a 34-year-old infertile African woman with no medical or surgical history. She was referred to our hospital for intense abdominal pain associated with sepsis and fecaloid leukorrhea.

She had a surgical management of a symptomatic leiomyomatous uterus 20 days earlier in another clinic: preoperative selective uterine artery embolization (UAE) of both her uterine arteries was immediately followed by median laparotomy and ablation of a posterior interstitial leiomyoma of 70mm and an anterior subserous leiomyoma of 45mm; two hysterotomies were made to enucleate the leiomyomas and then sutured with absorbable thread (Vicryl®), and an anti-adhesion membrane (Seprafilm®) with epiploon interposition was used on her uterine sutures.Emergency biological tests revealed a C-reactive protein of 300mg/L. An abdominal computed tomography (CT) scan showed intrauterine hydroaeric levels, which confirmed the diagnosis of a colouterine fistula (Figure 1a and 1b).
Figure 1

Abdominal computed tomography scan revealing hydroaeric levels inside the uterus. a: coronal view. b: transverse view.

Intravenous antibiotics were started immediately (third generation cephalosporins, metronidazole and gentamicin) and she was counseled about the risk of hysterectomy but she insisted on trying a conservative management.

An immediate laparotomy enabled us to isolate the fistula between her sigmoid and her uterine fundus, with feces inside her uterus associated with several lesions of myometritis but with no sign of fecal peritonitis; Hartmann’s procedure involved resection of 15cm of her sigmoid colon with creation of a protective abdominal colostomy, and was followed by abundant irrigation of her abdominal and uterine cavities; the uterine edge of the fistula was estimated to have a diameter of 8mm. It was not immediately closed, but used to place an irrigation system associated with a cervical drainage of the uterus. A drainage of her abdominal cavity was also placed. Antibiotic therapy was reinforced with Tazocilline® (piperacillin-tazobactam) and amikacin. Irrigation was stopped at day 3 and drainage removed at day 5 after surgery.

Histologic analysis did not show malignancy. She was then seen monthly for clinical examination and pelvic ultrasound by a referent gynecologist.At 3 months a pelvic ultrasound showed a heterogeneous myometrium, endometrial atrophy and a small uterine cavity. Her digestive continuity was reestablished at 5 months by the referent surgeon. At 12 months, she was still amenorrheic despite combined hormonal treatment (ethinylestradiol 0.03mg + levonorgestrel 0.15mg). Operative hysteroscopy showed a cavity length of 80mm, endometrial atrophy, and a fundal synechia that reduced her uterine cavity volume and prevented the visibility of both tubal ostia. The synechia was removed under ultrasound guidance (Figure 2a and 2b). At latest news, menstrual cycles partially resumed 3 months later, but she did not become pregnant because of other personal problems.
Figure 2

Postoperative hysteroscopic findings. a: right tubal ostium. b: left tubal ostium.

Discussion

To the best of our knowledge, this is the first case of colouterine fistula after polymyomectomy, conservatively managed in an emergency setting. The two main etiologic hypotheses could be: (i) preoperative UAE usually associated with reduced blood supply, which could interfere with myometrial cicatrization and increase the risk of uterine fistula [79]; and (ii) the use of anti-adhesion barrier (Seprafilm®) on uterine sutures with epiploon interposition could have connected the uterine suture to the bowel leading to fistula formation. Such practice has been suspected to increase leak related events (fistula, abscess, peritonitis and sepsis) in a multicenter randomized study comparing complications of abdominal surgery with and without the use of Seprafilm® [10].

Most of the 24 cases of colouterine fistulas reported in the English and French literature were due to diverticulitis. Classically, they affected older patients for whom a concomitant subtotal or total hysterectomy was the preferred therapeutic choice [1, 11]. Uterine conservation in young patients was reported in rare cases (Table 1): excision of myometrium surrounding the fistula and reparation of the uterine wall associated with restitution of sigmoid defect with or without drainage [1215]. It is important to mention that all these cases were not managed in an emergency setting with sepsis [16], except for one case of a pregnant patient who had a subtotal hysterectomy associated with bowel resection [17].
Table 1

Characteristics of patients treated conservatively for colouterine fistulas

Author (year)

Age (years)

Etiology

Emergency setting

Surgical management

Fertility at late follow up

Choi (2012) [12]

81

Diverticulitis

Yes

Bowel resection

No

Zeino et al. (2011) [13]

43

Intrauterine device

No

Direct repair (suture)

No

Dadhwal et al. (2008) [14]

24

Foreign body in the uterus

No

Direct repair (suture)

No

Shaw et al. (1995) [15]

26

Foreign body ingestion

No

Bowel resection

?

Fadel (1977) [16]

32

Myomectomy

No

Bowel resection

?

Fertility of women treated conservatively for a colouterine fistula was never reported. Endometrial thickness should be monitored and patients should have a regular follow up.

Conclusions

Colouterine fistula following myomectomy is a very rare condition in young women. The diagnosis is easily made with clinical history and abdominal CT scanning. Risk factors might include preoperative UAE, which should be used with caution before myomectomy. Conservative surgical management is challenging in case of severe infection, but should be discussed if fertility preservation is strongly desired. The therapeutic management combines intravenous large spectrum antibiotics and surgery and has two objectives: treat the fistula and its gynecological consequences taking into account the preservation of fertility. Despite a favorable outcome, fertility prognosis is still to be assessed.

Consent

Written informed consent was obtained from the patient for publication of this case report and accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.

Abbreviations

CT: 

Computed tomography

UAE: 

Uterine artery embolization.

Declarations

Authors’ Affiliations

(1)
Obstetrics and Gynecology Department, Bichat-Claude Bernard Hospital. APHP, Paris 7 University
(2)
General Surgery Department, Bichat-Claude Bernard Hospital. APHP, Paris 7 University
(3)
Obstetrics, Gynecology and Reproductive Medicine Department, Bichat-Claude Bernard University Hospital

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Copyright

© Uzan et al.; licensee BioMed Central Ltd. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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