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 Table of Contents  
CASE REPORT
Year : 2015  |  Volume : 2  |  Issue : 1  |  Page : 37-39

Ovarian cystectomy of an ovarian ectopic pregnancy conceived by in vitro fertilization


1 Consultant in Assisted Reproduction and Embryologist, Dr. Lad's Navjeevan Hospital, Nashik, Maharashtra, India
2 Endoscopist and Infertility Specialist, Dr. Lad's Navjeevan Hospital, Nashik, Maharashtra, India

Date of Web Publication20-Apr-2016

Correspondence Address:
Nitin Lad
Consultant in Assisted Reproduction and Embryologist, Dr. Lad's Navjeevan Hospital, Nashik, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2394-4285.180502

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  Abstract 

A rare case of a 28-year-old female who suffered from a right ovarian ectopic pregnancy conceived by in vitro fertilization (IVF) is illustrated in this paper. She had history of one earlier pregnancy conceived with intrauterine insemination (IUI) that led to right tubal ectopic pregnancy, which was treated conservatively. At subsequent IVF cycle, she presented at 9 weeks of gestation with the compliant of severe pain in lower abdomen and mild vaginal bleeding. Serum β-human chorionic gonadotropin (β-hCG) concentration was 7,843 IU/L. Transvaginal sonography suggested a mass of 4.0 cm × 3.6 cm × 4.9 cm adjacent to the right ovary with cystic area interpreting right ovarian ectopic pregnancy. Prompt decision of laparoscopic management was taken depending upon the status of the patient and the desire to preserve her fertility. The ectopic tissue was aspirated laparoscopically while conserving more than 50% of the ovary. The ovarian pregnancy was also confirmed histologically. Early and accurate diagnosis and prompt management of ovarian ectopic pregnancy can preserve fertility.

Keywords: Laparoscopy, ovarian ectopic pregnancy, transvaginal sonography


How to cite this article:
Lad N, Lad N. Ovarian cystectomy of an ovarian ectopic pregnancy conceived by in vitro fertilization. Fertil Sci Res 2015;2:37-9

How to cite this URL:
Lad N, Lad N. Ovarian cystectomy of an ovarian ectopic pregnancy conceived by in vitro fertilization. Fertil Sci Res [serial online] 2015 [cited 2020 Nov 28];2:37-9. Available from: https://www.fertilityscienceresearch.org/text.asp?2015/2/1/37/180502


  Introduction Top


Ovarian pregnancy is a rare variety of ectopic implantations. Ovarian ectopic pregnancy was first reported by St. Maurice in 1682. The frequency of ovarian pregnancy is less than a tubal pregnancy and it constitutes 0.5-1% of all ectopic pregnancies. Although the incidence of ectopic pregnancy is on rise after assisted reproductive technology, ovarian ectopic pregnancy is still a rare event. [2]

Abdominal pain and vaginal bleeding is the most common presenting complaint, but the severity and nature of the pain varies widely. Ovarian pregnancies could be misdiagnosed because they are mostly and easily confused with a ruptured corpus luteum. [1] Here, we report a case of ovarian pregnancy after in vitro fertilization (IVF) diagnosed and treated conservatively by ovarian cystectomy.


  Case report Top


A 28-year-old female with complaint of infertility for 2.5 years presented at our hospital. Routine hormonal investigations showed normal thyroid-stimulating hormone (TSH) and prolactin (PRL) levels, with 1.8 μg/L anti-Mullerian hormone (AMH) level interpreting low fertility potential. Transvaginal sonography showed low antral follicle count suggesting ovarian reserve as borderline. Other investigations of the couple were normal. After a period of 4 months, the patient conceived with IUI, which was planned with controlled ovarian stimulation. Following conception, she was admitted with complaint of right abdominal pain, and right tubal ectopic pregnancy was diagnosed that was managed by operative laparoscopy.

After a period of 1 month, Artificial Reproduction Technology (ART) was planned. She was given short flare-up protocol, down regulation was achieved with leuprolide acetate from day 2 followed by ovarian stimulation with recombinant follicle-stimulating hormone (FSH) (Folligraph, Bharat Serum and Vaccines Limited, India) of 2,475 IU dose and hMG-gonadotropin (Menodac, Zydus Cadila Healthcare Limited, India) of 1,800 IU dose followed by hCG (Ovitrill) injection on day 11 of menstrual cycle. Endometrium thickness was 13 mm. Nine oocytes were retrieved of which four were fertilized by IVF procedure and five by intracytoplasmic sperm injection (ICSI) procedure. On day 5, two expanding blastocysts were transferred under ultrasonography guidance using embryo replacement catheter (K-JETS-6019-SIVF, COOK Incorporated, USA). Two weeks following embryo transfer, urine pregnancy was positive.

At 9 weeks of gestation, the patient presented with severe abdominal pain with mild vaginal bleeding since a day. Serum β-human chorionic gonadotropin (β-hCG) concentration was 7,843 IU/L. Transvaginal sonography suggested a normal uterus, endometrial thickness of 7 mm, normal left ovary, and adnexa. Adjacent to the right ovary there was a 4.0 cm × 3.6 cm × 4.9 cm mass with cystic area interpreting right ovarian ectopic pregnancy. After a proper counseling of the patient, the prompt decision of operative laparoscopy was taken. The findings fulfilled the Spiegelberg (1878) criteria for diagnosis of ovarian pregnancy, i.e., ipsilateral tube should be intact and separate from the ovary, the sac must occupy the position of the ovary, it must be attached to the uterus by ovarian ligament and ovarian tissue must be demonstrated in the wall of the sac.

Laparoscopic examination revealed 40-55 cc blood in the cavity while uterus was bulky soft. Blood was aspirated from the peristoneal cavity. Left tube, left ovary, and right tube appeared to be normal. Right ovary showed big blood clot on upper pole showing ectopic pregnancy inside the ovarian cortex that was partially ruptured [Figure 1]. The whole of ectopic tissue was aspirated and removed. The edge of the ovarian capsule showed minimal bleeding. After resection, more than 50% of her right ovary was conserved [Figure 2]. The histology of the resected tissue also confirmed the ovarian pregnancy [Figure 3]. The operative procedure was uneventful.
Figure 1: Laparoscopic finding showing a ruptured right ovarian pregnancy

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Figure 2: Laparoscopic postreaction of ovarian ectopic pregnancy

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Figure 3: Histology slide of ovarian ectopic pregnancy Comment: Corpus Luteum surrounded by immature villi and trophoblastic elements suggesting ovarian ectopic pregnancy

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  Discussion Top


The etiology of ovarian pregnancy remains unclear, but it has been mostly associated with IVF, [3],[8] intrauterine device use, and ovulation induction. [4],[5],[6]

Ovarian ectopic pregnancy is mostly confused with tubal ectopic pregnancy and ruptured corpus luteum cyst as all the three of the above conditions have the same clinical picture and presentation. In ovarian ectopic pregnancy, the patient usually presents early in gestation as the ovary can accommodate the gestation for a short duration as the tunica albuginea is weakened by the invading cytotrophoblast. Due to the increased vascularity of the ovarian tissue it was common to sustain massive hemorrhage with rapid circulatory collapse. [1] It has been reported that the presentation of ovarian ectopic pregnancies can be delayed. [9]

The rarity of this type of ectopic pregnancy universally results in the lack of therapeutic protocols on optimal management. The selection of treatment modality is based on severity of symptoms, medical condition of the patient, desire to preserve fertility, gestational age, and surgical experience.

Laparoscopic conservative surgery (ovarian cystectomy or wedge resection) with repair of the ovarian tissue is the standard management and the aim should be to conserve the ovary on which the ectopic pregnancy is attached. For hemodynamically unstable patients, urgent laparotomy should be considered. [7] Methotrexate is a good alternative to laparoscopic management in case of unruptured ovarian ectopic pregnancy; however, its toxicity has to be taken in account. [8] Ovarian ectopic pregnancy has a varied surgical presentation and in spite of advances in clinical sciences correct presurgical diagnosis of ovarian ectopic still remains uncertain as it commonly mimics with tubal ectopic, ruptured corpus luteum, and torsion of the ovary.


  Conclusion Top


Although ovarian pregnancy is a rare event, awareness of this condition is important as timely recognition and early referral is of prime importance. This case demonstrates that ovarian pregnancy may be diagnosed and treated conservatively with ovarian cystectomy by the use of operative laparoscopy.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
  References Top

1.
Jha S, Bosworth K, Quadri A, Ibrahim A. Ovarian ectopic pregnancy. BMJ Case Rep 2011;2011.  Back to cited text no. 1
    
2.
Tinelli A, Hudelist G, Malvasi A, Tinelli R. Laparoscopic management of ovarian pregnancy. JSLS 2008;12:169-72.  Back to cited text no. 2
    
3.
Hallatt JG. Primary ovarian pregnancy: A report of twenty-five cases. Am J Obstet Gynecol 1982;143:55-60.  Back to cited text no. 3
    
4.
Raziel A, Schachter M, Mordechai E, Friedler S, Panski M, Ron-El R. Ovarian pregnancy-a 12-year experience of 19 cases in one institution. Eur J Obstet Gynecol Reprod Biol 2004;114:92-6.  Back to cited text no. 4
    
5.
Fernandez H, Coste J, Job-Spira N. Controlled ovarian hyperstimulation as a risk factor for ectopic pregnancy. Obstet Gynecol 1991;78:656-9.  Back to cited text no. 5
    
6.
Plotti F, Di Giovanni A, Oliva C, Battaglia F, Plotti G. Bilateral ovarian pregnancy after intrauterine insemination and controlled ovarian stimulation. Fertil Steril 2008;90:2015.e3-5.  Back to cited text no. 6
    
7.
Stucki D, Buss J. The ectopic pregnancy, a diagnostic and therapeutic challenge. J Med Life 2008;1:40-8.  Back to cited text no. 7
    
8.
Habbu J, Read MD. Ovarian pregnancy successfully treated with methotrexate. J Obstet Gynaecol 2006;26:587-8.  Back to cited text no. 8
    
9.
Gaudoin MR, Coulter KL, Robins AM, Verghese A, Hanretty KP. Is the incidence of ovarian ectopic pregnancy increasing? Eur J Obstet Gynecol Reprod Biol 1996;70:141-3.  Back to cited text no. 9
    


    Figures

  [Figure 1], [Figure 2], [Figure 3]



 

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