Madhusudan Haldar1, Shyamal Dasgupta1, Shamim Khandaker2*, Shabana Munshi2, Nabojibon Mondal3 and Sudhir Adhikari4
1Assistant Professor, NBMC, Department of O&G, North Bengal Medical College, Sushrutanagar, Darjeeling, India
2RMO cum Clinical tutor, NBMC, Department of O&G, North Bengal Medical College, Sushrutanagar, Darjeeling, India
3PG student, NBMC, Department of O&G, North Bengal Medical College, Sushrutanagar, Darjeeling, India
4Professor and Head of Department of Obst & Gyn, NBMC, Department of O&G, North Bengal Medical College, Sushrutanagar, Darjeeling, India
Received: 23 July, 2014; Accepted: 23 July, 2014; Published: 14 August, 2014
Shamim Khandaker, RMO cum Clinical tutor, NBMC, Department of O&G, North Bengal Medical College, Sushrutanagar, Darjeeling, India, Email: firstname.lastname@example.org
Haldar M, Dasgupta S, Khandaker S, Munshi S, Mondal N, et al. (2014) An Unusual Case of Recurrent Pyocolpos Following Midtrimester Miscarriage Revealed as Obstructed Hemivagina with Ipsilateral Renal Agenesis (OHVIRA) Syndrome. Global J Med Clin Case Reports 1(1): 021-023. DOI: 10.17352/2455-5282.000006
© 2014 Haldar M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Uterus didelphys; Obstructed hemivagina; Vaginal septum excision; Ultrasound; MRI
Obstructed hemivagina with ipsilateral renal agenesis (OHVIRA Syndrome) is a rare congenital anomaly. It mostly presents with severe dysmenorrhea and a palpable mass due to unilateral hematocolpos. Sometime it presents in unusual way with prolonged vaginal bleeding and profuse vaginal discharge. We report a case of an 18-year-old married female with OHVIRA syndrome presenting late with symptoms of recurrent pyocolpos following dilatation and evacuation for midtrimester miscarriage that was diagnosed on the basis of MRI and managed by vaginal septotomy.
The prevalence of congenital Mullerian duct anomalies is 1% . The syndrome of obstructed hemivagina and ipsilateral renal anomaly (OHVIRA) is a rare congenital anomaly of the Mullerian ducts (paramesonephric) and Wolffian structures (mesonephric). It usually includes unilateral renal anomalies and uterine didelphys . The triad is initially reported in 1950. Most of the women suffering from OHVIRA syndrome are diagnosed late due to the rare incidence and the non specific clinical presentation. Moreover, the menstrual flow that comes from the patent unobstructed hemivagina gives the appearance of normal menses. Consequently accurate diagnosis and surgical treatment can be delayed for several months or even years. We present a case report of a patient with the triad of uterus didelphys, obstructed hemivagina and ipsilateral renal agenesis managed presenting late with symptoms of recurrent pyocolpos following dilatation and evacuation for midtrimester miscarriage.
An 18 years old, Indian, female who was married since 3 years presented with profuse foul smelling discharge per vagina along with cyclical dysmenorrhoea. She has a history of spontaneous miscarriage at 16 weeks of gestation 2 years earlier for which she has undergone dilatation and evacuation of the uterine cavity. Her symptom of profuse foul smelling vaginal discharge starts 2-3 weeks after the surgical intervention for which she seek medical advice and treated with antibiotics. Despite several antibiotic courses her symptom became recurrent and debilitating; causing poor quality of life. She was ultimately referred to our unit in a tertiary care hospital. Her menarche was at 12 years of age with regular cycle and duration of 4-5 days but blood mixed discharge continued for another 5-6 days; for which she did not consulted at that time. She had also given history of cyclical dysmenorrhoea but not debilitating and treated with NSAIDS.
On per vaginal examination, no hymen was found; a 2×3 cm bulge was felt in the right vaginal wall with presence of one cervix deviated more towards left side. Transvaginal ultrasonography showed evidence of bicornuate bicollis uterus with right sided mild endocervical collection. MRI of lower abdomen and pelvis was advised for better clinical correlation. MRI report (plain study) revealed there were two separate uterine cavity (right uterus measures 55×28×25 mm and left uterus measures 60×31×25 mm) and medial surface of the two separate uterus partially fused with two separate cervix. Two separate vagina was seen and right vagina was filled up with fluid, blood products (hematocolpos) with air (? infected). There was also single left kidney of normal size, shape and signal intensity with no hydronephrosis and hydroureter. Intravenous pyelogram confirmed that there was no right kidney and presence of left kidney with normal excretory function. The diagnosis of obstructed hemivagina with ipsilateral renal agenesis (OHVIRA) syndrome was made. She was taken up for operation after proper preoperative evaluation; where the right sided vaginal bulge was incised. On incision foul smelling pus came out which was sent for culture and sensitivity. On exploration of the incised vaginal septum a cervix was found on the right side. Vaginal septum was excised till the junction of both cervixes with haemostasis of the septum margin. Postoperatively she was given broad spectrum antibiotics with uneventful post operative period.
The exact aetiology and pathogenesis of OHVIRA syndrome is still unknown. Vaginal development requires the fusion of the mesodermal Müllerian ducts and the endodermal urogenital sinus (UGS). The caudal tip of the utero-vaginal protrusion (UVP) inserts into the dorsal wall of the UGS forming the Müllerian or sinus tubercle. The sinus tubercle induces the formation of paired endodermal evaginations- the sinovaginal bulbs. Sinovaginal bulb is a solid core extending from UGS to caudal portion of UVP; which completes canalization at 20 weeks . Mijsberg  identified the sinovaginal bulbs as “Wolffian bulbs” and suggested they are derivatives of the caudal aspects of the Wolffian (mesonephric) and paramesonephric (Müllerian) ducts. Acien concluded that the histopathologic findings, suggested a role for the Wolffian ducts in vaginal formation . According to this theory; absence of the opening of caudal portion of one of the Wolffian ducts into the urogenital sinus along with absence of the urethral bud sprouting is the cause of unilateral renal agenesis associated with imperforate hemivagina. The “inductor” function of the Wolffian duct on the Müllerian duct is also failing and there is usually utero-vaginal duplicity associated with blind hemivagina with the ipsilateral renal agenesis . On the side where the Wolffian duct is absent the Müllerian duct is displaced laterally so it cannot fuse with the contralateral duct, resulting in didelphic uterus, and cannot come into contact with the urogenital sinus centrally .
OHVIRA syndrome is rare and lack of awareness of this syndrome frequently leads to delayed diagnosis or misdiagnosis. The classical presentation is that of a young girl presenting with severe cyclical dysmenorrhea, after attaining menarche. Usually they are treated symptomatically until they develop an abdominal mass and pressure symptoms. Pelvic pain is the most common presenting symptom (90%) followed by an abdominal mass (40%) and pressure symptoms . Infrequently longitudinal vaginal septa will be found to be only partially obstructing and a small opening in the septum can be found during menses with close inspection. These patient presents with irregular and prolonged bleeding to profuse vaginal discharge; as in our patient. Occasionally, the pinpoint opening provides a pathway for organisms to access the obstructed vagina leading to pelvic infection and pyocolpos . Sometime they can also present at a later age with foul smelling vaginal discharge due to pyocolpos . Physical examination is unlikely to reveal a tense bulge, but a slight fullness may sometimes be appreciated in the paravaginal area.
Along with dilated hemivagina (haematocolpos), a dilated uterine cavity (haematometros) and fallopian tube (haematosalpinx) may occur. Sometime haemoperitoneum can also noted as a consequence of blood stasis and retrograde menstruation and ultimately leads to endometriosis with its implication on future fertility [9,10]. Ultrasonography especially transvaginal (TVS) can make the diagnosis as it is readily available, quick, economic and without radiation exposure . Three-dimensional (3D) ultrasound has the potential of becoming the imaging standard. However, MRI is currently considered the best imaging modality .
Surgical excision of the septum and drainage of the obstructed vagina is the definitive treatment . Early recognition along with obstructing vaginal septum resection is necessary for prevention of complications related to chronic cryptomenorrhoea, such as endometriosis, pelvic adhesions, and infectious collections (pyocolpos, pyometros and pyosalpinx) along with preservation of fertility .
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