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Giant inguinoscrotal hernia containing intestinal segments and urinary bladder successfully repaired by simple hernioplasty technique: a case report
© Tarchouli et al. 2015
Received: 22 April 2015
Accepted: 5 November 2015
Published: 28 November 2015
Giant inguinoscrotal hernias are extremely rare nowadays, but they may still be encountered after years or even decades of neglect. Such hernias containing both bowel loops and urinary bladder have not been reported in the medical literature to date, to the best of our knowledge.
We report a case of a 65-year-old Moroccan man who presented with giant right-sided and long-standing inguinoscrotal hernia with compromised quality of life due to walking difficulties and sexual discomfort. Computed tomography revealed a voluminous hernia sac containing small and large bowel loops, greater omentum, and urinary bladder. Surgical repair was done through the classical inguinal incision using the Lichtenstein tension-free hernioplasty technique. No debulking or abdominal enlargement procedure had to be performed, apart from a partial omentectomy.
Giant inguinoscrotal hernia containing intestinal segments and urinary bladder is a challenging surgical disease. A Lichtenstein tension-free technique seems to be the best surgical procedure for both the patient and the operating surgeon. It should be used whenever possible in such cases.
Although inguinal hernia is one of the most common surgical disease states encountered in medical practice, its treatment has evolved and has become easily accessible, especially in high-income countries. Thus, giant inguinal hernia has become extremely rare and appears only after years of neglect or lack of an accessible surgical facility. It is defined as an inguinal hernia that extends below the midpoint of the inner thigh in standing position . Because of the physiological changes associated with the loss of domain, surgical repair is often challenging and may lead to potentially fatal complications. Numerous surgical techniques have been described, but none has been adopted as a standard procedure. Further, reduction of the hernia contents via an enlarging internal inguinal ring is difficult and scarcely reported in the medical literature.
In this report, we describe an unusual case of a giant inguinoscrotal hernia containing bowel loops and urinary bladder, which we managed through the classical inguinal incision using the Lichtenstein tension-free hernioplasty technique. We also highlight different problems relative to the management of this uncommon disease.
In high-income countries, the diagnosis of inguinal hernia is usually made early, when the patient notices the development of swelling or groin pain. Given the potential hernia strangulation, surgical correction is often carried out without delay. Consequently, giant inguinoscrotal hernias have become extremely rare and are currently seen in clinical practice only after years or even decades of self-neglect [2, 3]. In addition to the classical complications of inguinal hernias, the massive size of giant hernias often causes difficulty in walking, sitting, or lying down, with mobility dramatically restricted. The penis may be buried inside the scrotum causing dribbling of urine over the scrotal skin, which is already congested by lymphatic and venous edema, leading to excoriation, ulceration, and secondary infection [4, 5]. Patients may also complain of difficulty in voiding and recurrent urinary tract infections, especially when the bladder is contained within the hernia sac. These specific problems severely impair the patient’s quality of life, with considerable psychological and social impact . In our patient, the small bowel with its mesentery, cecum with ascending colon, sigmoid colon, and greater omentum were found in a right-sided inguinoscrotal hernia, together with urinary bladder. Such a case has not been reported in the medical literature to date, to the best of our knowledge.
Repair of a giant inguinal hernia is a real challenge, even for experienced surgeons. Abrupt and forced reduction of massive contents of the hernia sac into the limited space of the peritoneal cavity leads to a sudden increase of intraabdominal and intrathoracic pressures. This can cause abdominal compartment syndrome, resulting in compromised respiratory and cardiac function due to splinting of the diaphragm and reduction of venous return . This syndrome is associated with a worsening of morbidity and mortality rates. In addition, reintroduction of the intestine into the abdomen may also cause intestinal obstruction, wound dehiscence, and hernia recurrence.
Surgical options for combating this loss of domain may be divided into either distending the abdominal wall to increase the abdominal space or debulking the abdominal contents. The enlargement of the peritoneal cavity by progressive preoperative pneumoperitoneum has been highly recommended in the past [8, 9], but usually it causes expansion of the thin hernia sac rather than the contracted abdominal cavity, requires prolonged preoperative hospitalization, and fails several times. However, lengthening of the abdominal wall has been described using prosthetic mesh and a scrotal skin flap after creating an anterior abdominal wall defect . Later, a modification was proposed by using the hernia sac as a peritoneal flap . Similarly, a tensor fasciae latae musculocutaneous flap was alternatively used to cover mesh at an anterior abdominal wall defect, and component separation techniques have also been described [12, 13]. As for debulking of the hernia contents, this approach, which includes resection of usually the colon, small intestine, or greater omentum, has also been reported with some success, but it is associated with a greater risk of prosthetic infection or anastomotic leakage [9, 14].
In our patient, none of these techniques were mandatory. Therefore, in spite of massive and specific content, we performed a forced reduction through only an enlarged deep inguinal ring. No debulking or abdominal enlargement procedure had to be performed, apart from a partial omentectomy. Operative repair was achieved through a standard inguinal incision with polypropylene mesh using the Lichtenstein tension-free technique. The mesh, positioned over the posterior wall of the inguinal canal, helps to strengthen the weakened abdominal wall, thus affording significant reduction of the risk of hernia recurrence. According to recent medical literature, current guidelines suggest the Lichtenstein technique as the preferred surgical option for repair of giant inguinal hernias [4, 15]. Moreover, close postoperative monitoring of intraabdominal and intrathoracic pressure is essential in the management of these patients. Our patient developed mild respiratory distress after surgery but was successfully managed in the intensive care unit. Otherwise, a compression bandage with adequate drainage should be implemented to prevent the development of a large scrotal hematoma. Additionally, most authors agree that the scrotal skin should be left redundant, as it retracts due to the dartos muscle contractions and acts as a safety net to allow the contents temporarily back into the scrotum if the patient develops postoperative respiratory compromise [7, 13].
Giant inguinal hernias are uncommonly encountered in modern surgical practice. However, surgical repair is challenging because of the potentially fatal complications related to increased intraabdominal pressure and the risk for recurrence, which is much higher than in other inguinal hernias. Therefore, adequate preoperative preparation, combined with intensive postoperative monitoring, is essential to obtaining good outcomes. The Lichtenstein tension-free technique seems to be the best surgical procedure for both the patient and the operating surgeon. It should be used whenever possible. Informed consent from the patient is needed to cover all possible surgical options, because the final decision regarding surgery is generally made intraoperatively.
Written informed consent was obtained from the patient for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
The authors thank the team of Department of Digestive Surgery I at Mohammed V Military Hospital for providing support and helping in the preparation of the manuscript.
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