Percutaneous reduction of ureterosciatic hernia

Ureterosciatic Hernia in Focus: A Narrative Review of the Literature

Pelvic herniation of the ureter through anatomical musculoskeletal foramina stands out as one of the rarest causes of ureteric obstruction. Historically, most cases have been documented as incidental intraoperative findings. The herniation of the ureter through the sciatic foramen presents as a particularly uncommon variant of this condition, distinguished by its potential to cause life-threatening sepsis or renal failure if not promptly recognized and treated. The diagnostic process remains challenging, attributed partly to the vague initial symptomatology and subtle radiological findings, and second, to the rarity of this condition. This challenge may be further compounded by the lack of a clear description of clinical features and pathways to raise clinician suspicion. In light of these considerations, we conducted this literature review to illuminate this unique cause of obstructive uropathy, aiming to delineate its clinical features and explore common diagnostic and treatment options.

One case report of laparoscopic biological patch repair for the ureterosciatic hernia and literature review

Ureterosciatic hernia is a very rare disease worldwide. We report a successful case of laparoscopic biological repair of large ureteral hernia. Preoperative CT examination showed ureterosciatic hernia with incarceration and proximal ureteral dilatation. Laparoscopic ureteral incarceration release, ureteral stent placement and biological patch repair of sciatic foramen hernia were performed. Under the observation of laparoscope, the stent was placed through urethra with cystoscope to restore the course of ureter. A biological patch was placed behind the ureter to cover the closed hernia ring. We have been followed up for 2 months after operation. According to the reexamination, the effect is obvious. Laparoscopic biological patch repair for ureteral sciatic foramen hernia has the advantages of less trauma, convenient operation and ideal prognosis in theory.

Urosepsis secondary to ureterosciatic hernia corrected with ureteral stent placement: a case report and literature review

BACKGROUND

Ureterosciatic hernia is a rare type of pelvic floor herniation that occurs through the sciatic foramen. The resulting ureteral obstruction may lead to hydronephrosis and to further complications including urinary tract infection and urosepsis. There have been 30 reported cases of ureterosciatic hernia. Ureteral stenting and surgical repair have been used as treatment options.

CASE PRESENTATION

We report the case of an 86-year-old woman who was transferred to Tokyo Metropolitan Bokutoh Hospital with symptoms of fever and septic shock. Her computed tomography scan revealed left hydronephrosis and deviation of the left ureter into the sciatic foramen; she was therefore diagnosed with a left ureteral sciatic hernia and admitted in our intensive care unit for further treatment with resuscitative fluids, vasopressors, and antibiotics. Following a retrograde insertion ureteral catheter insertion, ureteral incarceration was relieved, and a double-J ureteral stent was placed in situ. Antibiotic treatment was initiated, and the patient's hemodynamic status gradually improved.

CONCLUSIONS

Although ureterosciatic hernia is a rare disorder, it is associated with serious complications including urinary tract infection with sepsis, which may warrant urgent corrective procedure to relieve the structural obstruction. Treatment may be conservative or surgical, though treatment with ureteral stent placement may be a favorable approach in elderly patients with multiple comorbidities presenting with urosepsis.

Bilateral sciatic hernias in an elderly woman successfully managed with robotic surgery: A case report and literature review

Introduction

Sciatic hernias are the rarest form of pelvic floor hernias as well as an uncommon cause of sciatica. A high index of suspicion is required to make the diagnosis due to its variable clinical presentation. This is the first case describing bilateral intestinal sciatic hernia, diagnosis, and robotic surgical repair.

Presentation of case

A 77-year-old female with history of chronic back pain and diverticulitis presented with three weeks of abdominal pain, radiating down her legs bilaterally. Computed tomography (CT) revealed bilateral sciatic notch hernias without evidence of bowel obstruction. Magnetic resonance imaging (MRI) confirmed compression of the sciatic nerves within the sciatic notch bilaterally. She underwent robotic bilateral retroperitoneal sciatic notch hernia repair successfully.

Discussion

There are several independent causes of abdominal pain and bilateral radiating leg pain. Sciatic hernias are an unusual cause of both. Aside from bowel, the hernia can involve other structures, such as the bladder, ureters, or ovaries, potentially creating drastically different clinical pictures. Laparoscopic or robotic repair have been proven superior to open surgery in the literature.

Conclusion

This case demonstrates that bilateral sciatic hernias can present as uncomplicated sciatica in an elderly patient, but the addition of seemingly unrelated abdominal pain should warrant further investigation. Minimally invasive robotic repair can successfully treat sciatic hernias.

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Sciatic hernias are the rare pelvic floor hernias with variable presentations.

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First case of diagnosis and surgical repair of bilateral sciatic hernias

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Minimally-invasive robotic repair can successfully treat sciatic hernias.

Ureterosciatic hernia with concomitant Amyand hernia: Case report and review of the literature

Ureterosciatic hernias are extremely rare, with fewer than 40 cases reported in the literature. We present a case of a patient with concurrent right ureterosciatic hernia (Lindbom hernia), ipsilateral bladder hernia, and appendix-containing inguinal hernia (Amyand hernia). These findings were discovered incidentally on imaging and the patient had no associated symptoms.

Ureterosciatic hernia causing obstructive uropathy successfully managed with minimally invasive procedures

Ureterosciatic hernia is extremely rare. In ureteral herniation, ureter prolapses occur through either the greater or lesser sciatic foramen. Atrophy of the piriformis muscle, hip joint diseases, and defects in the parietal pelvic fascia are predisposing factors for the development of ureterosciatic hernia. Most symptomatic patients have been treated surgically, with conservative treatment reserved only for asymptomatic patients. To the best of our knowledge, long-term follow-up outcomes after ureterosciatic hernia management are sparse. In this paper, we report the case of a 68-year-old woman who presented with colicky left abdominal pain. After computed tomography (CT) scan and anterograde pyelography, she was diagnosed ureterosciatic hernia with obstructive uropathy. We performed ureteral balloon dilatation and double-J ureteral stent placement. After this minimally invasive procedure, CT scan demonstrated that the left ureter had returned to its normal anatomical position without looping into the sciatic foramen. The patient remained asymptomatic with no adverse events 7 years after the minimally invasive procedures. This brief report describes ureterosciatic hernia successfully managed with minimally invasive procedures with long-term follow-up outcomes.

Accidental Ultrasound Finding of a Giant Intermuscular Gluteal Lipoma with Intrapelvic Extension: A Case Report

Lipomas represent the most common benign mesenchymal tumor. They are usually located subcutaneously and rarely become symptomatic. Occasionally pressure symptoms on adjacent neurovascular structures may be exerted, thereby causing functional impairment. Lipomas rarely grow larger than 5 cm, becoming the so-called giant lipomas, posing a real diagnostic and surgical challenge. We report an unusual case of a 43-year-old Caucasian female with an accidental pelvic ultrasound finding of a giant mass, which was also palpable over the right gluteal region. Interestingly the patient was free of any sciatic nerve compression symptoms. Magnetic resonance imaging (MRI) revealed a soft tissue tumor, partially located in between the external rotator muscles of the hip and the gluteus muscle. The tumor forced up and advanced through the great sciatic foramen into the pelvis. The patient underwent an uneventful complete and safe surgical excision of the gluteal mass, via a wide transgluteal approach. Pathology confirmed lipoma diagnosis. Patient is free from recurrence two years post operatively. Physicians involved in the diagnosis and treatment of gluteal masses should always consider in their differential diagnosis the presence of a sciatic hernia.

[URETEROSCIATIC HERNIA TREATED BY URETERAL STENT PLACEMENT]

Ureterosciatic hernia is an uncommon condition that can cause ureteral obstruction. Here, we report a case of ureterosciatic hernia successfully treated by ureteral stent placement. A 95-year old woman presented to our emergency department with high fever. An abdominal CT scan revealed mild left hydronephrosis and urinalysis identified pyuria. The patient was subsequently admitted to hospital with a diagnosis of complicated pyelonephritis. No recovery was evident after antimicrobial treatment, a repeat CT scan revealed a ureterosciatic hernia. We indwelled a left ureteral stent and repaired the hernia. We did not opt for a surgical approach because of the patient's age and presence of dementia. The stent was removed after 2 months, but the patient was re-admitted 4 months later because of pyelonephritis. Here, we indwelled a left ureteral stent, and the patient underwent regular ureteral stent exchange. Placement of a ureteral stent for ureterosciatic hernia is an effective treatment for elderly patients and those who are poor surgical candidates.

Ruptured Renal Pelvis Due to Obstruction by Ureterosciatic Hernia: A Rare Condition With a Rare Complication

Ureterosciatic hernia is an extremely rare condition. Here we report a case of ureterosciatic hernia presented with sudden loin pain, with contrast computed tomography and antegrade pyelogram demonstrating ureterosciatic hernia causing ureteric obstruction and renal pelvic rupture. Subsequently, laparotomy with hernia reduction and mesh repair was performed.

Treatment of ureterosciatic hernia with a ureteral stent

A 92-year-old woman was referred to our hospital from a family practice with the chief of complaint of vomiting. Subsequent computed tomography imaging revealed left hydroureteronephrosis without clear evidence of ureteral stones or ureteral tumors and that the lower part of the ureter was shifted to the outside of the cavum pelvis minor from the greater sciatic foramen. Retrograde pyelography was performed, and the shadow of a mass, which constricted and obstructed the distal left ureter, was observed. The patient was diagnosed with ureterosciatic hernia, and a left retrograde ureteral stent was indwelled and the hernia was repaired. Cases of ureterosciatic hernia are very rare. We describe one case of ureterosciatic hernia and review the relevant literature.

Minimally Invasive Endourological Techniques may Provide a Novel Method for Relieving Urinary Obstruction due to Ureterosciatic Herniation

Ureterosciatic herniation, the protrusion of the hernia sac through the sciatic foramen, is an extremely rare cause of ureteral obstruction. We describe a case revealed by severe left back pain in a 72-year-old female. She was referred to our hospital for urological assessment of left hydronephrosis observed by ultrasonography. Intravenous ureterography (IVU) showed findings compatible with a left sciatic ureter, a dilated ureter with a fixed kinking, which is known as the 'curlicue' sign. We decided to attempt recovery of the herniated ureter using a retrograde approach. Ureteral stent placement was performed to decompress the dilated upper urinary tract. The ureterosciatic hernia was relieved with the passage of a flexible guide wire and a double-pigtail stent. Three months after ureteral stenting, she refused continuing to have an indwelling stent and the stent was removed. Thereafter, IVU revealed recurrent ureterosciatic hernia; however, there was no hydroureter or hydronephrosis. The patient is currently being under observation for 6 years after stenting and continues to be without hydronephrosis or symptoms. Placement of an internal stent possibly provides the rigidity to the ureter, thereby reducing the hernia and urinary obstruction. In the previous reports, most symptomatic patients have been treated surgically, with conservative therapy reserved for asymptomatic patients. For the patient who is elderly or a poor surgical candidate, retrograde stenting may provide safe reduction and efficacious treatment. This endourological approach provides a minimally invasive means for the management of urinary obstruction caused by ureterosciatic herniation.

Giant gluteal lipoma presenting as a sciatic hernia

BACKGROUND

Sciatic hernia is considered to be the rarest hernia of pelvic floor with less than one hundred reports published worldwide. Lipoma in the hernia sac is even more unique pathology with only few cases reported in the literature. We report a case of gluteal lipoma protruding into pelvis, displacing rectum with bladder and presenting as a sciatic hernia.

CASE PRESENTATION

A 53-year-old male presented with an expanding, slightly reducible, right gluteal painful mass, back pain, dull pressure in lower abdomen and perianal region radiating to the right buttock, urgent urination and defecation. Lower back pain lasts for more than 7 years, other symptoms-6 months. No spinal pathology was found on X-ray. On examination patient seemed well nourished, BMI 29, abdomen was soft, without palpable masses or signs of peritonitis. Digital rectal examination showed no pathology. There was a reducible lump on the lateral side of right gluteus. Computer tomography (CT scan) demonstrated a large intra- and extra-pelvic fatty mass traversing the greater sciatic foramen. The tumor was surgically removed through lower middle laparotomy approach. Subsequent pathological examination revealed lipoma. The patient recovered uneventfully, was discharged 8 days later. MRI scan was advised following 1 year after the surgery.

CONCLUSION

The presence of a gluteal mass should always suggest the possibility of a sciatic hernia.

Sciatic hernia causing sciatica: MRI and MR neurography showing entrapment of sciatic nerve

Sciatic hernia is a rare condition with diverse clinical manifestations. We report a case of sciatic hernia causing sciatica, in which the diagnosis made on CT was subsequently confirmed on MRI including magnetic resonance neurography. The salient clinical and imaging features and a brief review are presented.

Hydronephrosis caused by ureterosciatic herniation

A 69-year-old woman with history of operation for stress urinary incontinence presented with left flank soreness. Physical examination revealed knocking tenderness at left costal-vertebral angle. Her serum creatinine level was 1.2 mg/dL and urine analysis was negative. Ultrasonography showed left hydronephrosis, and computed tomography scan revealed ureterosciatic herniation. An antegrade placement of the indwelling ureteral stent was performed. After 3 months, the double J catheter was removed and the patient recovered without recurrent symptoms.

Ureterosciatic hernia causes obstructive uropathy

Obstructive uropathy can be caused by urolithiasis, fibrotic ureteral stricture, inflammatory ureteritis with polyp formations, ureteral malignancy and various forms of external compression. Ureteral herniation is a relatively rare cause of obstructive uropathy and has been reported with herniation sites including inguinal canal, femoral canal and sciatic foramen. Most ureteral herniations occur in the inguinal area. In the literature, previous cases of sciatic ureter have been treated with observation in asymptomatic patients or with surgery in patients with obstructive uropathy or clinical symptomatology. We report the case of a 91-year-old female with asymptomatic hydronephrosis of the left kidney due to extremely rare ureterosciatic herniation. Her global renal function was acceptable. As she was elderly and a poor surgical candidate, watchful waiting was recommended after discussion with the patient and her family.

Ureterosciatic hernia: a rare cause of ureteral obstruction visualized by multislice helical computed tomography

Ureterosciatic herniation is an extremely rare cause of ureteral obstruction, of which few cases have been published. We describe a case revealed by pyelonephritis with acute renal failure in an 81-year-old woman. After percutaneous nephrostomy tube placement and antibiotic therapy, urography and multiplanar computed tomography reconstructions of the pelvis confirmed the diagnosis. The symptoms resolved, and the hernia was then corrected surgically.