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Midurethral sling procedures are regarded as standard therapies to treat female stress urinary incontinence. However, informed consent must be gained from the patients concerning the possibility of mesh complications. Furthermore, understanding of these complications is required by medical practitioners in general. A 59-year-old postmenopausal woman had undergone TVT surgery to treat stress urinary incontinence in our department 15 years ago. Due to genital bleeding which started 10 years later, she visited a gynecologist in another hospital and was referred to us due to vaginal erosion. During the pelvic examination, a cord-like structure was palpable on the right side of the anterior vaginal wall. Upon inspection of the vagina using a cystoscope, the foreign body attached to the anterior vaginal wall was clearly visible. After the diagnosis of vaginal mesh exposure, she underwent a transvaginal partial resection of the TVT tape. She had no recurrence of mesh exposure or stress urinary incontinence in a 6-month follow-up. Although infrequently reported in Japanese literature, medical practitioners must be cautious of mesh exposure that can occur long after midurethral sling procedures.

We present a case of pelvic organ prolapse and inguinal hernia worsened by a benign ovarian tumor with ascites. A 61-year-old woman was referred to us complaining of feeling of something protruding from her vagina. She was diagnosed with Stage III cystocele. Behavioral therapy was administered as she had only slight subjective symptoms. She visited us eight months later due to a rapid aggravation of cystocele and voiding difficulty. She subsequently developed acute abdominal pain caused by incarcerated inguinal hernia. Abdominal ultrasound, MRI and CT showed a 10.6×9.0 cm pelvic mass with ascites. As an ovarian cancer with peritoneal dissemination was suspected, she immediately underwent total abdominal hysterectomy, bilateral salpingo-oophorectomy and colposuspension. Pathological diagnosis was fibrothecoma, a benign ovarian tumor. Postoperative course was uneventful, and ascites quickly disappeared in a manner similar to Meigs syndrome. Although no procedure was done to manage inguinal hernia, it was unproblematic for 18 months, after that it worsened, necessitating hernial repair. She had no recurrence of prolapse or ascites.Increased intra-abdominal pressure due to abdominal mass or ascites can worsen prolapse and hernial diseases such as inguinal, umbilical, and abdominal hernia. In this case, ovarian fibrothecoma with ascites seemed to be responsible for worsening of the prolapse and inguinal hernia. To conclude, it is important to consider background diseases when examining patients with prolapse and coexisting hernial diseases.

(Case) A 56-year-old woman who complained of urinary frequency and macrohematuria. Abdominal US, enhanced CT and MRI revealed a left renal tumor. A left radical nephrectomy was performed in May 1997, and the pathological diagnosis was renal fibrosarcoma. Follow-up computed CT was performed routinely. A metastatic lesion in the right lung revealed 19 months after the nephrectomy.She underwent partial pneumonectomy in January 1999, and the pathological diagnosis was also fibrosarcoma. She was followed up until 2009 without recurrence.In 2015, she was admitted in the Department of Orthopedics due to femoral neck fracture in 2015, thus we could find out she was alive, tumor-free 18 years after the nephrectomy. We added the immunohistochemistical study to her specimen of kidney and lung, and the diagnosis was changed to undifferentiated/unclassified sarcoma. (Conclusion) Metastatic renal sarcoma has a poor prognosis in general. We experienced a long-term survival case of undifferentiated/unclassified renal sarcoma with lung metastasis, and report it with some literature review.

We experienced two cases of urethral prolapse misdiagnosed as pelvic organ prolapse. One patient, an 87-year-old woman, was referred to us from a gynecological clinic with a supposed uterine prolapse. The other patient, an 84-year-old woman, was referred to us from the Department of Urology in a general hospital with a supposed recurrence of cystocele following a transvaginal mesh repair. We diagnosed both of them as having a urethral prolapse through pelvic examination and cystoscopy. Both patients were treated uneventfully with the four-quadrant excisional technique. Urethral prolapse is a relatively rare disease and as such, urologists and gynecologists may have little exposure to the symptoms in a clinical setting, resulting to misdiagnosis or delayed diagnosis. We discussed the differential diagnosis of urethral prolapse.

(Objective) A rise of intra-abdominal pressure may exacerbate pelvic organ prolapse (POP) as well as abdominal hernias. This paper aims to assess the possible risk factors of an abdominal mass and ascites as comorbidities of POP. (Methods) We retrospectively reviewed the medical charts of 2,748 POP patients between 2010 and 2016 and extracted eight cases (0.3%) with abdominal mass and ascites as risk factors. (Results) All eight patients were multiparous women aged between 52 and 88 years old. Three patients (cases 1-3) were referred to us for surgery related to POP from gynecologists with previously undetected ovarian tumors. In case 1, we noticed abdominal distension during a transvaginal mesh (TVM) operation. Postoperative CT and MRI scans confirmed the presence of an ovarian tumor 24 cm in diameter (mucinous cystic tumor, borderline malignant). In case 2, transvaginal ultrasound could not detect the ovaries, but a transabdominal ultrasound, which was done to investigate urinary retention, revealed an ovarian tumor 18 cm in diameter (mucinous cystic adenoma). In case 3, a detailed patient history outlined the patient's sense of abdominal fullness and a transvaginal ultrasound found ovarian cancer 10 cm in diameter with ascites (serous adenocarcinoma). Case 4 suffered from autosomal dominant polycystic kidney disease (ADPKD) with large liver cysts. The patient underwent a TVM operation to treat the presenting POP with unusual bleeding (460 g). Case 5 had abdominal distension and cystocele due to huge abdominal mass (recurrence of malignant lymphoma); she desired conservative follow-up to tumor and POP due to old age (88 years old). Two patients suffered from end-stage cancer (case 6: colorectal cancer, case 7: breast cancer) with liver metastasis. In cases 6 and 7, the patients' POP worsened with the increase of ascites, which was managed conservatively. Case 8 presented with liver cirrhosis related ascites and a total uterine prolapse, simultaneously. Colpocleisis was cancelled due to the onset of hepatic coma. (Conclusions) Abdominal mass and ascites are risk factors of POP by increasing abdominal pressure and lesions such as ovarian tumors may present as POP. Even when POP patients are referred from gynecologists, a vaginal examination, carefully recorded patient history, and abdominal palpation should be included as part of a standard treatment regimen to reliably exclude underlying diseases.

(Objective) A FDA alert in 2011 warned about postoperative chronic pain following transvaginal mesh (TVM) for pelvic organ prolapse (POP). We studied cases with chronic pain after TVM, natural tissue repair (NTR) and laparoscopic salcocopopexy (LSC). (Methods) We retrospectively reviewed medical charts of patients who underwent POP operations in our hospital or were referred to us after POP operations in other hospitals between 2006 and 2016. Postoperative chronic pain was defined as persistent pain for more than three months following the first three months from the time of POP operations.Patients' characteristics and treatments were analyzed. (Results) In patients who underwent POP operations in our hospital, the rates of chronic postoperative pain after TVM, NTR and LSC were 12/2,457 (0.49%), 1/402 (0.26%) and 0/29 (0%), respectively. Another 8 patients were referred to us after POP operations in other hospitals. Thus, a total of 21 patients (15: TVM, 6: NTR) had either medications, surgical treatment or were referred to other doctors due to postoperative chronic pain. All of them were parous women aged 53 to 81 years old. Preoperative chronic pelvic pain was found in seven patients (33%), and another four patients (19%) had orthopedic diseases with chronic pain. The main locations of pain were; vagina 11, vulva 2, urinary bladder 2, urethra 1, coccyx 1, buttocks 1, anus 1, perineum 1 and groin 1. Nineteen patients had pharmacological treatment using tricyclic antidepressants, Ca 2+ channel α 2 δ ligand and/or serotonin-noradrenalin reuptake inhibitor (SNRI); 9 (47%) of the patients showed a notable improvement. Three patients following TVM had surgical treatment; one with bladder mesh exposure was resolved with TURis, one with vaginal mesh exposure was resolved with mesh trimming, but one with tenderness on the mesh arm did not improve after a partial mesh removal. Four patients were referred to pain clinics. (Conclusions) Postoperative chronic pain can occur following both TVM and NTR therefore, attentive listening and proper medication are important as initial therapies. It is mandatory to examine the presence of mesh exposure in patients after using mesh. We should be careful about preoperative chronic pain, pelvic or elsewhere, as a risk factor for postoperative chronic pain.

(Case) A 31-year-old woman noticed lower abdominal pain and urinary incontinence after voiding one month after third cesarean section. Cystoscopy and cystourethrography demonstrated a vesicouterine fistula at the posterior wall of the bladder. She complained of paroxysmal lower abdominal pain and slight incontinence without urge after voiding several times a month, which presented before and after menorrhea. Breast-feeding was ended 1 year after the labor, and then she underwent LH-RH agonist to keep amenorrhea. Urinary incontinence resolved completely within five months of hormonal therapy. During 8 years' follow-up, she remains asymptomatic and cystourethrography did not demonstrate the leakage. (Discussion) Most cases of vesicouterine fistula have been managed by surgical repair. As the pathophysiology of this disease resembles endometriosis, less-invasive hormonal therapy using LH-RH agonist can be a good treatment option before surgery.

Purpose: We report the detailed technique and results of transvaginal extraction of the kidney following laparoscopic nephrectomy., Patients and Methods: From August 2013 onward, we planned to perform transvaginal extraction of the kidney following laparoscopic nephrectomy in a total of 6 female patients. Of the 6 patients, 5 underwent the procedure. After completion of the primary laparoscopic nephrectomy and entrapping the removed kidney, the patients were placed in the supine lithotomy position. A transverse posterior colpotomy was created transvaginally at the apex of the posterior fornix. An opening was made in the peritoneum bluntly with the fingers under laparoscopic view. After the drawstring of the entrapped specimen was delivered into the vagina, the specimen was extracted intact via the vagina. When the vaginal wall was too tight for a large specimen, the incision was extended on the affected side. After removal of the specimen, the peritoneum was sutured laparoscopically, and the posterior colpotomy incision was repaired transvaginally., Results: Transvaginal extraction was successful in 5 patients. The mean operative time for the vaginal extraction procedure was 59 minutes. Blood loss was minimal. The mean specimen weight was 447 g (range 271 to 655 g). No intraoperative complications occurred. Postoperatively, one case needed intermittent catheterization for a few days because of temporal dysfunction of the bladder., Conclusions: Transvaginal extraction is an efficacious and minimally morbid technique for removing the intact kidney after laparoscopic nephrectomy.

Tension-free vaginal tape (TVT), a less-invasive variation of the suburethral sling, has been rapidly gaining popularity worldwide in the treatment of female stress urinary incontinence. We report on two cases of bladder stones composed of fatty acid calcium following TVT operations. Case 1: A 76-year-old woman with a history of hysterectomy due to cervical cancer was suffering from vault prolapse. The insertion of a ring pessary lead to the development of stress urinary incontinence, and she was referred to our hospital. As she was frail, sexually inactive, and elderly, she underwent partial colpocleisis (Le Fort operation) combined with a TVT operation. One-month postoperative videourodynamics and chain cystourethrography (CUG) using olive oil as the lubricant showed cure of incontinence and mild support of the urethra. Her maximum flow rate was 18.8 ml/s and no residual urine was observed. Six months postoperatively she developed postmiction pain and pyuria that were not improved by antibiotics. Cystoscopy showed a small bladder stone, whose removal cured cystitis. Case 2: A 49-year-old woman, with a history of abdominal hysterectomy due to myoma uteri, visited our hospital complaining of stress urinary incontinence. A periurethral collagen injection was only temporarily effective, and she underwent a TVT operation. A 1-month postoperative evaluation including chain CUG using olive oil as the lubricant showed cure of incontinence, mild support of the urethra, a maximum flow rate of 28.8 ml/s, and no residual urine. Two months postoperatively she developed miction pain and pyuria that were solved by removing a small bladder stone. Anti-incontinence surgery increases the risk of developing bladder stones due to either foreign bodies (bladder erosion) or obstruction. However, neither of our cases had these conditions; instead, both bladder stones were composed of fatty acid calcium that appeared to be related to the olive oil used as the lubricant in chain CUG. Only four cases (including ours) of bladder stones composed of fatty acid calcium have been documented, but they may indicate that care is necessary when using olive oil as a contrast medium or lubricant in the urinary tract. When a woman with a history of anti-incontinence surgery has persisting or recurrent cystitis, cystoscopy should be performed to exclude bladder erosion and stones.

Purpose: We describe our experience of sling removal performed after either the Vesica sling procedure (due to vaginal erosion or at the time of reoperation for recurrent stress incontinence) or the tension-free vaginal tape (TVT) procedure (due to persistent urinary retention)., Materials and Methods: From May 1997 to December 2002, we performed 19 Vesica sling procedures and 66 TVT procedures for the treatment of urodynamic stress incontinence. In the former procedures, four patients (21%) developed vaginal erosion and underwent total or partial removal of sling material (Hemashield made from bovine-collagen-injected woven polyester). In another three patients, stress incontinence recurred 2-4 years after the Vesica sling procedure, and they underwent total sling removal and the TVT procedure. Before using the urethral pull-down process (UPDP) in TVT procedures, 2 out of 23 patients (8.7%) developed persistent urinary retention and underwent either sling release alone or partial sling removal concomitant with a second TVT procedure. After the introduction of the UPDP, no patient developed urinary retention., Results: Three patients in whom total sling removal was performed due to vaginal erosion after a Vesica sling procedure developed recurrent stress incontinence. One patient who underwent partial sling removal remained continent, but vaginal erosion recurred 2 years later. Patients who had total sling removal and TVT procedures due to recurrent stress incontinence after Vesica sling procedure became continent with an uneventful postoperative course. One patient who underwent transvaginal release of TVT tape (polypropylene mesh) due to urinary retention after the TVT procedure developed recurrent stress incontinence, and the other who underwent partial removal of TVT tape and a second TVT procedure had resolution of urinary retention without recurrence of stress incontinence., Conclusion: Prompt and total sling removal should be recommended for vaginal erosion after the Vesica sling procedure. In patients with urinary retention after the TVT procedure, partial removal of TVT tape and a second TVT procedure using the UPDP to prevent overtightness may be a preferable choice to attain both continence and resolution of urinary retention.