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Dive into the research topics where Gerardo Zanetta is active.

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Featured researches published by Gerardo Zanetta.


British Journal of Obstetrics and Gynaecology | 1997

Conservative surgery for Stage I ovarian carcinoma in women of childbearing age

Gerardo Zanetta; Stefania Chiari; Sonia Rota; Giorgio Bratina; Andrea Maneo; Valter Torri; Costantino Mangioni

Objective To assess the results of a policy of tailored conservative surgical management for young women with stage I ovarian carcinomas.


Annals of Oncology | 1998

The accuracy of staging: An important prognostic determinator in stage I ovarian carcinoma A multivariate analysis

Gerardo Zanetta; Sonia Rota; S. Chiari; Cristina Bonazzi; G. Bratina; Valter Torri; Costantino Mangioni

BACKGROUND Several prognostic factors for stage I ovarian carcinoma have been analyzed. Some of them are biological and clinical in nature, but others such as the thoroughness of the staging procedure, the extent of the surgery and the philosophy of treatment, are defined by the human element. PATIENTS AND METHODS We reviewed the records of 351 patients with Stage I ovarian cancer who had been treated from 1981 to 1991. For all patients the following information was available: age, size of the tumor, FIGO sub-stage, tumor grade, histologic type, rupture of the tumor, cytology, extent of the staging and of the surgery (hysterectomy and bilateral salpingo-oophorectomy vs. fertility-conserving surgery) and use of adjuvant treatments. The thoroughness of the staging was defined as: optimal staging: total abdominal hysterectomy and bilateral salpingo-oophorectomy or fertility-conserving surgery, peritoneal cytology or washing, omentectomy, multiple peritoneal biopsies, sampling of the retroperitoneal nodes or formal lymphadenectomy, peritoneal staging: all the criteria described above were met with the exception of retroperitoneal sampling, incomplete staging: lack of any of the previously-cited criteria. RESULTS An optimal staging was performed in 100 patients, a peritoneal staging in 107 and an incomplete staging in 144. Radical surgery was performed in 295 women and fertility-conserving surgery in 56. With a median follow-up of 108 months (range 14-184) 64 patients had recurrence of the tumor. Fifty-three died of the disease, two are currently alive with disease and nine were salvaged by surgery and/or chemotherapy. In a multivariate analysis only the tumor grade and the type of staging were significant independent prognostic factors for both disease-free and overall survival. CONCLUSIONS As described by other authors, we confirm that tumor grade is the single most important biological prognostic factor in early ovarian carcinoma. The thoroughness of the staging impacts significantly on survival, particularly in poorly differentiated carcinomas. Fertility-sparing surgery is not associated with a worse outcome than standard radical surgery.


Annals of Oncology | 1998

Neoadjuvant chemotherapy with cisplatin, ifosfamide and paclitaxel for locally advanced squamous-cell cervical cancer

Gerardo Zanetta; A. Lissoni; Antonio Pellegrino; C. Sessa; Nicoletta Colombo; D. Gueli-Alletti; Costantino Mangioni

BACKGROUND Neoadjuvant chemotherapy is increasingly being used for the treatment of bulky and locally-advanced cervical cancer. Cisplatin and ifosfamide are known to be effective in cervical cancer, while paclitaxel is one of the promising new drugs for the treatment of this neoplasm. OBJECTIVE To assess the toxic effects and antitumor activity of a multidrug neoadjuvant regimen consisting of cisplatin, ifosfamide, and paclitaxel in bulky and locally advanced cervical cancer. PATIENTS AND METHODS Thirty-eight patients with pathology-confirmed squamous-cell cervical cancer (27 IB2-IIA, two IIB, eight IIIB, one IVA) were prospectively enrolled in the study. Their treatment consisted of paclitaxel 175 mg/m2 given over three hours on day 1, cisplatin 50 mg/m2 (75 mg/m2 in 10 patients), ifosfamide 5 g/m2 in a 24-hour continuous infusion and mesna 5 g/m2 in a 24-hour continuous infusion on day 2, and mesna 3 g/m2 in a 24-hour continuous infusion on day 3. The course was repeated every three weeks for three courses and all of the patients, except those with disease progression or who were inoperable, were scheduled for radical hysterectomy and pelvic lymphadenectomy. RESULTS All patients are evaluable for response. Eleven achieved clinical complete responses, 21 had partial responses, five had stable disease and one had progression of disease. Of 34 patients who underwent surgery, six (16%) had pathology-documented complete responses, seven (18%) had partial responses with only microscopic residual disease in the cervix, 19 had sub-optimal partial responses, and two had stable disease, for an overall response rate of 84% (95% confidence intervals (CI): 68.7%-94%). Grade 3-4 neutropenia was recorded for 27 (71%) patients, grade 3-4 thrombocytopenia for four (10.5%), and grade 2 peripheral neuropathy for two (2.5%). At a median follow-up of 16 months (range 7-22), 29 (76%) women are alive without recurrence, seven are alive with persistent/recurrent disease and two have died of their disease. CONCLUSIONS According to pathology examination, this regimen yields a 34% complete and optimal partial response rate with acceptable toxicity, and it should be prospectively compared to other regimens.


British Journal of Obstetrics and Gynaecology | 1996

The Burch colposuspension for women with and without detrusor overactivity

Mario Colombo; Gerardo Zanetta; Domenico Vitobello; Rodolfo Milani

Objective To compare the results of the Burch colposuspension in women with stress urinary incontinence and detrusor overactivity with those obtained in women with stress incontinence and stable bladders. Additionally, to analyse the value of two detrusor instability indexes and of standard cystometric parameters in predicting the surgical outcome.


BMJ | 1996

Role of puncture and aspiration in expectant management of simple ovarian cysts: a randomised study.

Gerardo Zanetta; Andrea Lissoni; Valter Torri; C. Dalla Valle; Diego Trio; Giovanni Rangoni; Costantino Mangioni

Abstract Objectives: To assess the potential of expectant management for simple ovarian cysts diagnosed by transabdominal or transvaginal ultrasonography. To compare the results of needle aspiration with those achieved with simple observation. Design: Randomised trial. Setting: Hospital department of obstetrics and gynaecology. Subjects: 278 women with simple cysts randomly allocated to simple observation (143) or ultrasound guided fine needle aspiration (135) between 1990 and 1994. Main outcome measures: Resolution of cyst or development of malignancy. Results: After six months 269 were available for follow up. The rate of resolution was 46% (59/128) with aspiration and 44.6% (63/141) with observation. Only the diameter of the cyst (P<0.0001) was a significant independent prognostic factor for resolution in a multivariate analysis. Age and treatment had no significant effect. One woman was subsequently found to have borderline malignant changes on histopathological examination. Her cyst was detected by transabdominal ultrasonography. Conclusions: Expectant management for up to six months does not cause risks for the patients and allows spontaneous resolution in over a third of cases, avoiding the costs and risks of unnecessary surgery. Aspiration does not provide better results than simple observation Key messages Most of these masses are benign After follow up of six months the rate of resolu- tion was similar in those who had had their cysts aspirated and those who had had them observed Only the diameter of the cyst was a significant independent prognostic factor for resolution A short expectant management is not risky for patients and allows resolution in more than a third of cases


Acta Obstetricia et Gynecologica Scandinavica | 1994

Color Doppler ultrasound in the preoperative assessment of adnexal masses

Gerardo Zanetta; Patrizia Vergani; Andrea Lissoni

Objective. To differentiate benign from malignant ovarian tumors preoperatively by means of transhaginal color Doppler ultrasound and to compare the sensitivity and specificity of this technique with that of conventional transvaginal ultrasound and CA 125 serum levels.


Tumori | 1996

BRAIN METASTASES FROM CERVICAL CARCINOMA

Gennaro Cormio; Antonio Pellegrino; Fabio Landoni; Michela Regallo; Gerardo Zanetta; Alessandro Colombo; Costantino Mangioni

Central nervous system (CNS) involvement by cervical carcinoma is uncommon. Out of 1,184 patients registered for invasive cervical carcinoma at our Institution between 1982 and 1994, 14 (1.18%) developed brain metastases. Median age at the time of CNS metastasis diagnosis was 52 years. Median interval between diagnosis of cervical cancer and documentation of brain involvement was 18 months. Clinical manifestation included motor weakness, headache, seizures, dizziness and visual disturbances. All lesions (8 multiple, 6 single) were contrast enhanced on computerized tomography scans and were located in the cerebrum (n=10), in the cerebellum (n=2), or in both (n=2). The CNS was the only site of detectable disease in 7 patients with recurrent disease. Eleven patients received only steroids, and 3 patients received radiotherapy. All 14 patients died, and median survival from diagnosis of brain metastases for the entire series was 4 months (range, 1-21). CNS metastases from cervical cancer are rare, and the prognosis for such patients appears poor.


Fertility and Sterility | 1995

Ultrasound-guided aspiration of endometriomas: possible applications and limitations

Gerardo Zanetta; Andrea Lissoni; Cristina Dalla Valle; Diego Trio; Mariarosa Pittelli; Giovanni Rangoni

OBJECTIVES To evaluate the role of needle aspiration in the management of endometriomas. DESIGN Retrospective evaluation of the activity of the section of interventional ultrasound in a single tertiary care institution. SETTING Department of Obstetrics and Gynecology, Ospedale S. Gerardo, Monza, University of Milan, Italy. PATIENTS Two hundred nine premenopausal patients underwent aspiration for diagnostic purpose (n = 166), for relief of symptoms (n = 25), or with therapeutic intent (n = 18). RESULTS Adequate material was obtained by all punctures. Early complications (self-limiting vagal symptoms or pain) occurred in eight cases. Short-term complications consisted of acute abdominal pain in three cases and infection in one. Three women required surgical treatment of the complication. At first examination after aspiration, persistence of the cyst was observed in all but four cases, including all cases who had undergone therapeutic aspiration. Nine patients reported relief of symptoms but six other patients referred onset or worsening of pelvic discomfort after aspiration. CONCLUSIONS Ultrasound-guided aspiration of endometriomas is feasible. The transvaginal route reduces early complication but implies a risk of infection of 1.3%. However, drainage alone is ineffective as a therapeutic procedure and the applications of aspiration of endometriomas appear limited to some cases with diagnostic intent.


Annals of Oncology | 1999

Paclitaxel, ifosfamide and cisplatin (TIP) chemotherapy for recurrent or persistent squamous-cell cervical cancer

Gerardo Zanetta; F. Fei; G. Parma; M. Balestrino; A. Lissoni; Antonio Gabriele; Costantino Mangioni

PURPOSE The results of salvage chemotherapy for recurrent or persistent squamous-cell cervical cancer are unsatisfactory. Cisplatin and Ifosfamide are effective compounds in cervical cancer. Paclitaxel has recently been tested with promising results. The aim of this study was to assess the efficacy of a combination of paclitaxel, ifosfamide and cisplatin (TIP) for persistent/recurrent squamous-cell cervical carcinoma in a phase II trial. PATIENTS AND METHODS Forty-five women were treated with the TIP regimen. Thirty-one had received prior irradiation. Paclitaxel was given at a dose of 175 mg/m2, ifosfamide at a dose of 5 g/m2, and cisplatin at a dose of 75 mg/m2 (50 mg/m2 in irradiated patients) at three-week intervals. RESULTS We observed 15 clinical complete responses, 15 partial responses, 9 stable diseases and 6 progressions. The objective response rate was 67% (95% confidence interval: 51%-81%). Ten complete responders underwent subsequent surgery and seven had pathology-defined complete responses (two in irradiated areas). The response rate was 52% in irradiated and 75% in non-irradiated areas. The median survival for non-responders is 6 months, 9+ month for partial responders and 13+ for complete responders. The most relevant side effect was myelotoxicity, with 91% of patients experiencing grade 3-4. One woman had life-threatening toxic effects. CONCLUSIONS This combination is highly effective for salvage treatment in non-irradiated patients. For irradiated women the response rate is higher than that observed with other regimens but further investigation is warranted. The toxicity is relevant but adequate hydration and prolonged infusion of ifosfamide make it acceptable.


Obstetrics & Gynecology | 1996

Prevention of postoperative urinary stress incontinence after surgery for genitourinary prolapse

Mario Colombo; Angelo Maggioni; Gerardo Zanetta; Michele Vignali; Rodolfo Milani

Objective To compare cystopexy alone versus cystopexy with posterior pubourethral ligaments plication for the occurrence of postoperative stress incontinence after prolapse surgery, and to compare the two surgical series in terms of complications and urodynamic effects. Methods One hundred two continent patients randomly underwent cystopexy alone (N = 52) or cystopexy with posterior pubourethral ligaments plication (N = 50). All had a urethrocystocele grade 2 or greater and a negative stress test with the prolapse repositioned. A full urodynamic investigation was repeated 6 months after surgery. Results Twelve (23%) and 14 (28%) patients (P = .73) required intermittent self-catheterization for 11.1 ± 5.1 and 16.5 ± 11.1 days, respectively (cystopexy alone versus cystopexy with posterior pubourethral ligaments plication, P = .002). Long-lasting difficulties in voiding were present in zero and five (10%) patients (P = .02). One subject receiving posterior pubourethral ligaments plication underwent urethral dilation for complete urinary retention. At 1 year follow-up, four patients (8%) in each series developed postoperative stress incontinence (P = .62). Symptomatic detrusor instability complicated the postoperative course in one patient (2%) of each group. Conclusion Cystopexy alone implied lower morbidity in terms of resumption of spontaneous voiding and long-lasting difficulties in voiding. The procedure could be recommended as an effective and safe treatment for continent patients with severe urethrocystocele. Additional plication of the posterior pubourethral ligaments did not seem superior to cystopexy alone in preventing the postoperative occurrence of stress incontinence.

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Alessandro Colombo

European Institute of Oncology

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Rodolfo Milani

University of Milano-Bicocca

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