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      MANEJO QUIRÚRGICO DEL TERATOMA MADURO: ¿LAPAROSCOPIA O LAPAROTOMÍA?

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          Abstract

          Objetivos: Definir los criterios de selección para la vía de abordaje por laparotomía versus laparoscopia. Método: Estudio retrospectivo de los casos de teratoma maduro manejados entre los años 1991 y 2003. Resultados: Los teratomas maduros corresponden al 14% de los tumores ováricos. La edad de presentación correspondió mayoritariamente a mujeres en edad reproductiva (67%). Trece casos se presentaron en embarazadas, 11 durante la cesárea. La presentación más frecuente fue como hallazgo clínico o a la ultra-sonografía pelviana durante el estudio por otra patología. En la mitad de los casos el abordaje fue por vía la-paroscópica (LPX). En tumores mayores de 9 cm, se privilegió la laparotomía (LPE) (p<0,05). Se privilegió la cirugía conservadora, habitualmente la tumorectomía o quistectomía. El grupo tratado vía LPX registró un mayor tiempo operatorio (p<0,0007). Los requerimientos de analgesia, tiempo de ayuno postoperatorio y estadía hospitalaria fueron menores comparado con la vía LPE (p<0,05). La incidencia de complicaciones postoperatorias fue similar en ambos grupos; la rotura intraoperatoria fue mayor en LPX (26% versus 12%, p=NS). Bilateralidad de 5,5% y coexistencia de diferenciación maligna menor a 1%. Conclusiones: Nuestros resultados apoyan el abordaje laparoscópico para el tratamiento del teratoma maduro del ovario, en tumores menores de 9 cm esta debiese ser de elección. Ofrece similares tasas de éxito que la laparotomía en términos de cirugía conservadora y complicaciones, con menor requerimiento de analgesia, menor estadía hospitalaria y reintegro laboral precoz

          Translated abstract

          Objectives: To define selection criteria for surgical approach, laparoscopy or laparotomy. Methods: A retrospectivo analysis of cases diagnosed and treated between 1991 and 2003 was conducted. All clinical charts of treated cases were reviewed. Results: Mature teratomas represented about 14% of ovarían tumors. The age of presentation was mainly at reproductive age (67%). Thirteen cases were diagnosed during pregnancy and eleven of them were found at the time of a cesarean section. The most frequent form of clinical presentation was as an incidental finding during clinical examination or pelvic ultrasound made while studying by other pathologies. In about a half of cases the chosen surgical approach was laparoscopy (LPX). In tumors biggerthan 9 cm, an open approach by laparotomy (LPE) was preferred (p<0.05). Independently of surgical approach, a conservative surgery was performed, usually an ovarían cystectomy or tumorectomy. For LPX group operative time was significantly longer (p<0.0007). However, analgesia requirements, the postoperati-ve starvation period, and time to hospital discharge were significantly shorter in this group compared with the LPE group (p<0.05). The incidence of complications was similar in both groups, the intraoperative rupture of teratoma was higher in the LPX group (26% vs. 12%, p=NS). Bilateralism and coexistence of malignant differentiation were 5.5% and less than 1 %, respectively. Conclusions: Our results support the laparoscopic approach in the management of mature teratoma of the ovary. Tumor size influences the medical decisión on surgical approach. Laparoscopy should be chosen with teratomas less than 9 cm. This approach offers similar outcome as obtained by laparotomy in terms of conservative surgery, complication rate and less requirement of analgesia, time in hospital stay and earlier labor reincorporation

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          Mature cystic teratoma: a clinicopathologic evaluation of 517 cases and review of the literature.

          To evaluate the clinical and pathologic presentation of mature cystic teratomas and the trends in management over a 14-year study period. Tumor registry data and medical records between January 1, 1975 and December 31, 1989 were analyzed with respect to patient age, tumor size, bilaterality, malignant transformation, and treatment. Five hundred seventy-three tumors were removed from 517 patients. The median and mean (+/- standard deviation) age was found to be 30 and 32 +/- 11.3 years, respectively. Three hundred ten (60%) of the patients were asymptomatic. The mean tumor size was 6.4 +/- 3.5 cm. The bilaterality rate was 10.8%. The rate of torsion was 3.5%; larger tumors underwent torsion more frequently than smaller tumors (P = .029). The rate of malignant transformation was 0.17%. The mean cyst diameter for patients undergoing cystectomy was 5.7 +/- 2.4 cm; for oophorectomy, 8.0 +/- 4.1 cm; and for hysterectomy, 6.1 +/- 3.8 cm. Oophorectomies were performed for larger tumors when compared to cystectomies (P = .01). The number of hysterectomies was stable throughout the study period, whereas the number of oophorectomies decreased and the number of cystectomies increased markedly. Contralateral ovarian biopsy was common (48.5%) early in the study period. By 1989, the biopsy rate was less than 1%. We found the prevalence rates of symptomatic tumors, torsion, and malignant degeneration to be less than those previously reported by most other investigators. In addition, there has been an important change over the past 14 years in the management of these neoplasms, with an increased tendency for ovarian preservation, as evidenced by the more frequent use of cystectomy and a decrease in contralateral ovarian biopsy.
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            A randomized prospective study of laparoscopy and laparotomy in the management of benign ovarian masses.

            Our purpose was to compare the results of laparoscopy with laparotomy in the management of ovarian masses not suspected to be malignant. In a prospective randomized study 102 patients requiring surgical management of ovarian masses were randomly assigned to laparoscopy (52) or laparotomy (50) in a teaching hospital from July 1994 to September 1995. Inclusion criteria was tumor not suspected to be malignant with a diameter of 70% of cases in each group. Operating time was not increased with the laparoscopic approach, and the frequency of inadvertent rupture of the ovarian masses was just as high as in laparotomy. The laparoscopic approach was associated with a significant reduction in operative morbidity (odds ratio 0.34, 95% confidence interval 0.13 to 0.88), postoperative pain and analgesic requirement, hospital stay, and recovery period. Patients in general were satisfied with the operation, but significantly more patients were satisfied with the laparoscopy scar. Operative laparoscopy should replace laparotomy in the management of benign ovarian masses.
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              Managing mature cystic teratomas of the ovary.

              Mature cystic teratomas (MCT), commonly called dermoid cysts, are the most common benign germ cell tumors of the ovary in women of reproductive age. Future fertility is of major concern among these women; therefore, the surgical management must focus on preserving ovarian tissue and minimizing adhesion formation. Patients requiring surgery should be appropriately counseled about the risks and benefits of laparoscopy and laparotomy, the risks of intraoperative MCT spillage and adhesion formation. In addition, the risks of recurrence and malignant transformation should be discussed. The parents of children with MCTs have the same concerns as older women and a similar discussion should take place. The goal of this article is to review these issues and provide the physician with the information to counsel their patients preoperatively.
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                Author and article information

                Journal
                rchog
                Revista chilena de obstetricia y ginecología
                Rev. chil. obstet. ginecol.
                Sociedad Chilena de Obstetricia y Ginecología (Santiago, , Chile )
                0048-766X
                0717-7526
                2008
                : 73
                : 1
                : 42-50
                Affiliations
                [03] orgnameUniversidad de Chile orgdiv1Hospital San Borja Arriarán orgdiv2Departamento de Obstetricia y Ginecología Chile
                [04] orgnamePontificia Universidad Católica de Chile orgdiv1Escuela de Medicina orgdiv2Departamento de Anatomía Patológica Chile
                [01] orgnamePontificia Universidad Católica de Chile orgdiv1Programa de Obstetricia y Ginecología Chile
                [02] orgnameUniversidad de Chile orgdiv1Hospital San Borja Arriarán orgdiv2Programa de Obstetricia y Ginecología Chile
                Article
                S0717-75262008000100008 S0717-7526(08)07300108
                10.4067/S0717-75262008000100008
                fc14dd82-983f-4c6b-835b-4bb128ea4c76

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                SciELO Chile

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                Trabajos Originales

                laparotomía,teratoma maduro,laparoscopia,laparoscopy,laparotomy,Dermoid cyst,mature teratoma,Quiste dermoide

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