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At least 163 records · Page 9Linked to original sources
PubMed1986

Endocrine modulation of gamma-aminobutyric acidergic innervation in the rat fallopian tube.

The present study investigates the effect of different endocrine manipulations on the gamma-aminobutyric acid (GABA)-ergic system in the rat fallopian tube. Either hypophysectomy or ovariectomy induced a significant decrease of glutamic acid decarboxylase (GAD) activity and of GABA levels in in situ tubes. This effect was completely reversed by either gonadotropins or combined estrogen-progesterone administration, respectively. Estrogen or progesterone alone proved less effective than the administration of both steroids in counteracting the effect of ovariectomy on GAD activity. The in vitro incubation of ovariectomized rat fallopian tubes with estrogen-progesterone for 1 h failed to counteract the reduction of the GAd activity induced by surgical manipulation. The in vivo effect of estrogen-progesterone administration on the GABA-ergic system seems to be specific since steroid treatment induced the synthesis of an enzyme which was immunologically identical to the GAD present in the fallopian tube and brain of normal diestrous rat. Autotransplantation of the fallopian tube under the skin brought about a decrease of GAD activity similar to that obtained after ovariectomy. In this situation, however, estrogen-progesterone administration did not counteract the decrease of GAD activity induced by fallopian tube deafferentation. The present results demonstrate that an interaction between the GABA-ergic system and the hypothalamo-pituitary-gonadal axis seems to be operative at the level of the rat fallopian tube. However, the physiological meaning of this interrelationship between the endocrine and the peripheral nervous systems remains to be clarified.

Animals↗
PubMed1995

Prognostic impact of DNA content and AUER classification in primary fallopian tube carcinoma.

DNA ploidy has been studied in 61 primary fallopian tube carcinomas using image-cytometry. The investigation also included survival analysis, and ploidy classification according to AUER was performed in order to evaluate its prognostic impact for fallopian tube carcinoma. A high number of aneuploid cases were observed (79% aneuploid vs. 21% euploid tumors). The high incidence of aneuploid tumors was consistently observed among all FIGO-stages as well as all groups of histologic grading. There was no correlation between ploidy and FIGO-stage or histologic grading. Patients with euploid DNA content showed a median survival of 34 months compared to 24 months for aneuploid cases (log-rank, P = 0.83). No correlation between the AUER classification and FIGO-stage or histologic grading could be observed. Tumors with an AUER type I and II (75th quantile 41 months) showed a better outcome than tumors with AUER III and IV (75th quantile 19 months). Although these results did not reach statistical significance (P = 0.07), a trend could be observed. Therefore AUER classification may be useful as an objective prognostic parameter. The high incidence of aneuploid tumors could be an expression of the high biologic aggressiveness of primary fallopian tube cancer which has been repeatedly mentioned in the past.

Adenocarcinoma↗
PubMed1994

Mucinous lesions of the fallopian tube. A report of seven cases.

Mucinous lesions of the fallopian tube mucosa are extremely rare and are of interest because of their association with other mucinous lesions of the female genital tract and with Peutz-Jeghers syndrome. Seven women with mucinous lesions of the fallopian tube were studied. Three had mucinous metaplasia alone, two had mucinous cystadenomas, one had bilateral mucinous neoplasms resembling ovarian mucinous tumors of low malignant potential, and one had mucinous adenocarcinoma in situ. Two patients had Peutz-Jeghers syndrome. Five patients had two or more mucinous lesions, and two of these patients had multiple in situ or invasive adenocarcinomas involving the genital tract. One patient had a mucinous cystadenoma of the appendix 12 years prior. Although it is difficult to be certain that these lesions are not metastatic, the view that these are primary lesions of the tubal mucosa is favored. Mucinous metaplasia and neoplasia of the fallopian tube may be markers for multifocal mucinous neoplasia.

Adenocarcinoma, Mucinous↗
PubMed1981

Torsion of the fallopian tube.

Isolated torsion of the Fallopian tube is an uncommon condition. It occurs at all ages, though most frequently at the menstruating age, in normal as well as diseased tubes, in pregnancy and even after tubal sterilization. A cases is reported and the symptoms, differential diagnoses, etiology and diagnostic procedures are discussed. Early diagnosis and treatment is necessary if a twisted tube or a part of it is to be preserved; especially early laparoscopy may be a momentous diagnostic tool in these cases.

Adult↗
PubMed1998

Torsion of the fallopian tube: progression of sonographic features.

Isolated torsion of the fallopian tube is a rare gynecologic condition that is difficult to diagnose preoperatively. We present the sonographic and CT findings over a 48-hour period in a case of isolated torsion of the fallopian tube. The radiologic features of isolated torsion have been described previously; however, to our knowledge, the progressive findings have not been previously reported.

Adult↗
PubMed1991

[Fallopian tube recanalization with a catheter system--experience in the use of a balloon catheter].

Fallopian tube obstruction is one of the most difficult problems in the treatment of infertility. This report gives the results of a pilot study on the transcervical recanalization of the occlusive fallopian tube. Selective catheterization of the uterine cornu was applied through a balloon catheter, which was wedged at the internal uterine os. In 16 occlusive fallopian tubes of 11 cases, the catheterization procedure was attempted and accomplished with a 87.5% success rate. Recanalization was successful in 75.0% of the affected tubes. Subsequent pregnancy was confirmed in three cases. This convenient technique is safe and effective and it will be accepted as the first choice in the diagnosis and treatment of fallopian tube obstruction.

Adult↗
PubMed1988

Carcinoma of the fallopian tube.

Primary adenocarcinoma of the fallopian tube is a rare neoplasm that constitutes less than 1% of gynecologic malignancies. Although the triad of menorrhagia, leukorrhea, and pain is said to be pathognomonic, preoperative diagnosis of this lesion is most unusual. The radiographic appearance at hysterosalpingography has only rarely been described in the English literature previously. This therefore is an unusual documentation of the preoperative appearance of fallopian adenocarcinoma by hysterosalpingography and sonography.

Adenocarcinoma↗
PubMed1980

Primary adenosquamous carcinoma of the fallopian tube.

The first reported case of primary adenosquamous carcinoma of the fallopian tube is presented. Primary carcinoma of the fallopian tube and adenosquamous lesions of the endometrium and ovary are discussed. The aggressive potential and increasing frequency of adenosquamous carcinoma in the female genital tract are emphasized.

Adenocarcinoma↗
PubMed1986

Primary adenocarcinoma of the fallopian tube.

Primary carcinoma of the Fallopian tube is one of the rarest malignancies of the female genital tract. The Authors report a case of primary carcinoma of the uterine tube and review the treatment of this disease reported in literature. Since this tumor is so rare, debatable viewpoints remain and thus new proposals and modifications of methods of staging continue to emerge. The Authors conclude by suggesting that the setting up of a National Registry for collection of data available in Italy should be organized.

Adenocarcinoma↗
PubMed1988

Laparoscopic management of fallopian tube prolapse.

Sporadic cases of fallopian tube prolapse and various methods of management have been reported since the initial case described in 1902. Two cases were managed recently by a combined vaginal and laparoscopic approach. Total salpingectomy was accomplished with minimal difficulty and limited invasiveness. A brief summary of each case and detailed description of the operative technique are presented.

Adult↗
PubMed1996

Primary cancer of the fallopian tube. Report of 26 patients.

BACKGROUND: Due to rarity of fallopian tube cancer most series on this tumor are small and many problems have remained unsolved. The aim of this report is to review our experience with this neoplasm and to compare it with previously published data. METHODS: Retrospective study of 26 patients with fallopian tube cancer treated in one institution between 1974 and 1994. All patients underwent primary surgical treatment and 18 received adjuvant therapy including pelvic irradiation in 14 cases and chemotherapy in four. RESULTS: Relapse occurred in 18 out of 25 followed up patients. Upper abdominal component of relapse was encountered in 12 patients (67%), pelvic component - in eight (44%) and extraperitoneal component - six (33%). Pelvic relapse occurred in two out of 13 followed up patients treated with postoperative irradiation and in six out of 12 who did not receive postoperative radiotherapy. Survival ranged from 6 to 218+ months (median 23 months). Five-year actual survival was 33%. There were no 2-year survivors in patients presenting with stage II-IV disease. No correlation was found between tumor grade and survival. CONCLUSIONS: Fallopian tube cancer is a treatable disease but cure can be only achieved in patients with early tumor. Postoperative radiotherapy may result in better local control but does not preclude extrapelvic dissemination, therefore adjuvant chemotherapy should be considered in high risk patients. Registration of all new cases as well as prospective multicenter studies are warranted to establish optimal management.

Age Factors↗
PubMed1985

Diagnosis of primary adenocarcinoma of the fallopian tube.

Primary carcinoma of the fallopian tube is rare, but still occurs frequently enough to warrant consideration when certain specific symptoms are present. It is also possible to diagnose the tumor correctly if, in the presence of certain symptoms, the following diagnostic tools are used in addition to repeated Pap smears and dilatation and curettage: hysteroscopy, cervical biopsy, colposcopy, laparoscopy, laparotomy, and pathological examination of every tubal specimen.

Adenocarcinoma↗
PubMed1984

Attachment to and invasion of human fallopian tube mucosa by an IgA1 protease-deficient mutant of Neisseria gonorrhoeae and its wild-type parent.

In an investigation of the possible role of IgA1 protease in the initial encounter of Neisseria gonorrhoeae with human genital mucosa, the pathogenicity of an isogenic, piliated, wild-type gonococcal clone was compared with that of its IgA1 protease-deficient mutant in organ cultures of human fallopian tubes. The fallopian tube mucosa released IgA into the organ culture medium throughout the course of the infection; the rate of release was substantially higher in gonococcus-infected organ cultures. The wild-type gonococcus but not the IgA1 protease-deficient mutant elaborated IgA1 protease into the medium. The rate and extent of attachment, damage, and invasion of the fallopian tube mucosa by the IgA1 protease-deficient mutant were indistinguishable from those by the parental clone. These data are compatible with the hypothesis that, in the initial encounter with previously uninfected human genital mucosa, the production of IgA1 protease is not critical to the ability of the gonococcus to act as a mucosal pathogen.

Adhesiveness↗
PubMed1998

Have the Fallopian tubes a vital rôle in promoting fertility?

Diverse lines of evidence suggest that the Fallopian tubes make no overwhelming contribution to human reproduction other than as a conduit for gametes and embryos. Even so, bearing in mind global success rates for in vitro fertilization (IVF) coupled with uterine transplantation of embryos (20% fruitful pregnancies), the Fallopian tubes may make a subtle contribution to reproductive performance. The experimental evidence from monkeys and man arguing against an essential rôle for the tubes -- at least in individual instances -- would include (1) the results of Estes' operation, when ovaries are autotransplanted into the uterine lumen in women with blocked or missing Fallopian tubes and pregnancy ensues; (2) asynchronous embryo transfer when newly fertilized (pronucleate) eggs transplanted to the uterus can generate a pregnancy; (3) the transcervical transfer after IVF of early cleavage stage human embryos into the uterus, with subsequent establishment of pregnancy; (4) the trans-cervical transfer of human spermatozoa and oocytes into the uterus to give pregnancy, indicating that capacitation, fertilization and the earliest stages of embryonic development can be achieved in the uterus. In endeavoring to explain contrasts between these successful procedures in primates and their failure in non-primates, perhaps the simplex uterus in primates compared with a bicornuate or bipartite uterus in laboratory and farm species has relevance: there is lack of a clear-cut distinction between the endometrium and endosalpinx in the intra-mural segment and potential mixing of uterine and tubal fluids. Indeed, the latter may explain in part a susceptibility to tubal ectopic pregnancy, coupled with proliferating endometrial fragments in the Fallopian tube.

Animals↗
PubMed1986

Fallopian tube adenocarcinoma: common extraperitoneal recurrence.

Fallopian tube adenocarcinoma is a rare gynecologic tumor that spreads like epithelial ovarian carcinoma. From 1954 to 1982, thirty patients with tubal adenocarcinomas were treated at UCLA and by the Southern California Permanente Medical Group. The mean age was 52 years. Pain, irregular or postmenopausal bleeding, and vaginal discharge were the most common presenting symptoms. Twenty-two had undergone previous pelvic or abdominal surgery. A pelvic mass was the most common physical finding, while Pap smears, IVP, and BE were rarely helpful in making the diagnosis or planning treatment. All of the patients in this report underwent primary therapeutic surgery. Nineteen patients received radiation and fourteen, systemic chemotherapy. Surgical stage was prognostic for survival. Fourteen patients with Stage I and II disease are NED (4 at 2 years; 10 at 5 years). No patients with Stage III or IV disease survived 5 years. Recurrences were noted as late as 6 years after primary therapy and 10 of 14 recurrent sites were extraperitoneal.

Adenocarcinoma↗
PubMed1991

Combination chemotherapy in advanced adenocarcinoma of the fallopian tube.

Advanced adenocarcinoma of the fallopian tube has a poor prognosis, with 5-year survival rates commonly less than 20%. Since 1980, we have managed 12 patients with disseminated tumor with combination chemotherapy following surgical cytoreduction. Analogous to the International Federation of Gynecology and Obstetrics staging of ovarian carcinoma, 3 patients were classified in Stage II, 8 in Stage III, and 1 in Stage IV. Ten patients received cisplatin-containing regimens. The 3 Stage II patients, without measurable disease after primary surgery, had an indeterminate response to chemotherapy. In Stages III-IV there were 4 complete responses (3 confirmed by second-look laparotomy) and 2 partial responses, for an overall response rate of 67%. Disease progressed in 2 patients and was stable in 1 patient. After median follow-up of 3.5 years, 4 of the Stage III-IV patients have no evidence of disease, 1 is alive with disease, and 4 are dead.

Adenocarcinoma↗
PubMed1988

Expression of IgA and secretory component in the normal and in adenocarcinomas of Fallopian tube, endometrium and endocervix.

The occurrence and localization of IgA and secretory components (SC) were examined in the normal and in adenocarcinomas of Fallopian tube, endometrium and endocervix. IgA-containing immunocytes were identified in the stroma of 90% of normal Fallopian tubes. It is suggested that the Fallopian tube may have an immunological function and may, together with the endocervix, constitute the local secretory immune system of the female genital tract. IgA and SC were frequently demonstrated in the cytoplasm and luminal secretion of adenocarcinomas of the endocervix, endometrium and Fallopian tube. This study has shown a decrease in immunoreactivity of SC among poorly differentiated adenocarcinomas but has failed to demonstrate any correlation between the expression of IgA and the degree of differentiation of the tumours. Secretory component appears, therefore, to be more useful than IgA as an indicator of secretory activity and differentiation of adenocarcinomas of the female genital tract.

Adenocarcinoma↗
PubMed1993

Localization of endothelin receptor messenger ribonucleic acid in the rat ovary and fallopian tube by in situ hybridization.

Rat mRNAs encoding two subtypes of the endothelin (ET) receptor (ET(A) and ETB) were studied in the rat ovary and fallopian tube by means of Northern blotting and in situ hybridization. The mRNA transcripts for the endothelin-1-specific type receptor (ET(A)) in pooled RNA from the ovary and fallopian tube were 4.2 and 5.2 kilonucleotides, and that for the nonselective type receptor (ETB) was 4.7 kilonucleotides; these were similar to transcripts for endothelin receptors from other tissues. ET(A) mRNA expression was abundant in the muscle cell layer of the fallopian tube, but low in the ovary. On the other hand, ETB mRNA was abundant in the granulosa cells in the developing follicles, but low in atretic follicles and absent in the fallopian tube. These results demonstrated that the mRNAs for the two subtypes of the rat endothelin receptor have different expression profiles in the ovary and fallopian tube. ETs may mainly affect the granulosa cells in the dominant follicles as well as the muscle cells of the fallopian tube through ETB and ET(A), respectively.

Animals↗