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Genetically-predicted placental gene expression links to uterine fibroids and endometriosis.

INTRODUCTION: Mother-to-child disease transmission begins in utero, with the placenta playing a critical role in pregnancy and offspring health. Uterine leiomyomata (fibroids, UFs) and endometriosis (ENDO) are common gynecologic diseases that have substantial overlaps in symptomology and risk factors, however drivers of disease risk remain unclear. The objective of this study was to investigate shared placental genetic associations across ENDO and UFs. METHODS: Genome-wide association study (GWAS) summary statistics were utilized from a published study of UFs (PMID: 40050615) and meta-analyzed for ENDO (24,092 cases and 548,255 controls). To improve our statistical power, we applied Multi-Trait Analysis of GWAS to the ENDO and UF GWAS. We estimated genetically predicted gene expression using S-PrediXcan across 49 tissues using GTEx v7 and a placental tissue expression model. RESULTS: We identified 54 and 14 genes where predicted expression in the placenta was significantly associated with UFs and ENDO, respectively. Twenty-one of these genes were shared between UFs and ENDO. Significant gene associations in placenta tissue were compared to the other 48 GTEx v7 tissue types to identify placenta specific associations. There were 40 and 13 significant gene-tissue associations specific to the placenta across UFs and ENDO, respectively. Eight of the placenta-specific genes were shared across UFs and ENDO. The strongest shared placenta-specific associations included PRKCI and HRH1. CONCLUSIONS: Our findings demonstrate a shared genetic relationship between UFs and ENDO in the placenta. The placenta specific associations suggest that dysregulation of early developmental pathways may contribute to a shared genetic origin of these diseases.

Female

A giant fibroid uterus.

Giant uterine fibroids are those weighing greater than 25 lb (11.4 kg). Such a fibroid may appear as a solitary tumor or as a conglomerate mass of uterine fibroids presenting as a single uterine tumor. The challenge of these tumors lies in their proper surgical management. Combined preoperative and postoperative mortality is approximately 15%. The paucity of recent reports encountered in the literature of uterine fibroids of this magnitude reflects their rarity.

Female

A Comparative Analysis of the Methylation Status of Non-Coding RNA Promoters in Fibroid and Matched Myometrium.

Uterine fibroids exhibit dysregulated expression of non-coding RNAs (ncRNAs), although the underlying mechanisms remain incompletely understood. We investigated promoter DNA methylation and its relationship with ncRNA expression in fibroids. Genomic DNA from eight paired fibroid and matched myometrial tissues was analyzed using MeDIP-chip to identify differentially methylated ncRNA promoters. Selected candidates were validated by methylation-specific PCR (MSP) in 16 paired samples, and transcript expression was assessed by qRT-PCR in 68-94 paired specimens. MeDIP-chip identified 538 lncRNAs and 61 miRNAs with differential promoter methylation, including 300 hypermethylated and 238 hypomethylated lncRNAs and 47 hypermethylated and 14 hypomethylated miRNAs. Promoter methylation was not significantly correlated with transcript expression (r = -0.1224). MSP confirmed hypermethylation of LINC-PINT and MIR9-3 and hypomethylation of WT1-AS and TTLL10-AS1. Correspondingly, LINC-PINT and MIR9-3 expression was decreased, whereas WT1-AS and TTLL10-AS1 expression was increased in fibroids. However, LINC-PINT and TTLL10-AS1 methylation did not fully correspond with MeDIP-chip findings. These results reveal widespread ncRNA promoter methylation alterations in uterine fibroids but demonstrate that genome-wide methylation does not consistently predict transcript expression, highlighting the complexity of ncRNA epigenetic regulation and the importance of locus-specific validation.

Humans

[Cancer hazards in females with uterine myoma].

1. Women with uterine fibroids do not have an higher cancer risk than women without fibroids. 2. The carcinome of the breast is the most frequent cancer under autopsy cases with uterine fibroids. The carcinoma of the endometrium and of the pancreas are slightly increases, but tumours of other organs are less frequent. 3. The risk of sarcomatous degeneration of uterine fibroids is with 0,6% about fifty more less frequent then the risk of develope another cancer. 4. Hysterectomy does not diminuish the cancer risk of patients with uterine fibroids: Instead of the (not more possibles) cancers of the genital systems there develope tumours in other organs. 5. Under autopsy cases with uterins fibroids the trend to hypertonia, to adipositas, to myocardical infarction and to embollsm of the lung are slightly increased9

Bile Duct Neoplasms

[Breast biopsies which failed to show cancer (author's transl)].

A review is presented on 520 patients who had biopsies of the breast which did not show cancer between 1972-1974. These patients are compared to 304 patients whose biopsies definitely showed cancer of the breast and 520 patients who came to the hospital because of well defined gynaecological disease such as uterine fibroids or uterine prolapse. Comparison of these groups regarding age, past history, indications for the biopsy showed that patients with a biopsy without proof of cancer are difficult to follow for diagnosis. Follow-up on these patients is difficult, however, it is important since up to 4% of these patients with previous negative biopsies later have cancer of the breast. A decrease of biopsies in favor of non-surgical diagnosis of breast lesions can only be recommended under optimal conditions. Under other circumstances the risk of cancer of the breast is high enough to justify a liberal indication for breast biopsies.

Adult

Gut Dysbiosis in Selected Gynecological Diseases Associated with Female Infertility: A Scoping Review.

Background/Objectives: Female infertility represents a significant public health issue. Available evidence supports the hypothesis that the gut microbiota may play an essential role in women's reproductive health and may serve as a diagnostic or prognostic biomarker in specific gynecological disorders. A substantial part of current research concerns disturbed communication between the hypothalamic-pituitary-ovarian axis and the gut microbiota, providing the basis for analyzing this phenomenon as the gut-ovary axis or the gut-vagina-ovary axis. The primary aim of this scoping review was to map the available evidence on the relationship between gut microbiota composition and female infertility, with particular emphasis on polycystic ovary syndrome (PCOS, currently polyendocrine metabolic ovarian syndrome, PMOS) endometriosis, and uterine fibroids. Methods: The review was conducted in accordance with the PRISMA Extension for Scoping Reviews (PRISMA-ScR). PubMed, Scopus, and Google Scholar were searched using terms related to gut microbiota, female infertility, PCOS, endometriosis, and uterine leiomyomas. Peer-reviewed publications in English published between 2015 and 2025 were considered. The included studies were descriptively synthesized to identify recurring microbiota patterns and research gaps. Results: The reviewed evidence indicates that gut dysbiosis may be associated with selected gynecological disorders affecting fertility, including PCOS, endometriosis, and uterine fibroids. The gut microbiome may have potential value as a biomarker supporting diagnosis, treatment selection, and prognosis. Conclusions: The gut microbiome represents a promising but still insufficiently validated area in the management of gynecological diseases associated with female infertility. Further high-quality clinical studies are needed to verify the effectiveness of microbiome-based therapies and to develop evidence-based guidelines for managing infertility associated with gut dysbiosis.

dysbiosis

Recurrent postmenopausal bleeding.

Thirty-four patients with recurrent postmenopausal bleeding are reviewed. All had previously undergone dilatation and curettage after a first episode of postmenopausal bleeding, and no pathological cause had been found. When they presented with recurrence of bleeding, 32 of the 34 patients underwent total abdominal hysterectomy and bilateral salpingo-oöphorectomy and the excised organs were submitted for histological examination. In 2 patients clinical cervical carcinoma was found and they received radiotherapy. Hysterectomy was warranted in 5 patients with endometrial glandular hyperplasia and in 2 with uterine fibroids. Fibroids which distort the uterine cavity can result in an inadequate curettage. In 2 patients, failure to take adequate endocervical cytology smears resulted in a pre-operative diagnosis of endocervical carcinoma being missed. In recurrent postmenopausal bleeding, the taking of an adequate cervical smear and repear dilation and curettage are indicated as initial procedures. In obese patients, in whom palpable ovarian tumours may be overlooked, and in those with distortion of the endometrial cavity due to fibroids, total abdominal hysterectomy with bilateral salpingo-oöphorectomy is preferable, because underlying genital cancer can be missed in these cases.

Aged

Pelvic mass presenting as meralgia paresthetica.

A 40-year-old woman presented to her gynecologist with an apparent unilateral neuropathy of the lateral cutaneous femoral nerve of the thigh (meralgia paresthetica). On examination, the sensory disturbance extended outside the usual distribution of the lateral femoral cutaneous nerve, suggesting a more proximal lumbar plexus involvement. She was subsequently found to have uterine fibroid disease. At the time of surgery a large posteriorly situated uterine mass was noted to compress the superior portion of the lumbar plexus. Following surgery, she has been symptom-free.

Adult

The role of 99mTc-bound phosphates and grey scale echography in the differentiation of pelvic tumors.

99mTc-pyrophosphate and 99mTc-diphosphonate have successfully been employed in the diagnosis of neoplastic pelvic disease in women. In our ongoing study, 48 women with pelvic masses, underwent dynamic pelvic scintigraphy, correlative ultrasonography and exploratory laparotomy. Dynamic scintigraphy and region of interest time/activity curves generated from computerized data acquisition have proven effective in the differential diagnosis of uterine leiomyomas from ovarian cysts. In a group of 24 women whose scintigraphic data were consistent with our criteria for uterine leiomyoma, 21 were confirmed histologically. Of 30 women, 29 were accurately diagnosed on scintigraphy as having an ovarian cyst and two patients with coexisting ovarian cysts and uterine fibroids were both correctly diagnosed prior to surgery. Detected lesions ranged from 6--22 cm in diameter. Our findings support the use of dynamic pelvic scintigraphy for differentiating uterine leiomyomas from ovarian cysts.

Adolescent

Pituitary gonadotrophins and prolactin in patients with endometrial cancer, fibroids or ovarian tumours.

The serum levels of follicle stimulating hormone (FSH), luteinizing hormone (LH) and, prolactin (PRL) were measured before and after gonadotrophin releasing hormone (GnRH) and thyrotrophin releasing hormone (TRH) stimulation in 17 patients with endometrial cancer, in 15 patients with uterine fibroids, in 11 patients with ovarian cystadenomas or cancer and in 14 age-matched controls. The women with fibroids had a low FSH level and a diminished FSH response to GnRH but an excessive PRL response to TRH while the other patient groups did not differ from the controls. The results indicate no relation between pituitary function and endometrial or ovarian tumor.

Cystadenoma

The ultrasound diagnosis of hydatidiform mole.

Experience with ultrasound compound 'B' scanning in 18 cases of hydatidiform mole is presented. The scan appearances are analysed with respect to the presence or absence of transonic areas, and to the uniformity of echogenicity elsewhere in the uterus. The differential diagnosis is discussed. The commonest appearance seen in a hydatidiform mole is the combination of multiple small transonic areas with uneven echogenicity in the remainder of the uterine cavity. The condition most likely to cause diagnostic confusion is early normal pregnancy with a bulky decidua, but incomplete abortion and uterine fibroid may also be confused with hydatidiform mole.

Diagnosis, Differential

Case report: response to immunotherapy and association with the fh gene in hereditary leiomyomatosis and renal cell cancer-associated renal cell cancer.

Hereditary leiomyomatosis and renal cell cancer (HLRCC) is a rare autosomal dominant syndrome caused by a germline mutation in the fumarate hydratase (FH) gene that manifests with cutaneous leiomyomas, uterine fibroids, and renal cell cancer (RCC). Patients with HLRCC-associated RCC (HLRCC-RCC) have aggressive clinical courses, but there is no standardized therapy for advanced HLRCC-RCC. In this study, we described a case of aggressive HLRCC in a 33-year-old female who exhibited a novel heterozygous germline insertion mutation in exon 8 of the FH gene (c.1126 C > T; p.Q376*). The patient underwent laparoscopic resection of the right kidney, but metastases appeared within 3 months after surgery. Histological staining of the resected tumor revealed high expression levels of programmed cell death-ligand 1 (PD-L1). Therefore, the patient was treated with immunotherapy. The patient achieved a partial response to immunotherapy, and the treatment of metastatic lesions has continued to improve. A thorough literature review pinpointed 76 historical cases of HLRCC-RCC that had undergone immunotherapy. From this pool, 46 patients were selected for this study to scrutinize the association between mutations in the FH gene and the effectiveness of immunotherapy. Our results indicate that immunotherapy could significantly improve the overall survival (OS) of patients with HLRCC-RCC. However, no influence of different mutations in the FH germline gene on the therapeutic efficacy of immunotherapy was observed. Therefore, our study suggested that immunotherapy was an effective therapeutic option for patients with HLRCC regardless of the type of FH germline mutation.

Humans

Calcified primary tumors of the gastrointestinal tract.

The dominant pattern and location of calcifications occurring within 23 primary gastrointestinal tumors have been analysed and correlated with the data from the literature. The provided guidelines for radiologic diagnosis of such calcified tumors include: (1) a retrocardiac mass containing amorphous calcifications is typical of leiomyoma of the esophagus; (2) calcific deposits similar to that in uterine fibroids may be the feature of gastric leiomyoma or intestinal leiomyosarcoma; (3) sand-like deposits within the wall of the stomach or colon are characteristic of a mucinous adenocarcinoma; (4) clusters of phleboliths in the gastrointestinal wall suggest a hemangioma particularly if recurrent intestinal bleeding and cutaneous hemangiomas are associated; (5) sunburst type of calcification in the pancreas indicates a cystadenoma or cystadenocarcinoma of that organ; and (6) aggregates of granular calcifications in the liver are diagnostic for metastatic adenocarcinoma of the colon but may rarely be seen in a primary malignancy of the liver.

Adenocarcinoma