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2.
J Med Case Rep ; 18(1): 181, 2024 Apr 14.
Artigo em Inglês | MEDLINE | ID: mdl-38615066

RESUMO

BACKGROUND: Wandering spleen (or ectopic spleen) refers to a hyper-mobile spleen resulting in its displacement from the normal anatomical position to usually in the lower abdominal or pelvic cavity. While ultrasound is often the first radiological modality used, Computed Tomography (CT) shows a clear picture and aides to reach a diagnosis. In circumstances where appropriate imaging modalities are not available, or the operator is inexperienced, diagnosis of wandering spleen can be missed. CASE PRESENTATION: A 22-nulligravida unmarried Sindhi female had presented to the Emergency Room (ER) with a 5-day history of intermittent severe lower abdominal pain. An ultrasound at a local practitioner had suggested an ovarian cyst. Ultrasound-pelvis and later CT scan at our facility reported an enlarged wandering spleen with torsion of its pedicle and infarction. Exploratory laparotomy with splenectomy was done. An enlarged wandering spleen was found with torsion of the splenic vein and thrombosed arterial supply from omentum wrapped over the mass. The patient developed thrombocytosis post-surgery but otherwise did well and was discharged after 2 days. CONCLUSION: Splenic torsion secondary to a wandering spleen can be challenging to diagnose, especially in resource limited settings where ultrasound might be the only modality available. Timely diagnosis and proper intervention are key to saving the life and the spleen.


Assuntos
Cistos Ovarianos , Esplenopatias , Baço Flutuante , Feminino , Humanos , Baço Flutuante/diagnóstico , Baço Flutuante/diagnóstico por imagem , Esplenopatias/diagnóstico por imagem , Esplenopatias/cirurgia , Esplenomegalia , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/cirurgia
3.
Medicine (Baltimore) ; 103(15): e33283, 2024 Apr 12.
Artigo em Inglês | MEDLINE | ID: mdl-38608053

RESUMO

INTRODUCTION: Adnexal torsion (AT) is one of a gynecological condition characterized by an acute abdomen. Clinically, a giant ovarian cyst torsion with a diameter of 30 cm is rare. Therefore, an accurate and timely diagnosis and treatment are important. PATIENT CONCERNS: A 25-year-old unmarried female, presented to the emergency department with intermittent abdominal cramps after a sudden change in position. Considering her symptoms and examination, ultrasound, and magnetic resonance imaging (MRI) results, ovarian cyst torsion was suspected. DIAGNOSIS: Giant ovarian cyst torsion. INTERVENTIONS: Surgical intervention with exploratory laparotomy was performed immediately. OUTCOMES: Intraoperatively, we found a 30-cm left ovarian cyst with a clear root. The left fallopian tube, infundibulopelvic ligament, and ovarian ligament were twisted 900 degrees. Finally, the pathological report revealed mucinous cystadenoma. CONCLUSION: Giant ovarian cyst torsion with a diameter of 30 cm is rare. Considering her symptoms and examination, ultrasound, and MRI results, ovarian cyst torsion was suspected. The patient was successfully treated using emergency surgery.


Assuntos
Abdome Agudo , Ligamento Largo , Cistadenoma Mucinoso , Cistos Ovarianos , Humanos , Feminino , Adulto , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/cirurgia
5.
Afr J Paediatr Surg ; 21(1): 58-60, 2024 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-38259022

RESUMO

ABSTRACT: The routine schedule of antenatal ultrasound scans has led to an increased frequency of detection of foetal ovarian cysts. Although most of them regress spontaneously, some may grow into large cysts and undergo torsion followed by auto-amputation. However, pre- and post-natal scans may fail to identify this event. We report a case of a prenatally diagnosed ovarian cyst that failed to resolve conservatively and was increasing in size in post-natal ultrasounds. Pre-operative ultrasound and magnetic resonance imaging failed to detect the auto-amputation. The diagnosis was confirmed on laparoscopy which offers a safe and effective method for the removal of ovarian cysts in neonates and infants.


Assuntos
Laparoscopia , Cistos Ovarianos , Feminino , Humanos , Lactente , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/cirurgia
6.
J Pediatr Surg ; 59(3): 400-406, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-37980197

RESUMO

INTRODUCTION: Laparoscopic ovarian-sparing surgery (OSS) is safe and effective management approach for benign ovarian lesions in pediatric patients. This study evaluates the outcomes of females younger than 18 years who underwent the OSS procedure between December 2013 and November 2022 at a single institution. MATERIAL AND METHODS: We conducted a retrospective analysis of records from 82 females who underwent OSS for ovarian lesions. OSS was performed based on diagnostic imaging that suggested the benign nature of the lesion. RESULTS: Of the 82 patients studied, 78 had unilateral lesions and 4 had bilateral synchronous lesions. The mean age was 14 years. The majority (62 cases) of the surgeries were laparoscopic, with 20 requiring conversion to open surgery due to factors such as indistinguishable edges and large size of the lesion. We identified 8 cases of ovarian torsion. The surgical specimens revealed that 46 were ovarian teratomas, 2 were granulosa cell tumors, 15 were cystadenomas, and 23 were functional cysts. There were no intraoperative complications. Two recurrences were observed in patients who were initially treated for bilateral ovarian teratomas. One patient developed a pelvic abscess. Additionally, three patients had metachronous ovarian tumors during the follow-up period. In patients followed with ultrasound imaging, the viable ovary was visualized in 83.6% of the cases (61 out of 73). CONCLUSION: Our findings demonstrate the effectiveness of laparoscopic OSS in preserving ovarian function and providing clinical benefits in patients with benign ovarian lesions. We recommend regular follow-up with ultrasound to exclude metachronous lesions or recurrence. LEVEL OF EVIDENCE: III.


Assuntos
Laparoscopia , Segunda Neoplasia Primária , Cistos Ovarianos , Neoplasias Ovarianas , Teratoma , Feminino , Criança , Humanos , Adolescente , Neoplasias Ovarianas/patologia , Estudos Retrospectivos , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/cirurgia , Teratoma/diagnóstico por imagem , Teratoma/cirurgia , Segunda Neoplasia Primária/cirurgia
7.
Radiologie (Heidelb) ; 64(1): 26-34, 2024 Jan.
Artigo em Alemão | MEDLINE | ID: mdl-37947867

RESUMO

BACKGROUND: Abnormalities of the ovary are frequently seen on ultrasound examination, sometimes symptomatic, but are more commonly asymptomatic. PURPOSE: Presentation of the most important entities of ovarian masses and their imaging features in infants and children. Discussion of criteria for differentiation between benign and potentially malignant masses. MATERIALS AND METHODS: Review of current literature and presentation of image examples. RESULTS: The most common lesions are ovarian cysts in infants, which usually do not require therapy. Because of the risk of torsion, surgery should be discussed for lesions with a size of 5 cm or more. Benign teratomas represent three-quarters of all solid tumors of the infantile ovary. Malignant masses are rare. The task of imaging is to assess the potential risk of malignancy, also using imaging scores. CONCLUSIONS: Imaging plays a crucial role for therapeutic considerations. Depending on the potential risk, ovarian-sparing surgery is preferred to preserve fertility, as long as the oncologic risk is reasonable.


Assuntos
Anormalidades do Sistema Digestório , Cistos Ovarianos , Neoplasias Ovarianas , Teratoma , Criança , Lactente , Feminino , Humanos , Neoplasias Ovarianas/diagnóstico por imagem , Neoplasias Ovarianas/cirurgia , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/cirurgia , Teratoma/diagnóstico por imagem , Teratoma/cirurgia , Ovariectomia/métodos
10.
CRSLS ; 10(3)2023.
Artigo em Inglês | MEDLINE | ID: mdl-37808583

RESUMO

Objectives: Endometriosis originating in mesonephric cyst is unusual and with unknown prevalence. Endometriotic lesion in vestigial remnant of wolffian duct (mesonephric cyst) is exceptional. In the extended literature review only three cases have been reported in animal studies, and our case reported here is the first in human beings. We present a case of mesonephric cyst endometrioma in a 37-year-old patient who was referred for severe dysmenorrhea, long duration pelvic and back pain, subfertility, severe dyspareunia, and groin discomfort. The patient underwent laparoscopic removal and we performed a literature review to gain insight about the origin and surgical management of an atypical site endometriosis. Methods and Procedures: Case report presentation rests on information obtained from the patient database. We performed the literature review using a Medline search with the keywords: mesonephric cyst endometriosis, atypical location of endometriosis in vestigial remnant in wolffian duct, and Gartner duct cyst endometrioma. Results: On physical examination, fullness and tenderness in left adnexa and lateral vaginal wall fullness on left side with restricted mobility of uterus was noted. Based on the examination and imaging the left ovarian cyst and mesonephric cyst were suspected. Surgical exploration revealed the left hemorrhagic cyst with deep infiltrating endometriosis involving left ureter and left uterosacral ligament with mesonephric cyst endometriosis. The review of literature revealed three cases where ectopic endometrial tissue in mesonephric cyst remnant was found in female dogs. Conclusion: Mesonephric cyst endometrioma, although rare, can be a representative of extensive endometriosis. This case highlights an importance of careful clinical examination, correlation of patient symptoms with examination and imaging, and successful laparoscopic management of an atypical location endometriotic lesions. We completed the literature review on successful surgical management of such cases.


Assuntos
Cistos , Endometriose , Laparoscopia , Cistos Ovarianos , Animais , Cães , Feminino , Humanos , Adulto , Endometriose/diagnóstico por imagem , Laparoscopia/métodos , Cistos Ovarianos/diagnóstico por imagem , Pelve/patologia , Cistos/diagnóstico por imagem
11.
J Pak Med Assoc ; 73(6): 1302-1304, 2023 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-37427636

RESUMO

A 27-year-old married woman came to the emergency room (ER) with the chief complaint of severe pain in the abdomen for 3 days, which was more pronounced in the right iliac fossa, along with the complaint of multiple episodes of vomiting for the last 6 hours. She also gave a history of swelling in the right inguinal region for last 9 months with the complaint of mild on and off pain in the swelling. On physical examination, diagnosis of obstructed inguinal hernia was made. Ultrasonography (USG) of abdomen was of no use, as it only commented on hernial defect and not on the contents of the hernial sac. An emergency surgery was planned; marsupialisation of ovarian cyst, repositioning of fallopian tube along with ovary and herniorrhaphy was performed without any difficulty.


Assuntos
Hérnia Inguinal , Herniorrafia , Cistos Ovarianos , Adulto , Feminino , Humanos , Cavidade Abdominal , Tubas Uterinas/cirurgia , Hérnia Inguinal/diagnóstico , Hérnia Inguinal/diagnóstico por imagem , Hérnia Inguinal/cirurgia , Cistos Ovarianos/diagnóstico , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/cirurgia , Herniorrafia/métodos
13.
Obstet Gynecol ; 141(5): 1019-1023, 2023 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-37023452

RESUMO

BACKGROUND: Advanced or recurrent primary mucinous ovarian cancer is typically incurable and associated with short progression-free and overall survival when treated with standard chemotherapy. Novel approaches are desperately needed for women with this disease. CASES: Two patients with advanced or recurrent primary mucinous ovarian cancer were treated with secondary cytoreductive surgery (CRS) with hyperthermic intraperitoneal chemotherapy (HIPEC). No additional chemotherapy was administered postoperatively. Both patients achieved a complete and durable response, with no evidence of recurrence at 21 and 27 months, respectively, after CRS with HIPEC. CONCLUSION: Secondary CRS with HIPEC represents a potential therapeutic option for women with recurrent primary mucinous ovarian cancer.


Assuntos
Carcinoma Epitelial do Ovário , Procedimentos Cirúrgicos de Citorredução , Quimioterapia Intraperitoneal Hipertérmica , Neoplasias Ovarianas , Humanos , Feminino , Adenocarcinoma Mucinoso/patologia , Neoplasias Ovarianas/terapia , Carcinoma Epitelial do Ovário/terapia , Terapia Combinada , Adulto , Pré-Menopausa , Ultrassonografia , Cistos Ovarianos/diagnóstico por imagem , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Resultado do Tratamento
15.
Medicina (Kaunas) ; 59(4)2023 Apr 06.
Artigo em Inglês | MEDLINE | ID: mdl-37109673

RESUMO

Background and Objectives: Fetal ovarian cysts (FOCs) are a very rare pathology that can be associated with maternal-fetal and neonatal complications. The aim of this study was to assess the influence of ultrasound characteristics on FOC evolution and therapeutic management. Materials and Methods: We included cases admitted to our perinatal tertiary center between August 2016 and December 2022 with a prenatal or postnatal ultrasound evaluation indicative of FOC. We retrospectively analyzed the pre- and postnatal medical records, sonographic findings, operation protocols, and pathology reports. Results: This study investigated 20 cases of FOCs, of which 17 (85%) were diagnosed prenatally and 3 (15%) postnatally. The mean size of prenatally diagnosed ovarian cysts was 34.64 ± 12.53 mm for simple ovarian cysts and 55.16 ± 21.01 mm for complex ovarian cysts (p = 0.01). The simple FOCs ≤ 4 cm underwent resorption (n = 7, 70%) or size reduction (n = 3, 30%) without complications. Only 1 simple FOC greater than 4 cm reduced its size during follow-up, while 2 cases (66.6%) were complicated with ovarian torsion. Complex ovarian cysts diagnosed prenatally underwent resorption in only 1 case (25%), reduced in size in 1 case (25%), and were complicated with ovarian torsion in 2 cases (50%). Moreover, 2 simple (66.6%) and 1 complex (33.3%) fetal ovarian cysts were postnatally diagnosed. All of these simple ovarian cysts had a maximum diameter of ≤4 cm, and all of them underwent size reduction. The complex ovarian cyst of 4 cm underwent resorption during follow-up. Conclusions: Symptomatic neonatal ovarian cysts, as well as those that grow in size during sonographic follow-up, are in danger of ovarian torsion and should be operated on. Complex cysts and large cysts (with >4 cm diameter) could be followed up unless they become symptomatic or increase in dimensions during serial ultrasounds.


Assuntos
Doenças Fetais , Cistos Ovarianos , Gravidez , Recém-Nascido , Feminino , Humanos , Estudos Retrospectivos , Torção Ovariana/complicações , Ultrassonografia Pré-Natal/métodos , Doenças Fetais/diagnóstico por imagem , Doenças Fetais/cirurgia , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/cirurgia
16.
J Dairy Sci ; 106(5): 3411-3420, 2023 May.
Artigo em Inglês | MEDLINE | ID: mdl-36894418

RESUMO

The most frequently reported definition of cystic ovarian disease in cattle is an abnormally persistent follicle (>7 to 10 d) with a diameter >25 mm. Discrimination between luteal and follicular ovarian cystic structures has traditionally been conducted by measuring the rim width of luteal tissue. The most common practice used in the field for diagnosis of cystic ovarian disease is examination by rectal palpation with or without the use of a B-mode ultrasound. Color Doppler ultrasound technology allows assessment of blood flow area measurements in the ovary, which has been proposed as a potential indirect measure for plasma progesterone (P4) concentrations. The objective of this study was to compare the diagnostic accuracy of differentiating luteal structures from follicular ovarian cysts using measures collected with B-mode and color Doppler transrectal ultrasonography. The definition of an ovarian cyst was a follicle greater than 20 mm in diameter in the absence of a corpus luteum that persisted for at least 10 d. A 3-mm luteal rim width was used to differentiate follicular and luteal cysts. A total of 36 cows were enrolled in the study during routine herd reproductive examination visits, with 26 and 10 having follicular and luteal cysts, respectively. Cows enrolled in the study were examined using a Mini-ExaPad mini ultrasound with color Doppler capabilities (IMV Imaging Ltd.). Blood samples were collected from each cow to measure P4 serum concentrations. History and signalment of each cow, including days in milk, lactation, times bred, days since last heat, milk composition, and somatic cell counts, were retrieved from an online database (DairyComp 305, Valley Agricultural Software). The accuracy of diagnosing follicular from luteal cysts based on luteal rim thickness was analyzed by receiver operating characteristic (ROC) curve using P4 as the gold standard, where P4 concentrations exceeding 1 ng/mL was defined as luteal, and all other structures with less P4 were considered follicular. Luteal rim and blood flow area were selected for further analysis because they presented the best ROC curves for differentiating cystic ovarian structures, with areas under the curve of 0.80 and 0.76, respectively. Luteal rim width of 3 mm was used as the cutoff standard in the study, resulting in sensitivity and specificity of 50% and 86%, respectively. Blood flow area of 0.19 cm2 was used as the cutoff standard in the study, resulting in sensitivity and specificity of 79% and 86%, respectively. When combining the use of luteal rim width and blood flow area to differentiate cystic ovarian structures, a parallel approach resulted in sensitivity and specificity of 73% and 93%, respectively, whereas an in-series approach resulted in sensitivity and specificity of 35% and 100%, respectively. In conclusion, the use of color Doppler ultrasonography when discriminating between luteal and follicular ovarian cysts in dairy cattle resulted in higher diagnostic accuracy compared with using B-mode ultrasonography alone.


Assuntos
Doenças dos Bovinos , Cistos Ovarianos , Feminino , Bovinos , Animais , Progesterona , Corpo Lúteo/diagnóstico por imagem , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/veterinária , Folículo Ovariano , Ultrassonografia Doppler em Cores/veterinária , Doenças dos Bovinos/diagnóstico por imagem
17.
Med Clin North Am ; 107(2): 317-328, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-36759100

RESUMO

Fibroids, endometriosis, and ovarian cysts are common conditions. Fibroids can be asymptomatic or present with heavy menstrual bleeding, pelvic pressure, and pain. Endometriosis is a common cause of cyclical pelvic pain. Ovarian cysts are generally diagnosed incidentally. Transvaginal ultrasound is the performed imaging modality for all structural gynecological disease. Symptomatic management is recommended for each condition. Fibroids can be managed medically or surgically depending on the patient's symptoms and desire for future fertility. Nonsteroidal anti-inflammatory drugs are the first-line therapy for endometriosis followed by oral contraceptives and surgical management. Ovarian cysts can be managed expectantly.


Assuntos
Endometriose , Doenças dos Genitais Femininos , Leiomioma , Cistos Ovarianos , Feminino , Humanos , Endometriose/complicações , Endometriose/diagnóstico , Endometriose/terapia , Leiomioma/diagnóstico , Leiomioma/diagnóstico por imagem , Ultrassonografia , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/terapia
18.
Ann Surg ; 277(5): e1130-e1137, 2023 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-35166261

RESUMO

OBJECTIVE: We conducted a multicenter study to assess treatments and outcomes in a national cohort of infants with congenital ovarian cysts. SUMMARY BACKGROUND DATA: Wide variability exists in the treatment of congenital ovarian cysts. The effects of various treatment strategies on outcomes, specifically ovarian preservation, are not known. METHODS: Female infants diagnosed with congenital intra-abdominal cysts between 2013 and 2017 at 10 Canadian pediatric surgical centers were retrospectively evaluated. Sonographic characteristics, median time to cyst resolution, incidence of ovarian preservation, and predictors of surgery were evaluated. Subgroup analyses were performed in patients with complex cysts and cysts ≥40 mm in diameter. RESULTS: The study population included 189 neonates. Median gestational age at diagnosis and median maximal prenatal cyst diameter were 33 weeks and 40 mm, respectively. Cysts resolved spontaneously in 117 patients (62%), 14 (7%) prenatally, and the remainder at a median age of 124 days. Intervention occurred in 61 patients (32%), including prenatal aspiration (2, 3%), ovary sparing resection (14, 23%), or oophorectomy (45, 74%). Surgery occurred at a median age of 7.4weeks. Independent predictors of surgery included postnatal cyst diameter ≥40 mm [odds ratio (OR) 6.19, 95% confidence interval (CI) 1.66-35.9] and sonographic complex cyst character (OR 63.6, 95% CI 10.9-1232). There was no significant difference in the odds of ovarian preservation (OR 3.06, 95% CI 0.86 -13.2) between patients who underwent early surgery (n = 22) and those initially observed for at least 3 months (n = 131). CONCLUSIONS: Most congenital ovarian cysts are asymptomatic and spontaneously resolve. Early surgical intervention does not increase ovarian preservation.


Assuntos
Cistos , Doenças Fetais , Cistos Ovarianos , Feminino , Humanos , Lactente , Recém-Nascido , Gravidez , Canadá , Doenças Fetais/diagnóstico , Doenças Fetais/cirurgia , Cistos Ovarianos/diagnóstico por imagem , Cistos Ovarianos/cirurgia , Estudos Retrospectivos , Resultado do Tratamento , Ultrassonografia Pré-Natal
19.
Ultrasound Obstet Gynecol ; 61(3): 408-414, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-36123819

RESUMO

OBJECTIVES: To describe ultrasound features of fetal ovarian cysts as reported by the original ultrasound examiner, to apply International Ovarian Tumor Analysis (IOTA) terminology after retrospective analysis of the images and to describe patient management and evolution of fetal cysts during pregnancy and after delivery. METHODS: This retrospective observational study included pregnant women diagnosed on ultrasound examination with a fetal ovarian cyst at the Prenatal Diagnosis Division of the Bambino Gesù Children's Hospital, in Rome, between March 2011 and May 2020. Cysts were classified by the original ultrasound examiner as 'simple' (unilocular anechoic cyst) or 'complex' (cyst with other morphology). In addition, three ultrasound examiners, experienced in gynecologic ultrasound, classified retrospectively the fetal ovarian cysts according to IOTA terminology, by reviewing stored ultrasound images. The evolution of these fetal ovarian cysts during pregnancy and after birth was recorded. RESULTS: Included were 51 ovarian cysts in 48 fetuses. Of the 51 cysts, 29 (56.9%) had been classified by the original ultrasound examiner as 'simple', and 22 (43.1%) as 'complex'. Of the simple cysts, the majority (20/29 (69.0%)) resolved spontaneously after delivery, 2/29 (6.9%) resolved following intrauterine aspiration, 2/29 (6.9%) resolved after postnatal aspiration and 5/29 (17.2%) underwent surgery due to persistence after delivery; in all five, normal ovarian parenchyma without signs of necrosis was observed at histology. Of the complex cysts, 7/22 (31.8%) resolved spontaneously. The other 15/22 (68.2%) were removed surgically and, at histology, necrosis was observed in most (12/15 (80.0%)), while a benign epithelial cyst with normal ovarian parenchyma was observed in 3/15 (20%). After reviewing the ultrasound images and applying IOTA terminology, all 51 (100%) fetal cysts were described as unilocular; 29/51 (56.9%) cysts showed anechoic content (described as simple cysts by the original ultrasound examiner), and 10/51 (19.6%) had low-level, 1/51 (2.0%) had ground-glass, 9/51 (17.6%) had hemorrhagic, 1/51 (2.0%) had mixed and 1/51 (2.0%) had undefined content (all described as complex by the original ultrasound examiner). Among the 29 anechoic ovarian cysts, resolution was observed in most (24/29, 82.8%) cases. Similarly, resolution was observed in 7/10 (70.0%) cysts with low-level content. Resolution was not observed in any of the other 12 cysts and all of these cases underwent surgery, with evidence of necrosis being observed in 11 (91.7%). CONCLUSIONS: Applying IOTA terminology provided a more detailed and accurate description of fetal ovarian cysts compared with the original classification into 'simple' and 'complex' categories. Anechoic cysts (described as simple cysts by the original ultrasound examiner) and cysts with low-level content (described as complex by the original ultrasound examiner) frequently resolved spontaneously. Cysts with ground-glass, hemorrhagic, mixed or undefined content were frequently associated with necrosis at histology following surgery. © 2022 The Authors. Ultrasound in Obstetrics & Gynecology published by John Wiley & Sons Ltd on behalf of International Society of Ultrasound in Obstetrics and Gynecology.


Assuntos
Cistos , Cistos Ovarianos , Neoplasias Ovarianas , Criança , Feminino , Gravidez , Humanos , Estudos Retrospectivos , Cistos Ovarianos/diagnóstico por imagem , Cistos/patologia , Neoplasias Ovarianas/patologia
20.
Curr Med Imaging ; 19(3): 292-305, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-35578859

RESUMO

OBJECTIVE: To develop a computerized diagnostic model to characterize the ovarian cyst at its early stage in order to avoid unnecessary biopsy and patient anxiety. BACKGROUND: The main cause of mortality and infertility in women is ovarian cancer. It is very difficult to diagnose ovarian cancer using ultrasonography as benign and malignant ovarian masses or cysts exhibit similar characteristics. Early prediction and characterization of ovarian masses will reduce the unwanted growth of the ovarian mass. MATERIALS AND METHODS: Transvaginal 2D B mode ovarian mass ultrasound images were preprocessed initially to enhance the image quality. And then, the region of interest (ROI) in this case ovarian cyst was segmented. Finally, Local Binary Pattern (LBP) textural features were extracted. A Support Vector Machine was trained to classify the ovarian cyst or mass as benign or malignant. RESULTS: The performance of the SVM improved with an average accuracy of 92% when the textural features were extracted from the Original Gray Value-based LBP (OGV-LBP) image than the histogram- based LBP. CONCLUSION: The SVM can classify the transvaginal 2D B mode ovarian cyst ultrasound images into benign and malignant effectively when the textural features from the original gray value-based LBP extracted were considered.


Assuntos
Cistos Ovarianos , Neoplasias Ovarianas , Humanos , Feminino , Algoritmos , Simulação por Computador , Ultrassonografia/métodos , Cistos Ovarianos/diagnóstico por imagem , Neoplasias Ovarianas/diagnóstico por imagem
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