scholarly journals Menstrual Pain and Elasticity of Uterine Cervix

2021 ◽  
Vol 10 (5) ◽  
pp. 1110
Author(s):  
Anjeza Xholli ◽  
Gianluca Simoncini ◽  
Sonja Vujosevic ◽  
Giulia Trombetta ◽  
Alessandra Chiodini ◽  
...  
Keyword(s):  
Uterine Cervix ◽  
Ultrasound Elastography ◽  
Cervical Canal ◽  
Tissue Deformation ◽  
Tissue Elasticity ◽  
Menstrual Pain ◽  
Pain Mechanisms ◽  
High Elasticity ◽  
Color Score ◽  
Post Hoc

Menstrual pain is consequent to intense uterine contraction aimed to expel menstrual flow through downstream uterine cervix. Herein it was evaluated whether characteristics of uterine cervix are associated with intensity of menstrual pain. Ultrasound elastography was used to analyze cervix elasticity of 75 consecutive outpatient women. Elasticity was related to intensity of menstrual pain defined by a Visual Analogue Scale (VAS). Four regions of interest (ROI) were considered: internal uterine orifice (IUO), anterior (ACC) and posterior cervical (PCC) compartment and middle cervical canal (MCC). Tissue elasticity, evaluated by color score (from 0.5 = blue/violet (low elasticity) to 3.0 = red (high elasticity), and percent tissue deformation was analyzed. Elasticity of IUO was lower (p = 0.0001) than that of MCC or ACC, and it was negatively related (R2 = 0.428; p = 0.0001) to menstrual VAS (CR −2.17; 95%CI −3.80, −0.54; p = 0.01). Presence of adenomyosis (CR 3.24; 95% CI 1.94, 4.54; p = 0.0001) and cervix tenderness at clinical examination (CR 2.74; 95% CI 1.29, 4.20; p = 0.0004), were also independently related to menstrual VAS. At post hoc analysis, women with vs. without menstrual pain had lower IUO elasticity, expressed as color score (0.72 ± 0.40 vs. 0.92 ± 0.42; p = 0.059), lower percent tissue deformation at IUO (0.09 ± 0.05 vs. 0.13 ± 0.08; p = 0.025), a higher prevalence of cervical tenderness at bimanual examination (36.2% vs. 9.5%; p = 0.022) and a higher prevalence of adenomyosis (46.5% vs. 19.9%; p = 0.04). These preliminary data indicate that IUO elasticity is associated with the presence and the intensity of menstrual pain. Mechanisms determining IUO elasticity are useful to be explored.

Application of Transthoracic Shear-Wave Ultrasound Elastography in Lung Lesions

2020 ◽  
pp. 2002347
Author(s):  
Yao-Wen Kuo ◽  
Yen-Lin Chen ◽  
Huey-Don Wu ◽  
Ying-Chun Chien ◽  
Chun-Kai Huang ◽  
...  
Keyword(s):  
Shear Wave ◽  
Validation Cohort ◽  
Characteristic Curve ◽  
Ultrasound Elastography ◽  
Youden Index ◽  
Lung Lesions ◽  
Derivation Cohort ◽  
Lung Malignancy ◽  
High Elasticity ◽  
Malignant Lesions

IntroductionThe tissue stiffness information may help in the diagnosis of lung lesions. This study aimed to investigate and validate the application of transthoracic two-dimensional shear-wave ultrasound elastography in differentiating malignant from benign subpleural lung lesions.MethodsThis study involved one retrospective observational derivation cohort from January 2016 to December 2017 and one prospective observational validation cohort from December 2017 to December 2019. The inclusion criterion was radiographic evidence of pulmonary lesions. The patients were categorised into the air-bronchogram and hypoechoic groups based on the B-mode grayscale images. The elasticity of subpleural lung lesions with acceptable shear-wave propagation was measured. Diagnoses were made on the basis of pathology, microbiological studies, or following up the clinical course for at least 6 months.ResultsA total of 354 patients were included. Among the 121 patients in the derivation cohort, a receiver operating characteristic curve was constructed and the cut-off point to differentiate benign from malignant lesions was 65 kPa with Youden index 0.60 and accuracy 84.3%. Among the 233 patients in the validation cohort, the diagnostic performance was maintained with Youden index 0.65 and accuracy 86.7%. Upon applying the cut-off point to the air-bronchogram group, Youden index was 0.70 and accuracy 85.0%.ConclusionsThis study validated the application of transthoracic shear-wave ultrasound elastography for assessing lung malignancy. A cut-off point of 65 kPa is suggested for predicting lung malignancy. Furthermore, for pulmonary air-bronchogram lesions with high elasticity, tissue proofing should be considered because of the high possibility of malignancy.

A Curl-Based Approach to Ultrasound Elastography

2010 ◽  
Author(s):  
Ali Baghani ◽  
Reza Zahiri Azar ◽  
Septimiu Salcudean ◽  
Robert Rohling
Keyword(s):  
Imaging Modality ◽  
Ultrasound Elastography ◽  
Frame Rate ◽  
Tissue Elasticity ◽  
Inversion Algorithm ◽  
Direct Inversion ◽  
The Past ◽  
Important Benefit ◽  
Clinical Interest ◽  
Tissue Elastography

The past two decades have witnessed the development of a new medical imaging modality: tissue elastography. The contrast in the images produced by an elastography system is based on the tissue elasticity, hence these images are called elastograms. Tissue elasticity is of clinical interest, because it is often correlated with pathology [1]. Different approaches to tissue elastography have emerged [2, 3]. In this article we report a tissue elastography system and its implementation on an ultrasound machine which provides consistent elastograms of a commercial quality assurance elastography phantom. The system uses our previously developed high frame rate sequencing and phase compensation techniques to measure axial and lateral motions at a typical frame rate of 1.25 kHz [4]. The system uses the curl of the displacements in a direct inversion algorithm to reconstruct elasticity. The most important benefit of this method is that the obtained elastograms are not dependent on the boundary conditions or the shape, size or position of the exciter, and as a result, the elastograms have fewer artifacts originating from these factors. The curl of the displacement has been used in magnetic resonance elastography (MRE) before, together with the direct inversion of the wave equation [5] and promising results have been obtained.

Quantitative Assessment of Normal Soft-Tissue Elasticity Using Shear-Wave Ultrasound Elastography

2011 ◽  
Vol 197 (3) ◽  
pp. 532-536 ◽  
Author(s):  
Kemal Arda ◽  
Nazan Ciledag ◽  
Elif Aktas ◽  
Bilgin Kadri Arıbas ◽  
Kenan Köse
Keyword(s):  
Soft Tissue ◽  
Shear Wave ◽  
Quantitative Assessment ◽  
Ultrasound Elastography ◽  
Tissue Elasticity

Hysterosalpingography in the Sequels of Conisation of the Uterine Cervix

1976 ◽  
Vol 62 (4) ◽  
pp. 387-395
Author(s):  
Aldo Severini ◽  
Silvana Bergonzi
Keyword(s):  
Uterine Cervix ◽  
Morphological Changes ◽  
Reproductive Age ◽  
Cervical Canal ◽  
Severe Dysplasia ◽  
Radiological Findings ◽  
Control Series ◽  
Uterine Surgery ◽  
One Year

A hysterosalpingographic survey was made of 65 women of reproductive age who had undergone conisation of the uterine cervix for carcinoma in situ or severe dysplasia at least one year before. None of the patients investigated radiologically had undergone uterine surgery before conisation. In a high percentage of cases morphological changes of the cervical canal and, less frequently, the isthmus were found. Most of the changes are attributable to scar retraction, and the hysterosalpingographic findings did not differ appreciably from those following other types of gynecological surgery, namely, segmental or total stenosis and ectasia of the cervical canal and isthmus. A control series of patients with preoperative and postoperative hysterosalpingograms is now under consideration to confirm the radiological findings and to correlate them with clinical data.

scholarly journals Real-Time Elastography of the Prostate

2014 ◽  
Vol 2014 ◽  
pp. 1-11 ◽  
Author(s):  
D. Junker ◽  
T. De Zordo ◽  
M. Quentin ◽  
M. Ladurner ◽  
J. Bektic ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Real Time ◽  
Cancer Detection ◽  
Digital Rectal Examination ◽  
Ultrasound Elastography ◽  
Surrounding Tissue ◽  
Tissue Elasticity ◽  
Ultrasound Technique ◽  
Prostate Cancer Detection ◽  
Examination Techniques

Palpation of organs is one of the oldest clinical examination techniques, for instance, if you think of the palpation of the breast or the digital rectal examination of the prostate, where hard palpable regions are suspicious for cancer. This is the basic principle of real-time elastography, an ultrasound technique, which is able to visualise tissue elasticity. Since prostate cancer features an increased stiffness due to the higher cell and vessel density than the normal surrounding tissue, real-time elastography has been used for several years for prostate cancer detection. This review introduces the different techniques of ultrasound elastography and furthermore summarises its limitations and potentials.

A uterine cervix supporting device (Con-CapTM) for reducing canal stenosis after Loop Electrosurgical Excisional Procedure

2021 ◽  
pp. 1-8
Author(s):  
Ji Young Park ◽  
Yoon Hee Lee ◽  
Gun Oh Chong ◽  
Dae Gy Hong
Keyword(s):  
Uterine Cervix ◽  
Clinical Symptoms ◽  
Cervical Canal ◽  
Test Results ◽  
Cervical Stenosis ◽  
Canal Stenosis ◽  
Long Term Consequences ◽  
Endocervical Canal ◽  
Supporting Device

BACGROUND: Cervical stenoses are one of the main long-term consequences after conization of the uterine cervix. OBJECTIVE: The purpose of this study was to evaluate the safety and efficacy of a uterine cervix supporting device (Con-CapTM) in reducing uterine cervical stenosis after Loop Electrosurgical Excisional Procedure (LEEP). METHODS: We enrolled 112 patients who underwent LEEP between March 2017 to May 2019. Con-CapTM was inserted into the uterine endocervical canal for 4 weeks after LEEP. Laboratory values and clinical symptoms were evaluated. The presence of uterine cervical narrowing was determined at 2 weeks after removal of the Con-CapTM. Data were analyzed using the two-sample t test and χ2 test. RESULTS: A total of 78 women completed the 6-week study period. Thirty-four patients did not complete the study period. The diameter of the uterine cervical canal was significantly greater at postoperative 6 weeks than preoperatively (Hegar dilator No, 2.10 ± 0.56 vs. 3.21 ± 0.71, P< 0.01). The complications were acceptable. CONCLUSIONS: Con-CapTM can be used to reduce uterine cervical stenosis safely and effectively after conization of uterine cervix.

scholarly journals Pencitraan Elastisitas Jaringan dengan Ultrasonografi pada Analisa Tumor Mammae

2015 ◽  
Vol 1 (2) ◽  
pp. 114-120
Author(s):  
Herlina Uinarni
Keyword(s):  
Elastic Modulus ◽  
Tumor Tissue ◽  
Additional Data ◽  
Benign Tumor ◽  
Strain Ratio ◽  
Ultrasound Elastography ◽  
Tissue Elasticity ◽  
Elasticity Score ◽  
Tissue Elasticity Imaging ◽  
Conventional Ultrasound

Tissue elasticity imaging with ultrasonography (USG) is used to obtain information about tissue sti?ness. Elasticity is the ability of an object to return to its original shape after a force from the outside given. There are three changes to the form known in the review of the elasticity of an object, namely strain, compression and shear. Modulus of elasticity is stress compared to strain, or the stress per unit strain, and is also called as elastic modulus of the material (tissue). Real-time ultrasound elastography is a further investigation after a detected mass in B-mode, after which pressure is applied lightly using the same transducer. Several studies report that ultrasound elastography diagnostic accuracy in assessing the massas benign or malignant is similar to conventional ultrasound (sensitivity 89.8%, specifcity 88.3%). Elastogram interpretation that is often used is two, namely the value of elasticity (elasticity score) and the ratio of strain (strain ratio). Based on these principle; malignant tumor tissue is rigid, not easily change shape and color with compression, and dark on elastogram, whereas benign tumor is softer, changing as the tissue is compressed and lighter colored. Elastography value can be used as additional data in di?erentiating malignant or benign mammary tumors particularly when the tumor is found dubious.

scholarly journals Ultrasound Elastography Assessment of Skin Involvement in Systemic Sclerosis: Lights and Shadows

2010 ◽  
Vol 37 (8) ◽  
pp. 1688-1691 ◽  
Author(s):  
ANNAMARIA IAGNOCCO ◽  
OLGA KALOUDI ◽  
CHIARA PERELLA ◽  
FRANCESCA BANDINELLI ◽  
VALERIA RICCIERI ◽  
...  
Keyword(s):  
Systemic Sclerosis ◽  
Imaging Modality ◽  
Ultrasound Elastography ◽  
Band Spectrum ◽  
Elastic Tissue ◽  
Healthy Controls ◽  
Skin Involvement ◽  
Tissue Elasticity ◽  
Skin Score ◽  
Modified Rodnan Skin Score

Objective.To assess skin elasticity in systemic sclerosis (SSc) by using a new imaging modality, ultrasound elastography (UE).Methods.Our study included 18 consecutive patients with SSc and 15 healthy controls. Modified Rodnan skin score, physical examination, and assessment of organ involvement were performed. UE was carried out on the middle forearm and on the fingers of the dominant arm. The echo signals recorded in real time during freehand operations of probe compression and relaxation produced images representing tissue elasticity, consisting of translucent colored bands superimposed on the B-mode ultrasonographic images. The color scale varied within a large band spectrum from red, indicative of soft and highly elastic tissue, to blue, which denoted hard and barely elastic tissue.Results.On the forearm of all patients, UE showed a homogeneous blue area corresponding to the dermis visualized in a B-mode ultrasonographic image; in controls, a blue pattern was never detected and a predominance of green with sporadic areas of pale blue was observed. At sequential evaluations, UE of fingers produced inconstant and changeable colored areas.Conclusion.The imaging pattern observed in the forearm of patients with SSc may represent the reduction of strain in the dermis due to loss of elasticity. The variable pattern obtained by finger evaluation demonstrated that UE can assess skin involvement in SSc only in those areas where the dermis is known to be thicker and where the bone hyperreflection is minimal. Further studies are needed to confirm our results and determine the validity of this new imaging modality.

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