نتایج جستجو برای: nasal bone

تعداد نتایج: 345370  

2018
Yan Du Yunyun Ren Yingliu Yan Li Cao

INTRODUCTION The aim of this study was to evaluate the value of absent fetal nasal bone in the prediction of fetal chromosomal abnormalities, according to whether it was associated with other soft markers or structural abnormalities in a prescreened population of Chinese pregnant women. MATERIAL AND METHODS In this retrospective cohort study, women whose fetuses had absent nasal bone detected...

Journal: :Journal of obstetrics and gynaecology of India 2013
Bandeppa H Narayani Prathima Radhakrishnan

OBJECTIVE The purpose of this study was to establish an Indian reference for normal fetal nasal bone length at 16-26 weeks of gestation. METHODS The fetal nasal bone was measured by ultrasound in 2,962 pregnant women at 16-26 weeks of gestation from 2004 to 2009 by a single operator, who performed three measurements for each woman when the fetus was in the midsagittal plane and the nasal bone...

2013
Leodoro J. Labrague Lynette C. Tan

In the recent years, sonographic images of fetal nose have gained popularity in detecting trisomy 21 and other aneuploidies. Reference values for nasal bone length have been reported in different countries and ethnic populations. However, there was no reference range for the fetal nasal bone length (NBL) in the Filipino population. This prospective, cross-sectional study was conducted to establ...

2014
Asieh Zamani Naser Mariyya Panahi Boroujeni

Background. The aim of the present study was to have normative data of nasal bone thickness for use before reconstructive surgery and nasal augmentation through radiography analysis. Methods and Materials. In this descriptive-analytical study, 74 patients were selected from people referred to Radiology Department of Isfahan University for CBCT examination in 2012. Patients with a history of nas...

2016
Renu Prabha Santosh Kumar Manish Kumar

Background: The measurement of nasal bone length (NBL) according to gestational age and setting nomogram helps to ascertain NB hypoplasia. This can be used for early detection of trisomy 21 and other chromosomal abnormalities in low risk population. The objective of the study was to obtain nomogram of fetal nasal bone length at 11-14 weeks gestation with known prognosis pregnancies. Methods: A ...

2012
Hyo Young Kim Sin Rak Kim Jin Hyung Park Yea Sik Han Yong-Ha Kim

BACKGROUND Packing after closed reduction of a nasal bone fracture causes inconvenient nasal obstruction in patients. We packed the superior meatus with Vaseline gauze to support the nasal bone, and packed the middle nasal meatus with a Doyle Combo Splint consisting of an airway tube, a silastic sheet, and an expandable sponge to reduce the inconvenience. In addition, we aimed to objectively id...

2015
Dae-Hyun Kim Kyung-Sik Kim

Closed reduction is the treatment of choice for most nasal bone fractures. In this technique, the nasal bone cannot be directly visualized, proper reduction is confirmed by palpation of the bony contour. This confirmation-via-palpation is in most cases too uncomfortable or painful for patients, and this is the reason why most closed reductions of nasal bone fractures are performed under general...

2008
In-Sang Kim Young-Jun Chung Young Il Lee

OBJECTIVES The keystone area has critical importance in maintaining the stability of the nasal dorsum. However, overlap patterns between structural components in the keystone area have rarely been studied, especially in the noses of Koreans. METHODS Dissections were performed on 18 cadaveric noses. The length and width of the structural components in the keystone area were measured. The shape...

Journal: :Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2010
N Persico F Molina M Borenstein G Azumendi K H Nicolaides

OBJECTIVE To establish a normal range of nasal-bone length at 16-24 weeks' gestation by the use of three-dimensional (3D) ultrasound and to investigate the effect of deviations from the exact mid-sagittal plane on the measurement of nasal-bone length. METHODS We acquired 3D volumes of the fetal profile from 135 normal fetuses at 16-24 weeks' gestation. The multiplanar mode was used to obtain ...

Journal: :Archives of facial plastic surgery 2003
Richard E Davis Jeffrey Raval

OBJECTIVE To evaluate power-assisted bone removal in cosmetic rhinoplasty. DESIGN Nonrandomized, nonblinded, retrospective evaluation of consecutive case series. SETTING Academic facial plastic surgery practice. INTERVENTIONS Power-assisted bone removal in 105 consecutive rhinoplasties requiring nasal bone reduction. MAIN OUTCOME MEASURES Subjective evaluation by patient and surgeon. ...

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