نتایج جستجو برای: double ring sign

تعداد نتایج: 412929  

Journal: :Case Reports 2009

Journal: :Medicine 2020

Though it is vital to estimate infiltration as one of the key factors in effective management of water resources, only few studies have been carried out either to determine the infiltration or to compare the performance of infiltration models for coarse textured soils. Thus, the present study was conducted to accomplish two objectives. First to estimate the Horton’s infiltration model parameter...

2014
Dong Yi Dong Qiang Cao Wenjie

INTRODUCTION The most serious erratic migration of paragonimiasis is a cerebral paragonimiasis. Infection in the temporal and occipital lobes of the brain has been previously reported in cerebral paragonimiasis. Here, we report a case of chronic brainstem paragonimiasis. CASE PRESENTATION A 29-year-old Chinese woman presented to our hospital complaining of a sudden onset, three days previousl...

2003
Dieter Cremer

For the analysis of the paramagnetic spin orbit (PSO) term of the NMR spin–spin coupling constant (SSCC), ring current density and PSO density distribution are derived and used to explain magnitude and sign of the isotropic PSO term. Decomposition of the PSO components into orbital contributions helps to identify those orbital pairs (occupied, virtual) dominating the PSO term. The induction of ...

2012
Deborah KL Tan Tin Aung Shamira A Perera

BACKGROUND Delamination of the anterior lens capsule producing a double-ring sign during continuous curvilinear capsulorhexis is commonly associated with true exfoliation syndrome. METHODS Previous studies have concentrated on light- and transmission-electron microscopic features and correlated this with the histopathology of these anterior capsules. To our knowledge, this is the first report...

Journal: :Quantitative Imaging in Medicine and Surgery 2019

2016
Kun-Shuo huang Yi-Shan TSai Ya-Ting Jan Fei-Shih Yang

Ectopic pregnancy is a major cause of first-trimester death in pregnancy, and standard clinical assessments continue to rely on hormonal assays and pelvic sonography. Although the adnexal or tubal ring sign is a diagnostic feature of ectopic pregnancy on pelvic sonography, it has not been well recognized on computed tomography (CT) due to radiation concerns. However, CT is increasingly being us...

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