A comparison of mammography and ultrasound in women with breast disease: a receiver operating characteristic analysis.

The purpose of this study was to compare mammography and sonography, as well as their combination, for detecting breast tumors in symptomatic patients. The effects of age and hormonal status were also examined. From 1999 to 2007, 549 patients underwent 665 examination sessions (mammography and ultrasound).

[Posterior longitudinal strip osteotomy of proximal femur in revision total hip arthroplasty].

Objective: To evaluate the treatment and effect of a technique using single femoral posterior longitudinal strip osteotomy in revision total hip arthroplasties.

Methods: Between September 2005 and December 2009, 35 hips of 35 patients underwent a revision total hip arthroplasties (THA) in conjunction with extraction of femoral components. Among them, 23 cases were with uncemented, and 12 cases were with cemented femoral components.

The role of VE-cadherin in osteosarcoma cells.

Osteosarcoma cells can generate vasculogenic-like, patterned networks to obtain nutrients and oxygen, which mimic some function of endothelial-like cells and facilitate tumor malignant progress. These cells also express vascular endothelial-cadherin (VE-cadherin), which is generally accepted as a strictly endothelial-specific transmembrane protein. However, its role is still relatively obscure in osteosarcoma cells.

[Cochlear implantation with suprameatal approach in Chinese children].

Objective: To investigate the technique of the suprameatal approach for cochlear implantation in Chinese profound sensory hearing loss children.

Methods: Suprameatal approach for cochlear implantation were used in 50 cases (total 53 ears) with profound sensory hearing loss from May 2005 to January 2007. The electrode was passed through the suprameatal tunnel and went between the incus and chorda tympani into the scala tympani.

[Duration-tuning of the neurons in the inferior colliculus of guinea pigs and the role of gamma-aminobutyric acid mediated inhibition].

Objective: To evaluate duration tuning in the inferior colliculus (IC) of guinea pigs and the role of GABA-mediated inhibition on this tuning.

Methods: Totally 23 healthy albino guinea pigs of either sex were employed in this study. After anesthesia, spikes of neurons in inferior colliculus were recorded using five-barrel glass-pipettes.

Overexpression of hypoxia-inducible factor-1alpha in human osteosarcoma: correlation with clinicopathological parameters and survival outcome.

Background: Hypoxia is a common feature of many solid cancers and linked to malignant transformation, metastases and treatment resistance. Hypoxia is known to induce hypoxia-inducible factor-1alpha (HIF-1alpha) expression. The aim of this study is to investigate the impact of overexpression of HIF-1alpha on prognosis and the relationship with clinicopathological characteristics in human osteosarcoma.

[Applied anatomic study for genioglossus advancement].

Objective: To provide anatomic basis for genioglossus advancement.

Method: Forty adult cadaver heads (male=29, female=11) were dissected to measure genial tubercles and observe the start-stop points of genioglossus muscle and geniohyoid muscle.

Result: The genioglossus muscle originates from the superior mental spine, and the geniohyoid muscle originates from the inferior mental spine.