Potential contribution of virtual histology plaque composition to hemodynamic-morphologic dissociation in patients with non-ST elevation acute coronary syndrome.

Objective: Histologic plaque characteristics may influence the hemodynamic effect generated by physiologically significant unstable coronary lesions where plaque content and surface related factors are expected to contribute to the maximum translesional pressure drop. In this study, we aimed to identify local lesion specific virtual histological characteristics that may potentially affect hemodynamic outcome measures.

Methods: Forty-eight consecutive patients with non-ST-elevation acute coronary syndrome (NSTEACS) having paired hemodynamic and morphological data were enrolled.

The effects of thermal injury on immature rat ear cartilage.

The purpose of this study was to research regeneration and growing properties of an immature rat ear cartilage and its adjacent tissue after a thermal injury. Fifteen 30-day-old male Sprague-Dawley rats were used. Burn wounds were created by applying a heated plaque.

Histopathological comparison of vascular wall damage created by external cross-clamp and endoluminal balloon occlusion techniques.

Aim: Almost all cross-clamps utilized in vascular surgery, even atraumatic clamps, have been shown to cause mechanical damage to the vascular wall. In recent years, surgical procedures using an endoluminal balloon technique have been reported as an alternative occlusion strategy. This study discusses the histopathological characteristics and comparison between vascular wall damage secondary to the two occlusion techniques in the early postoperative period.

The protective effects of melatonin and vitamin E against renal ischemia-reperfusion injury in rats.

Reactive oxygen species (ROS) were shown to contribute to the cellular damage induced by ischemia-reperfusion. The purpose of this study was to investigate and compare the efficiency of melatonin and vitamin E in the reduction of injury induced by ROS in a rat model of renal ischemia-reperfusion. Twenty-four Wistar-albino rats were divided into four groups.

Oncocytic carcinoma of the parotid gland.

Background: Oncocytic carcinoma is a rare tumor of major salivary glands. Despite being described 5 decades ago, not much is known about these rare tumors. Histochemical or electron microscopic confirmation of the oncocytic nature of the tumor cell is needed for differential diagnosis.