OBJECTIVE To assess the effectiveness of ultrasonography for determining which pediatric midline neck masses should be treated surgically. DESIGN Retrospective study. SETTING Tertiary care pediatric hospital. PATIENTS Pediatric patients with a midline neck mass who underwent ultrasonography from 2003 to 2011. MAIN OUTCOME MEASURES Demographics, ultrasonography, and surgical and patholog...

introduction: the aim of this study was to identify the reasons for failure in clinical, radiographic, and histopathologic diagnoses as well as their interactions with each other. methods: personal information and lesion characteristics of 51 patients with central or peripheral exophytic lesions were collected in mashhad dental school. specialists determined clinical and radiographic diagnoses ...

OBJECTIVE To identify risk factors for biochemical failure after radical prostatectomy (RP) in men with pathologically organ-confined (OC) prostate cancer (PCa). METHODS Clinical and pathological characteristics of 331 consecutive men with pT2N0 PCa treated solely with RP were used in Cox proportional hazard models to identify independent predictors of prostate specific antigen (PSA) failure ...

INTRODUCTION Ultrasound is the most frequently used imaging method to evaluate thyroid nodules. Sonographic characteristics of thyroid nodules which are concerning for malignancy are important to define the need for fine needle aspiration biopsy or open surgery. OBJECTIVE To evaluate malignancy risk of solid thyroid nodules through sonographic scoring. The effects of nodule size ≥2cm and asso...

Objective: Accurate preoperative diagnosis and prognosis of a gastric stromal tumor is vital to its effective treatment. This study aimed to evaluate the value of endoscopic ultrasonography in gastric stromal tumor diagnosis and prognosis. Methods: We retrospectively analyzed 213 cases of gastric stromal tumor diagnosed preoperatively by endoscopic ultrasonography from June 2010 to June 2014, e...

Transesophageal echocardiography (TEE) is especially suitable for examination of prosthetic valves because of the proximity of the esophagus to the heart and absence of interference with lungs and ribs. This article reviews normal and abnormal morphologic characteristics of prosthetic valves such as spontaneous echocontrast, microbubbles, strands, sutures, vegetations or thrombus. Doppler echoc...