نتایج جستجو برای: fnab
تعداد نتایج: 542 فیلتر نتایج به سال:
Currently, health workers including residents and fellows do not have a suitable phantom model to practice the fine- needle aspiration biopsy (FNAB) procedure. In the past, we standardized a model consisting of latex glove containing fresh cattle liver for practicing FNAB. However, this model is difficult to organize and prepare on short notice, with the procurement of fresh cattle liver being ...
OBJECTIVES This study aimed to clarify whether pretreatment human equilibrative nucleoside transporter (hENT1) expressions in endoscopic ultrasonography-guided fine-needle aspiration biopsy (EUS-FNAB) specimens obtained from resectable, borderline resectable, and locally advanced unresectable pancreatic ductal adenocarcinoma (PDAC) are concordant with those in the resected specimen after gemcit...
Fine-needle aspiration biopsy (FNAB) is a well-established initial diagnostic tool. However, in some instances limitations and shortcomings arise, making it insufficient for determining a specific diagnosis. Consequently, patients have to undergo another diagnostic procedure. The second procedure is either repeat FNAB, core-needle or open biopsy, and can be inconvenient and costly. In some cent...
BACKGROUND The incidence of many fungal and parasitic lesions are on the rise over the last few decades. In this study, we have analyzed the spectrum of non-malignant lesions in adrenal gland diagnosed on fine-needle aspiration biopsy (FNAB) in a tertiary health care center. METHODS FNAB of the adrenal gland was done under CT (4 cases) and ultrasound guidance (11 cases). In six cases, the les...
BACKGROUND AND OBJECTIVES To assess frequency and significance of enlarged nonpalpable supraclavicular lymph nodes with routine ultrasound (US) evaluation and US-guided fineneedle aspiration biopsy (FNAB) for the diagnosis and staging of patients with lung cancer. MATERIALS AND METHODS 106 consecutive patients with lung cancer and nonpalpable supraclavicular lymph nodes were evaluated with ce...
PURPOSE To investigate the ultrasonographic (US) features of anaplastic thyroid cancer (ATC) and the diagnostic performance of US-guided fine needle aspiration biopsy (FNAB) therein. MATERIALS AND METHODS Eighteen cases of ATC diagnosed between January 2001 and May 2011 were included. FNAB was performed in all cases. Initial FNAB results were divided into three groups: 1) the cytological ATC ...
Background/aim: Primary hyperparathyroidism (PHPT) is characterized by increased calcium (Ca) and parathyroid hormone (PTH) levels. Surgical removal of the culprit hyperfunctioning parathyroid gland is the preferred treatment. In this study, we aimed to determine whether PTH-washout or cytological examination of suspicious lesions was superior in MIBI-negative patients diagnosed with PHPT.Mater...
There have been many changes in the roles of fine-needle aspiration biopsy (FNAB) and core needle biopsy (CNB) in the diagnostic workup of breast lesions in routine breast clinics and in mammographic breast screening programs, as well as changes in the management algorithms utilized and the treatments available, since the NCI consensus on breast FNAB cytology in 1996. A standardized approach wi...
BACKGROUND The risk of malignancy in patients with multinodular goitre (MNG) is approximately 7.2%. The gold standard for diagnosis of thyroid cancer is fine-needle aspiration biopsy (FNAB). Unsuccessful, inconclusive or suspicious results mandate further investigations. The concern is that with a benign FNAB result there is no indication for surgery unless the patient has compression symptoms ...
OBJECTIVE To evaluate E-cadherin expression on fine needle aspiration biopsies (FNAB) of breast ductal invasive carcinomas and to correlate that expression with the grade of the tumors, axillary lymph node status, primary tumor size, menopausal status, estrogen-progesterone receptors and Bcl-2 expression. STUDY DESIGN One hundred female patients ranging in age from 25 to 82 underwent FNAB und...
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