نتایج جستجو برای: needle aspiration
تعداد نتایج: 55681 فیلتر نتایج به سال:
BACKGROUND Good cytological sample is very important for the cytological diagnosis of thyroid nodules. The aim of this study was to evaluate the adequacy of prepared samples by the combination of aspiration and non- aspiration fine needle biopsy. METHODS In this descriptive - analytical study, sampling was done simultaneously for each patient in fine needle aspiration and non-aspiration biops...
The recent report on fine needle aspiration was very interesting. Akhavan-Moghadam noted that “fine needle aspiration (FNA) is a useful atraumatic diagnostic technique with high diagnostic accuracy, which can provide a highly sensitive and low false positive diagnosis in patients with nonthyroidal masses” (1). It is interesting to discuss the diagnostic properties of FNA and its harmfulness. Ac...
Fine needle aspiration (FNA) is a well-established minimally invasive technique for the cytologic evaluation of suspicious mass lesions involving lymph nodes and other organs. The 2008 WHO classification of tumors of hematopoietic and lymphoid tissues utilizes a multiparametric approach based on cytomorphologic, immunophenotypic, and cytogenetic features to classify these tumors (1). This appro...
There is a need for improved diagnostic methods in pneumonia in view of the low bacteriological yield from conventional diagnostic methods (Gram stain and culture of bronchial secretions, pleural fluid and blood culture), the difficulty of identifying the cause of common pulmonary infections on clinical grounds, the increasing number of bacteria that are resistant to commonly used broad spectru...
TWO METHODS HAVE BEEN DESCRIBED TO RECOVER OOCYTES FROM EQUINE FOLLICLES IN EXCISED OVARIES: aspiration and scraping. Aim of this work was to develop an effective method for collecting equine oocytes using Tuohy needle and comparing this technique to aspiration and scraping, with or without tunica albuginea removal. This hollow hypodermic needle, usually employed for inserting epidural catheter...
Operative technique A cruciate incision of the anterior lens capsule is made with a Barkan goniotomy knife, the pupil having been fully dilated. This incision is enlarged with a keratome or a broad needle and the large-bore aspiration needle is introduced into the anterior chamber attached to a 5 ml. syringe of normal saline. Aspiration and irrigation are then performed through the same needle ...
Background: Primary squamous cell carcinoma (SCC) of the thyroid is a rare tumor with a poor prognosis. Case: The case of a 46-year-old female with SCC of the thyroid gland diagnosed by fine needle aspiration cytology is presented. The cytological features in the fine needle aspiration smears are described and the rapidly fatal progress of the tumor is underlined. Conclusion: In this report, we...
Background: Fine-needle aspiration of breast cancer often provides moderate cellular material that is representative of the tumors. These samples can be used not only for cytological diagnosis but also to obtain information on the prognosis and likely response to therapy by using immunohistochemical staining studies. Methods: We assessed the degree of correlation between prognostic biologic ma...
Lab Sci 1993; 23:407–422 14 Afify AM, al-Khafaji BM, Kim B, et al. Endoscopic ultrasound-guided fine needle aspiration of the pancreas: diagnostic utility and accuracy. Acta Cytol 2003; 47:341–348 15 Layfield LJ, Bentz JS, Gopez EV. Immediate on-site interpretation of fine-needle aspiration smears: a cost and compensation analysis. Cancer 2001; 93:319–322 16 Saleh HA, Khatib G. Positive economi...
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