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Showing "Touch imprint cytology needle core biopsies pathology laboratories" PubMed Articles 1–25 of 7,200+

Touch imprint (TI) cytology of needle core biopsies (NCB) in pathology laboratories: A practice survey of participants in the College of American Pathologists (CAP) Non Gynecologic Cytopathology (NGC) Education Program.

Intra-procedural assessment of touch imprint (TI) cytology from needle core biopsies (NCB) is used to ensure sample adequacy and to provide immediate diagnosis in various settings. We aimed to survey laboratories for current practices on the use of cytology with NCB.

Utility of Core Needle Biopsies and Transbronchial Biopsies for Diagnosing Nonneoplastic Lung Diseases.

- Small lung biopsies (core needle biopsies and transbronchial biopsies) are the most common-and often the first-lung sample obtained when a radiologic abnormality is detected and tissue diagnosis is required. When a neoplastic diagnosis cannot be made but pathologic abnormalities are present, it is useful for pathologists to have a list ("menu") of specific nonneoplastic diagnoses that can be made in these samples.

Touch Imprint Cytology: Can It Serve as an Alternative to Frozen Section in Intraoperative Assessment of Cervical Metastasis in Oral Squamous Cell Carcinoma?

The purpose was to assess the diagnostic accuracy of touch imprint cytology (TIC) compared with frozen section (FS) analysis as an intraoperative diagnostic tool to assess nodal metastasis in oral squamous cell carcinoma.

Task Sharing and Shifting to Provide Pathology Diagnostic Services: The Kenya Fine-Needle Aspiration Biopsy Cytology and Bone Marrow Aspiration and Trephine Biopsy Training Program.

Fine-needle aspiration biopsy (FNAB) cytology is a simple, inexpensive, and accurate diagnostic test for benign, infectious, and malignant lesions of the breast, thyroid, lymph nodes, and other organs. Similarly, bone marrow aspiration and trephine (BMAT) biopsy procedures are relatively simple and inexpensive techniques that are important for diagnosing and monitoring many hematologic diseases including leukemias and lymphomas. However, the scarcity of pathologists in Kenya limits patient access to these s...

Adequacy and Accuracy of Core Biopsy in Children: A Radiologic/Pathologic Correlation Study.

Core biopsy (CB) is increasingly popular for assessing solid lesions in children. To date, pediatric literature is limited regarding factors contributing to diagnostically inadequate or inaccurate CB. Therefore, we retrospectively examined radiologic/pathologic factors associated with adequacy/accuracy of CB in pediatric patients. A search of the surgical pathology database for CB between January 2007 and December 2014 yielded 134 CB from 99 patients. Age, sex, anatomic site of lesion, CB diagnosis, and fin...

Correlations Between Core Needle Biopsy and Excisional Biopsy Findings in Suspected Breast Lesions: A Single Center Study.

When a breast lesion is suspected based on a physical exam, mammography, or ultrasound, a stereotactic core needle biopsy (CNB) is usually performed to help establish a definitive diagnosis. CNBs are far less invasive than excisional biopsies, with no need for general anesthetics or hospitalization, and no recovery period. However, since only samples of the mass are removed in a CNB and not the whole mass, sampling errors can occur.

INSM1 expression in pancreatic neuroendocrine tumors in endoscopic ultrasound-guided fine needle aspiration cytology: an analysis of 14 patients.

Insulinoma-associated protein 1 (INSM1) has been reported to be a useful marker for diagnosing pancreatic neuroendocrine tumors (PNETs). However, INSM1 expression in endoscopic ultrasound-fine needle aspiration cytology (EUS-FNAC) has not been examined. We evaluated INSM1 expression in the cytology of cases diagnosed with PNETs.

In memoriam - fine needle aspiration, Birth - fine needle biopsy:The changing trend in endoscopic ultrasound-guided tissue acquisition.

Fine needle aspiration (FNA) cytology has been the preferred technique for procuring tissue at endoscopic ultrasound (EUS) procedures for the past 25 years. To overcome some of the limitations of FNA cytology, fine needle biopsy (FNB) has been recently developed to yield histological tissue. Main objective was to compare the diagnostic yield of FNB compared to FNA for both onsite and offsite specimen assessment.

A 10 year retrospective review of fine needle aspiration cytology of cystic lesions of the breast with emphasis on papillary cystic lesions.

Fine needle aspiration cytology (FNA) is a simple, safe, cost effective, and accurate method for diagnosis of cystic lesions of the breast. Our study aims to correlate FNA cytology of cystic lesions of the breast with the histologic diagnosis.

Fine-needle aspiration biopsies of thyroid nodules.

The purpose of the study was the characterization of adverse events (AEs) after fine-needle aspiration biopsies (FNABs) of thyroid nodules, as well as possible predisposing factors.

Fine needle aspiration cytology of a recurrent parotid tumour.

A 62 year female presented with a progressively increasing hard, fixed, non tender swelling over the left check over an old surgical scar. The lesion measured 3 cm x 2 cm in size. Fine needle aspiration cytology (FNAC) smears of the swelling showed loose aggregates, small sheets, and singly scattered cells with metachromatic chondromyxoid stroma in the background. The clusters of these cells appear three-dimensional with considerable crowding and overlapping (figure 1a and b). This article is protected by c...

Design and models of helical needle geometries for core biopsies.

Biopsy needles are standard medical devices for extracting biological tissue with the purpose of diagnosing a specific anomaly such as cancerous masses, or lumps. The outcome of these procedures greatly relies on the quality of the samples which, in turn, depends on the forces acting on the needle during its insertion. In this scenario, the design of the needle tip plays a fundamental role in determining the cutting forces. Yet, since the dawn of modern medicine, only a few studies have proposed novel needl...

Role of Ultrasound-Guided Fine-Needle Aspiration Cytology of Omentum in Diagnosis of Abdominal Tuberculosis.

To evaluate the efficacy of ultrasound-guided (USG) fine-needle aspiration cytology examination (FNAC) of the omentum in the diagnosis of abdominal tuberculosis (TB).

Re: Using the 21-gene assay from core needle biopsies to choose neoadjuvant therapy for breast cancer: A multicenter trial. Journal of Surgical Oncology 2017;115(8):917-923.

Role of fine needle aspiration cytology in the management of supraclavicular lymph node metastasis: Review of our experience.

In the 19th century Virchow described that metastasis to left supraclavicular lymph nodes (SLN) could originate in neoplasms located under the diaphragm. In the same way, right SLN metastasis are usually thought to arise from thoracic neoplasms. Our aims are to review our experience with metastatic SLN diagnosed by fine-needle aspiration cytology (FNAC) and to discuss the location of the primary in these cases.

Clinical utility and concordance of upper urinary tract cytology and biopsy in predicting Clinicopathologic features of upper urinary tract urothelial carcinoma.

5% of urothelial carcinoma occurs in the upper urinary tract (UUT), a challenging location to biopsy. We aim to evaluate concordance between biopsy, cytology, and resection specimens in a large upper tract urothelial carcinoma (UTUC) cohort.117 UTUC resections with UUT biopsy and/or cytology specimens from 2000-2016 were retrieved; pathologic material was re-reviewed, evaluated for concordance, and correlated with clinical information. 14% pre-operative biopsies, including 8 from renal pelvis and 6 from ure...

Sensitivity and specificity of fine needle aspiration for the diagnosis of mediastinal lesions.

Fine needle aspiration cytology (FNAC) of mediastinal masses allows for rapid on-site evaluation and the triaging of material for ancillary studies. However, surgical pathology is often considered to be the gold standard for diagnosis. This study examines the sensitivity and specificity of FNAC compared to a concurrent or subsequent surgical pathology specimen in 77 mediastinal lesions. The overall sensitivity for mediastinal mass FNAC was 78% and the overall specificity was 98%. For individual categories t...

Clinical analysis of false-negative fine needle aspiration cytology of head and neck cancers.

Fine-needle aspiration (FNA) cytology is frequently used for initial and/or preoperative diagnosis of tumors in the head and neck region. However, false-negative results can lead to misdiagnosis. The aim of this study was to investigate the diagnostic results of FNA in the head and neck region and the reasons for false-negative cases.

Impact of metal and plastic stents on endoscopic ultrasound-guided aspiration cytology and core histology of head of pancreas masses.

 Stents are frequently placed in patients with biliary obstruction due to a mass in the head of the pancreas. The impact of plastic or self-expandable metal stents (SEMSs) on endoscopic ultrasound (EUS)-guided tissue sampling is unclear. This study aimed to assess, using strict pathological criteria, whether stents impair fine-needle aspiration (FNA) or fine-needle biopsy (FNB).

The influence of thyroid nodule size on the diagnostic efficacy and accuracy of ultrasound guided fine-needle aspiration cytology.

Diagnostic accuracy of fine-needle aspiration cytology (FNAC) in large and subcentimeter nodules is still debated. We aimed to evaluate the impact of nodule size on efficacy of the ultrasound-guided FNAC.

Comparison of fine needle aspiration and core needle biopsy in the diagnosis of bone tumours.

Much literature exists regarding the diagnostic yield and accuracy of core needle biopsy (CNB) and fine needle aspiration (FNA) but none compares both in the same tumour. Ninety-four patients were prospectively studied using a FNA and CNB. With FNA 70 diagnoses were possible (74,5%). Accurate diagnosis rate was 97,1%. In 92 patients (97,9%) a diagnosis was obtained with CNB and 91 (98,9%) were accurate.. The diagnostic yield was 74,5% for FNA and 97,9% for CNB (p < 0.0001). The diagnostic accuracy was 97,1%...

Imprint cytology of biphenotypic sinonasal sarcoma of the paranasal sinus: A case report.

Biphenotypic sinonasal sarcoma (BSNS) is a rare low-grade spindle cell sarcoma that predominantly affects middle-aged women with multiple tumors in the sinonasal tract. BSNS shows biphenotypic expression of neural and myogenic markers on immunohistochemistry (IHC) with a specific chimeric PAX3-MAML3 fusion. The cytological features of BSNS have so far not been reported. Here, we describe a case of BSNS including findings of imprint cytology, histology, IHC, and genetic analysis. A 30-year-old woman presente...

Mucinous breast carcinoma metastatic to parotid gland: report of a case diagnosed by fine-needle aspiration.

Metastasis to the parotid gland from breast cancer(BC) is extremely rare. A 37 year old female with a previous history of breast carcinoma presented with right cheek mass underwent fine needle aspiration cytology (FNAC) which revealed numerous epithelial cells showing moderate pleomorphism with presence of intracytoplasmic mucin which created a cytological dilemma to differentiate from primary mucin secreting adenocarcinoma. This article is protected by copyright. All rights reserved.

Image-guided tumour biopsies in a prospective molecular triage study (MOSCATO-01): What are the real risks?

To evaluate efficacy, complications and preprocedural risk factors for percutaneous image-guided core needle biopsy of malignant tumours for genomic tumour analysis.

Cytomorphologic, Imaging, Molecular Findings, and Outcome in Thyroid Follicular Lesion of Undetermined Significance/Atypical Cell of Undetermined Significance (AUS/FLUS): A Mini-Review.

Since the introduction of the entity of "Atypical cell of undetermined significance /follicular lesion of undetermined significance" (AUS/FLUS) by The Bethesda System for Reporting Thyroid Cytology (TBSRTC) in 2007, there have been many published studies about the cytomorphologic criteria, subclassification, outcome, and management of patients with the diagnosis of AUS/FLUS. There have been many studies in different aspects of this indeterminate category, i.e., cytologic and molecular findings, ultrasonogra...

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