Fine needle aspiration. Medical search. Frequent questions

The sampling and biopsy considered together are called fine-needle aspiration biopsy (FNAB) or fine-needle aspiration cytology (FNAC) (the latter to emphasize that any aspiration biopsy involves cytopathology, not histopathology). (wikipedia.org)
Fine-needle aspiration (FNA) cytology is an important diagnostic tool in patients with thyroid lesions. (wjgnet.com)
Fine-needle aspiration cytology (FNAC) was advised which yielded hemorrhagic aspirate, and multiple air-dried and wet-fixed smears were prepared which were stained by May-Grunwald-Giemsa and Papanicolaou stains, respectively. (cytojournal.com)
Fine-needle aspiration cytology (FNAC) was performed from the cervical lymph node to establish the diagnosis [ Figure 1 ]. (cytojournal.com)
Fine-needle aspiration cytology. (cytojournal.com)
Fine needle aspiration cytology of an ovarian luteinized follicular cyst mimicking a granulosa cell tumor. (lu.se)
article{64d88d5f-8005-40b8-a78d-138d8661f21c, author = {{Dejmek, Annika}}, issn = {{0001-5547}}, language = {{eng}}, number = {{6}}, pages = {{1059--1062}}, publisher = {{Karger}}, series = {{Acta Cytologica}}, title = {{Fine needle aspiration cytology of an ovarian luteinized follicular cyst mimicking a granulosa cell tumor. (lu.se)
Fine needle aspiration cytology (FNAC) is a well‑established diagnostic technique in adult mass lesions but a comparatively new technique to pediatric lesions. (ajol.info)
These lesions are accessible through endoscopic/endobronchial ultrasound-guided or computed tomography-guided fine-needle aspiration cytology and represent a wide range of primary and metastatic tumors. (allenpress.com)
To provide an updated review on the fine-needle aspiration cytology of mediastinal tumors/lesions, with an emphasis on diagnostic challenges. (allenpress.com)
Fine-needle aspiration cytology plays a vital role in evaluation of mediastinal lesions. (allenpress.com)
Fine-needle aspiration cytology (FNAC) was first introduced by Martin and Ellis 4 and has been used as an easy and safe procedure for diagnosing primary and metastatic mediastinal diseases. (allenpress.com)
Fine-needle aspiration cytology of the mediastinum can be highly reliable, with greater than 80% diagnostic accuracy. (allenpress.com)
The Diagnostic Cytopathology department provides biomedical scientist (BMS) assistance at fine needle aspiration cytology (FNAC) clinics to prepare direct spreads and needle rinses. (mft.nhs.uk)
In the absence of Cytology staff assistance, a guide to performing aspirations and Making spreads from fine needle aspiration is available. (mft.nhs.uk)
Please also see our series of short videos on Fine Needle Aspiration Cytology . (mft.nhs.uk)
Fine needle aspiration cytology (FNAC) is recommended if you have nodules in your thyroid to determine whether they are cancerous or not. (supremevascular.com)
This was a comparative study between fine needle aspiration cytology and thyroid scan used to diagnose the solitary thyroid nodule and histopathology was used as gold standard to compare the results of both modalities. (ijsr.net)
These patients underwent fine needle aspiration cytology in the department of Pathology. (ijsr.net)
Fine needle aspiration cytology (FNAC) is a time and cost-effective easily accessible technique for diagnosis of adnexal tumors and helps in differentiating it from other tumors. (emedinexus.com)
Fine needle aspiration cytology has become an accepted and cost effective procedure for rapid diagnosis of thyroid lesions. (journalcra.com)
3] Mundasad B, Mcallister I, Carson J, Pyper P. Accuracy of fine needle aspiration cytology in diagnosis of thyroid swellings. (waset.org)
9] Bommanahalli B, Bhat R, and R Rupanarayan: A cell pattern approach to interpretation of fine needle aspiration cytology of thyroid lesions: A cyto-histomorphological study. (waset.org)
Orlo H. Clark: False-Negative Fine-Needle Aspiration Cytology Results Delay Treatment and Adversely Affect Outcome in Patients with Thyroid Carcinoma Thyroid. (waset.org)
needle aspiration cytology improved sensitivity indifferential " by Vitaya Sridama, Sumalee Tantivirasuth et al. (chula.ac.th)
Fine needle aspiration cytology (FNAC) and fine needle nonaspiration cytology (FNNAC) are useful cost-effective techniques for preoperatively assessing thyroid lesions. (nirajmaskey.com.np)

Preparation and Using Phantom Lesions to Practice Fine Needle Aspiration Biopsies " by Vinod B. Shidham, George M. Varsegi et al. (wayne.edu)
This model allows the retention of vacuum seal and aspiration of material from the embedded specimen, resembling an actual FNAB procedure on clinical mass lesions. (wayne.edu)
Ultrasound also assists with identification of any suspicious tissue lesions and accurate placement of the needle for removal of the tissue. (ypo.education)
Scholars@Duke publication: Squamous cells in fine-needle aspiration biopsies of salivary gland lesions: potential pitfalls in cytologic diagnosis. (duke.edu)
Stereotactic breast needle biopsy refers to the sampling of nonpalpable or indistinct breast lesions by using techniques that enable the spatial localization of the lesion within the breast. (medscape.com)
In the past, impalpable breast lesions would have been surgically excised after needle localization, resulting in a vast number of surgeries for nonmalignant mammographic abnormalities. (medscape.com)
[ 1 ] Stereotactic needle biopsy is an important tool in the diagnosis of breast lesions as part of the triple assessment, which includes clinical, radiologic, and cytohistopathologic studies. (medscape.com)
Definitively diagnosing these lesions with needle biopsy has several advantages. (medscape.com)
Because most of the lesions detected during screening are impalpable, subsequent needle biopsy must be image-guided. (medscape.com)
Goldstein RENetterville JLBurkey BJohnson JE Implications of follicular neoplasms, atypia, and lesions suspicious for malignancy diagnosed by fine-needle aspiration of thyroid nodules. (jamanetwork.com)
In the present study, we evaluated diagnostic accuracy of Fine needle aspiration (FNA) and its efficiency in early detecting neoplastic lesions of thyroid gland over a 3-year period. (waset.org)
After EUS-guided fine-needle aspiration, no abnormal lesions were observed except for minor bleeding in the upper body of the stomach. (helicojournal.org)
The impact of biliary stents on the diagnostic yield of endoscopic ultrasound-guided fine needle aspiration for solid pancreatic lesions: A single-center retrospective study and meta-analysis. (bvsalud.org)
Endoscopic ultrasound-guided fine needle aspiration ( EUS-FNA ) is widely used for the pathological diagnosis of solid pancreatic lesions but in cases with obstructive jaundice , transpapillary sampling can be performed during endoscopic retrograde cholangiopancreatography with transpapillary biliary stent placement. (bvsalud.org)
Cultures of draining and ulcerated lesions, especially when swabs are used for specimen sampling, have been shown to give a lower diagnostic yield than do needle aspirates ( 9 ) or tissue biopsy samples. (cdc.gov)

Thus to confirm the renal neoplasia origin of a pulmonary mass, percutaneous fine-needle aspiration biopsy (FNAB) is often used. (cdlib.org)
However, implantation of malignant cells along the needle tract is an extremely rare complication after FNAB, which can change a potentially resectable localized lung metastsis to an unresectable carcinoma. (cdlib.org)
Currently, health workers including residents and fellows do not have a suitable phantom model to practice the fine- needle aspiration biopsy (FNAB) procedure. (wayne.edu)
The aspirated material in the needle hub can be processed similar to the specimens procured during an actual FNAB procedure, facilitating additional proficiency in smear preparation and staining. (wayne.edu)
To compare the cytopathologic findings in clinically diagnosed solid posterior segment intraocular tumors evaluated by fine-needle aspiration biopsy (FNAB) with the subsequent histopathologic findings in a series of cases managed by primary enucleation. (arvojournals.org)
OBJECTIVES: Most thyroid diseases are nodular and have been investigated using ultrasound-guided fine needle aspiration biopsy (FNAB), the reports of which are standardized by the Bethesda System. (usp.br)
Baloch ZLiVolsi VAJain P Role of repeat fine-needle aspiration biopsy (FNAB) in the management of thyroid nodules. (jamanetwork.com)
Background and Objectives：The usefulness of fine needle aspiration biopsy(FNAB) for diagnosis of parotid gland tumors is controversial, because of the generalized belief requiring surgery for most parotid tumors. (kjhno.org)
Objective To investigate the value of ultrasound-guided fine-needle aspiration biopsy (US-FNAB) for the diagnosis of thyroid nodules smaller than 10 mm in diameter. (shsmu.edu.cn)

Fine-needle aspiration (FNA) is a diagnostic procedure used to investigate lumps or masses. (wikipedia.org)
Fine needle aspiration is generally considered a safe procedure. (wikipedia.org)
Fine needle aspiration of the thyroid gland is a procedure to remove thyroid cells for examination. (stlukes-stl.com)
As fine-needle aspiration biopsy is a simple and easy procedure with high sensitivity and low mortality, it is often used to diagnose lung disease. (cdlib.org)
Fine needle aspiration is a procedure where a thin needle is placed in a mass or lump to collect a sample. (goodsamsanjose.com)
Endoscopic Ultrasound-Guided Fine Needle Aspiration (EUS-FNA) is a minimally invasive diagnostic procedure that combines the use of an endoscope, a flexible tube-like device with an attached camera and light source, ultrasound imaging to examine the gastrointestinal (GI) tract and surrounding tissues and organs, and a fine needle to aspirate or remove suspicious tissue for evaluation and diagnosis. (ypo.education)
The endoscopic ultrasound-guided fine needle aspiration procedure may be used for the assessment of conditions pertaining to the GI tract. (ypo.education)
For this procedure, a doctor will insert a thin needle into the cyst to drain the fluid. (healthline.com)
Compared with open surgical biopsy, needle biopsy causes less trauma and disfigurement and is performed as an outpatient procedure with the patient under local anesthetic. (medscape.com)
This minimally invasive procedure uses a thin, hollow needle to collect tissue samples for biopsy, enabling your physician to detect abnormalities in the thyroid. (endocrinemds.com)
The fine needle aspiration procedure is quick, straightforward, and minimally invasive. (endocrinemds.com)
This procedure is performed with local analgesia or without it, and 25 g needles are used to get a sample from the suspected mass, (Our experience is with 25 G needles, and we get adequate material). (labpedia.net)
After the procedure, separate the needle. (labpedia.net)
Local anaesthetic is not usually required for a fine needle aspiration, as the procedure should not be painful. (missionalcall.com)
This is a safe and simple procedure performed under ultrasound guidance and placing a very fine needle within the thyroid nodule. (supremevascular.com)
If you have extreme anxiety about needles, talk to our clinic, as there are options that can help you get through the procedure, such as listening to music for distraction or, if all else fails, taking an anti-anxiety medication. (supremevascular.com)
However, the procedure itself may cause peritoneal dissemination and needle tract seeding at the puncture site. (biomedcentral.com)
Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) for pancreatic tumors has pooled sensitivity and specificity at 92% and 96%, respectively [ 1 ], and it is an indispensable procedure for pancreatic cancer diagnosis. (biomedcentral.com)

The objective of the current study was to assess the yield of endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA) for the diagnosis of sarcoidosis in a large patient group. (ersjournals.com)
The current authors expect that endoscopic ultrasound-guided fine-needle aspiration will reduce the number of mediastinoscopies for the diagnosis of sarcoidosis dramatically. (ersjournals.com)
Both text and illustrations provide a systematic and logical approach to the acquisition, interpretation and diagnosis of Fine Needle Aspirate biopsy specimens. (abcbooksllc.com)
Also called fine needle biopsy, this technique enables the otolaryngologist to retrieve enough tissue for microscopic analysis allowing him to make an accurate diagnosis. (entacc.com)
Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) is a useful tool in pancreatic cancer diagnosis. (biomedcentral.com)
16] Giorgadze T, Rossi ED, Fadda G, Gupta PK, LiVolis VA, Baloch Z. Does the fine-needle aspiration diagnosis of "Hürthle cell neoplasm/follicular neoplasm with oncocytic features" denote increased risk of malignancy? (waset.org)
Introduction: Thyroid nodules are a common clinical problem and Fine Needle Aspiration (FNA) is the principal method used for preoperative diagnosis. (ac.ir)
We report here a case of fine needle aspiration for a tissue diagnosis. (who.int)
Calcitonin in Needle Wash Using Electrochemiluminescence Method For Diagnosis Of Medullary Thyroid Carcinoma. (who.int)

However, if you have thyroid nodules, one option is thyroid fine needle aspiration biopsy (FNAC). (supremevascular.com)

Perform fine-needle aspiration of any dominant or suspicious thyroid nodules to exclude malignancy or the presence of a thyroid lymphoma in fast-growing goiters. (medscape.com)
Fine needle aspiration (FNA) is an essential diagnostic technique for evaluating thyroid nodules. (endocrinemds.com)
Mazzaferri EL Thyroid cancer in thyroid nodules: finding a needle in a haystack. (jamanetwork.com)
Fine needle aspiration was a significantly better predictor of malignancy than thyroid scan and resulted in a smaller proportion of excisions for benign nodules. (ijsr.net)
12] Meko JB, Norton JA: Large cystic/solid thyroid nodules: a potential false-negative fine-needle aspiration. (waset.org)
17] Agcaoglu O, Aksakal N, Ozcinar B, Sarici IS et al : Factors That Affect the False-Negative Outcomes of Fine-Needle Aspiration Biopsy in Thyroid Nodules .International Journal of Endocrinology Volume 2013 , 1-5 (2013). (waset.org)
Shahbazian H, Sarmast M, Askarpoor S, Mostofi N, Mohammadpour M, Naderian N. The Diagnostic Accuracy of Fine Needle Aspiration (FNA) in Thyroid Nodules. (ac.ir)

Fine-needle aspiration biopsies are very safe minor surgical procedures. (wikipedia.org)
For biopsies in the breast, ultrasound-guided fine-needle biopsy is the most common. (wikipedia.org)

A cold thyroid nodule would indicate a higher risk for malignancy and therefore a need for fine-needle aspiration. (medscape.com)

Endoscopic ultrasound-guided fine-needle aspiration has a high yield in diagnosing sarcoidosis and qualifies as the next diagnostic step after a nondiagnostic bronchoscopy. (ersjournals.com)
Endoscopic Ultrasound-Guided Fine Needle Aspiration" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (ucdenver.edu)

Kini SRMiller JMHamburger JISmith MJ Cytopathology of papillary carcinoma of the thyroid by fine needle aspiration. (jamanetwork.com)

A benign neoplasm cannot be distinguished from a malignant neoplasm on the basis of cytologic analysis of a fine-needle aspiration (FNA) biopsy specimen. (medscape.com)
Grant CSHay IDGough IRMcCarthy PMGoellner JR Long-term follow-up of patients with benign thyroid fine-needle aspiration cytologic diagnoses. (jamanetwork.com)
If a nodule is found during the physical examination, a test called fine needle aspiration (FNA) biopsy may be done to help find out whether the nodule is cancerous or benign. (cdc.gov)

Fine needle aspiration (FNA) is performed to obtain a patient specimen for cytologic examination. (loinc.org)
We performed partial gastrectomy, and the resected specimen was diagnosed as a needle tract seeding following EUS-FNA. (biomedcentral.com)
We performed partial gastrectomy, and the resected specimen was diagnosed as needle tract seeding due to EUS-FNA. (biomedcentral.com)

Percutaneous needle biopsy of the lung was performed via the right anterior chest wall and the histologic findings showed metastasis from renal carcinoma. (cdlib.org)
We present a case of pulmonary metastasis from renal carcinoma with subcutaneous implantation of tumor cells along the needle tract after percutaneous needle biopsy of the lung. (cdlib.org)
Percutaneous fine needle aspiration biopsy of the lung via the right anterior chest wall, using a 20 gauge fine needle, showed metastasis from renal cell carcinoma. (cdlib.org)

For ultrasound guidance of a thyroid biopsy or cyst aspiration use CPT code 76942. (missionalcall.com)
Performing a Fine Needle Aspiration Biopsy (FNA) It is performed to collect a sample of cells or fluid from a cyst or solid mass, to allow the cells to be examined under a microscope. (missionalcall.com)

Under continuous real-time ultrasound guidance, a thin needle attached at the end of the endoscope is advanced into the area of suspicious GI structures to obtain an aspirate of the tissue. (ypo.education)
76942 Ultrasound guidance for needle placement, imaging supervision and interpretation. (missionalcall.com)

Core needle biopsy uses a wide needle to remove one or more small tissue samples about the size of a grain of rice. (medlineplus.gov)
A core needle biopsy takes between 15 minutes and an hour, depending on how it's done. (medlineplus.gov)

For resectable pancreatic body or tail tumors, EUS-FNA should be carefully performed to prevent needle tract seeding and intraoperative as well as postoperative assessment for gastric wall metastasis is mandatory. (biomedcentral.com)
A 68-year-old man underwent EUS-guided fine-needle aspiration (FNA) for a 6.5 cm-sized pancreatic body/tail mass ( Fig. 1 ). (helicojournal.org)
Therefore, needle tract seeding of pancreatic cancer into the stomach was diagnosed. (helicojournal.org)
In summary, even though needle tract seeding is a rare adverse event of EUS-FNA in pancreatic cancer, it can occur, especially when the cancer is located in the body or tail of the pancreas. (helicojournal.org)
2. Kita E, Yamaguchi T, Sudo K. A case of needle tract seeding after EUS-guided FNA in pancreatic cancer, detected by serial positron emission tomography/CT. (helicojournal.org)
Resected tumor seeding in stomach wall due to endoscopic ultrasonographyguided fine needle aspiration of pancreatic adenocarcinoma. (helicojournal.org)

This case represents an unusual clinical presentation of metastatic renal cell carcinoma that appears to have been translocated to the skin by the needle biopsy. (cdlib.org)

It is also used for ultrasound-guided aspiration of breast abscess, of breast cysts, and of seromas. (wikipedia.org)

A: Currently there are only two CPT codes for fine needle aspiration (FNA): 10021 - FNA without imaging guidance. (missionalcall.com)
10022 Fine needle aspiration, with imaging guidance. (missionalcall.com)
What is the code for diagnostic fine needle aspiration without imaging guidance? (missionalcall.com)
BACKGROUND: Endobronchial ultrasound (EBUS) was introduced in the last decade, enabling real-time guidance of transbronchial needle aspiration (TBNA) of mediastinal and hilar structures and parabronchial lung masses. (bvsalud.org)

After local anaesthesia, a very thin needle is passed through the mass in a fan shape to remove tiny pieces of tissue, for example from the thyroid gland. (hno-sarnen.ch)
A small needle is inserted into the mass with a small amount of tissue being drawn back into the needle. (entacc.com)
Some methods remove breast tissue with a needle and others use a small incision (cut) in your skin to remove part or all of the suspicious tissue. (medlineplus.gov)
The first two needles will contain lidocaine and the last four are used to extract tissue samples for the biopsy. (liveandletblog.com)

Also, fine-needle aspiration is the main method used for chorionic villus sampling, as well as for many types of body fluid sampling. (wikipedia.org)
A thin needle is inserted into your thyroid, where it collects a sample of thyroid cells and fluid. (stlukes-stl.com)
This is in contrast to non-FNA aspiration of fluid, which may be done for drainage and/or non-cytologic laboratory studies, though such aspirated fluid may also be sent for cytologic exam. (loinc.org)
Fine needle aspiration biopsy uses a very thin needle to remove a sample of breast cells or fluid. (medlineplus.gov)
For a fine needle aspiration biopsy, your provider will insert the needle into the biopsy site and remove a sample of cells or fluid. (medlineplus.gov)

Often, a major surgical (excisional or open) biopsy can be avoided by performing a needle aspiration biopsy instead, eliminating the need for hospitalization. (wikipedia.org)
Especially, in cases when surgical resection does not include the needle tract, such as cancers in the body or tail of the pancreas, EUS-FNA should be cautiously considered and the number of needle passes should be minimized. (helicojournal.org)

We herein report two cases of gastric wall metastasis due to needle tract seeding after EUS-FNA. (biomedcentral.com)
Needle tract seeding is a phenomenon in which tumor cells are found in the puncture route, and it is considered a subtype of peritoneal dissemination recurrence [ 4 ]. (biomedcentral.com)
Therefore, it is necessary to accumulate a greater number of cases of needle tract seeding for a better understanding of the features. (biomedcentral.com)
Herein, we reported two cases of needle tract seeding after EUS-FNA that were detected during surgery and diagnosed via partial gastrectomy. (biomedcentral.com)
However, as the number of EUS-FNA increases, the possibility of needle tract seeding occurring after EUS-FNA should always be minded [ 2 ]. (helicojournal.org)
Close periodical examinations including gastroscopy should be scheduled for patients who undergo EUS-FNA without needle tract resection [ 3 ]. (helicojournal.org)

Six month later, the patient presented with a cutaneous nodule at the site of puncture of the lung needle biopsy. (cdlib.org)
After six months, he presented with a well-circumscribed, hard, violaceous nodule, 2 cm in diameter, at the site of puncture of the lung needle biopsy (Figure 1). (cdlib.org)
The doctor moves the needle back and forth in the nodule a few times-usually 4-6 passes-to get enough cells for testing. (endocrinemds.com)
The doctor will insert a very fine thin needle, even smaller than ones used for blood draws, into the nodule to draw out cells. (supremevascular.com)

Fine-needle aspiration is also used for biopsy procedures to determine if a breast lump contains cancer cells. (healthline.com)
Fine Needle Aspiration: When It's Used A lump may be felt during a doctor's examination. (missionalcall.com)
If your veterinarian has recommended fine needle aspiration (FNA) for your dog, it probably means that there is a lump, bump, or other abnormal area that the doctor wants to check out further. (doghealth.com)

Endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA) is an accurate technique for the analysis of mediastinal LNs from the oesophagus, especially for those LNs located subcarinally, the aortopulmonary window and the lower mediastinum 9 , 10 . (ersjournals.com)

After the needles are placed into the mass, cells are withdrawn by aspiration with a syringe and spread on a glass slide. (wikipedia.org)
Create negative pressure in the syringe and connect the needle. (labpedia.net)
FNA is done by placing a thin, sterile needle, attached to a syringe, into the area of interest on the dog's body and pulling back on the syringe to gather cells into the needle. (doghealth.com)
The needle is then removed from the site and the syringe is removed from the needle. (doghealth.com)
A small amount of air is drawn into the syringe, which is then reattached to the needle and the air is used to gently push the cells present in the needle onto a microscope slide. (doghealth.com)

Although the incidence of complication in fine-needle aspiration biopsy is reported to be low, various complications, such as pneumothorax, infection, bleeding, air embolism, and implantation metastasis [ 2 , 3 ] have been reported. (cdlib.org)

It is the aspiration of the breast mass for cytologic examination of the aspirated material. (labpedia.net)

ROSE reduces the overall number of needle passes required for an appropriate sample and the number of FNA procedures. (wikipedia.org)
The Current Procedural Terminology (CPT®) code 10005 as maintained by American Medical Association, is a medical procedural code under the range - Fine Needle Aspiration Biopsy Procedures. (missionalcall.com)
Additionally, needle punctures sustained during procedures such as fine-needle aspiration are potential sources of zoonotic pathogens. (cdc.gov)

As the biopsy needle passes into your thyroid, you may feel some pressure, but it should not be painful. (stlukes-stl.com)
In addition, the glove material leaks after a few needle passes, with resulting mess. (wayne.edu)
EUS-FNA with 4 passes using a 22 G needle was conducted through the upper body of the stomach, and there was no abnormal lesion except minor bleeding in the FNA site ( Fig. 2 ). (helicojournal.org)

d) smears showing cells forming acini with nuclei showing fine chromatin, small nucleoli, clear cytoplasm and occasional atypical mitotic figure (arrow) (May-Grunwald-Giemsa, ×40). (cytojournal.com)

It also allows the doctor to insert the needle with greater precision. (endocrinemds.com)

If the provider cannot feel the biopsy site, they may use ultrasound or a CT scan to guide where to put the needle. (stlukes-stl.com)

The tumor cells were arranged in focal acinar or follicular pattern with a round-to-oval nucleus, moderate anisonucleosis, fine nuclear chromatin, and moderate-to-abundant fragile cytoplasm with the focal presence of fine granules. (cytojournal.com)

Punthakee XPalme CEFranklin JHZhang IFreeman JLBedard YC Fine-needle aspiration biopsy findings suspicious for papillary thyroid carcinoma: a review of cytopathological criteria. (jamanetwork.com)
Gharib HGoellner JRZinsmeister ARGrant CSvan Heerden JA Needle aspiration biopsy of the thyroid: the problem of suspicious cytologic findings. (jamanetwork.com)

In this technique, a thin (23-25 gauge (0.52 to 0.64 mm outer diameter)), hollow needle is inserted into the mass for sampling of cells that, after being stained, are examined under a microscope (biopsy). (wikipedia.org)
Standard disposable 23-25 gauge needles. (mft.nhs.uk)

Renshaw AA Focal features of papillary carcinoma of the thyroid in fine-needle aspiration material are strongly associated with papillary carcinoma at resection. (jamanetwork.com)
Zhang YFraser JLWang HH Morphologic predictors of papillary carcinoma of the thyroid by fine-needle aspiration of the thyroid with ThinPrep preparations. (jamanetwork.com)

Please note the BMS staff do not perform the aspirations. (mft.nhs.uk)

Because the needle is very thin, you may not need this medicine. (stlukes-stl.com)
Your physician will then gently insert the thin, hollow needle into the appropriate location on your thyroid gland. (endocrinemds.com)

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