System for reporting thyroid cytopathology tbsrtc has been widely disseminated since its inception in 2007, the extent of its implementation and impact on. Definitions, criteria, and explanatory notes 2nd edition in pdf format. Proposed modifications and updates for the thyroid. Cibas the first edition of the bethesda system for reporting thyroid cytopathology was published in 2010 and has greatly influenced the practice of thyroid cytopathology. F the bethesda system for reporting thyroid cytopathology. An update to the bethesda system for reporting thyroid nodule cytopathology is set to alter clinical practice, with the primary aim of reducing the number of unnecessary thyroid surgeries. Definitions, criteria, and explanatory notes 2nd edition pdf free download. Postthe bethesda system for reporting thyroid cytopathology era. Bethesda classification of thyroid nodule fine needle.
Guidance on the reporting of thyroid cytology specimens. History introduced and formed in 2007, nci thyroid fna state of science conference bethesda, maryland, by various cytopathologists and summarised by baloch et al. Pdf bethesda categorization of thyroid nodule cytology. Tbsrtc is a sixcategory scheme of thyroid cytopathology reporting table 1.
Cancer institute, bethesda, maryland, united states published guidelines known as bethesda system of reporting thyroid cytopathology tbsrtc. A primary objective was to develop a new approach to broaden participation in the consensus process. Twentythree items of feedback were received and the document was. Preparations for the conference began 18 months earlier with the designation of a steering committee and the establishment of a dedicated, p manent web site. Pdf introduction to the second edition of the bethesda. Bethesda system for reporting thyroid cytopathology the. Thoroughly revised and updated, the bethesda system for reporting thyroid cytopathology, second edition will provide the reader with a unified approach to diagnosing and reporting thyroid fna interpretations. Description of the book the bethesda system for reporting thyroid cytopathology. Review the bethesda system for reporting thyroid cytopathology tbsrtc the pathologists perspective individual categories with case examples emphasis on the indeterminate category and potential options the dawn of noninvasive follicular thyroid neoplasm with papillarylike nuclei niftp the updated bethesda system 2017. The bethesda system for reporting thyroid cytopathology. Faquin, md, phd director, head and neck pathology massachusetts eye and ear massachusetts general hospital professor of pathology harvard medical school. Nodules that grow larger or produce symptoms may eventually need medical care.
To utilize molecular testing as an adjunctive test in thyroid fna. Atypia of undetermined significance or follicular lesion of undetermined significance 3 6% of thyroid fnas broad category of not easily classified fnas, including. The bethesda system for reporting thyroid cytopathology the nci conference participants acknowledged the importance of developing a uniform terminology for reporting thyroid fna results. This can be used as a primary modality in the evaluation of thyroid lesions as the accuracy rate is fairly good. They may be hyperplastic or tumorous, but only a small percentage of thyroid tumors are malignant.
Click on document the bethesda system for reporting thyroid cytopathology. The bethesda system for reporting the results of cervical cytology was developed as a uniform system of terminology, providing clear guidance for clinical management the bethesda system 2001. To compare the conventional and the bethesda system for reporting thyroid. The bethesda system for reporting thyroid cytopathology, 2017.
This can happen when a cyst is aspirated or when the specimen is almost entirely composed of blood. Classifying your thyroid fna specimens using bethesda. Predominant population of microfollicles in an aspirate that does not fulfill criteria for a follicular neoplasm or suspicious for follicular neoplasm. Thyroid nodules are nodules raised areas of tissue or fluid which commonly arise within an otherwise normal thyroid gland. In these biopsies not enough thyroid cells were obtained to render a diagnosis. It serves as a reference guide not just for pathologists, but also endocrinologists, surgeons, and radiologists. This is a temporary file and hence do not link it from a website, instead link the url of this page if you wish to link the pdf file. The recent reclassification of some thyroid neoplasms as noninvasive follicular thyroid neoplasm with papillarylike nuclear features niftp has im plications for. Bethesda system, cervical cytology, vaginal gynecologic nomenclature. The adoption of the system will facilitate communication among the cytopathologist, surgeon, endocrinologist and radiologist and also allow easy and reliable sharing of data from. Thyroid bethesda system for reporting thyroid cytology from an international panel william c. An inspiration for the thyroid proposal was the bethesda system for reporting cervical cytology interpretations, first developed at an nci workshop in 1988 and. It will serve as a reference guide not just for pathologists, but also endocrinologists, surgeons, and radiologists. To assess the usefulness of thyroid imaging reporting and data system tirads for cytological bethesda category iii thyroid nodules tns.
The recent reclassification of some thyroid neoplasms as noninvasive follicular thyroid neoplasm with papillarylike nuclear features niftp has. Ata initiatives to reduce the extent of surgery for many low risk thyroid cancers 4 cm or smaller, without extra thyroidal extension and lacking. This retrospective study included 121 patients with 121 tns classified as bethesda category iii at fine needle aspiration fna cytology and thereafter underwent surgery. Fineneedle aspiration fna remains the most effective and safe method of evaluating thyroid nodules for potential surgical management. It is specifically designed for the reporting of thyroid follicular and ccellderived lesions based on clearly outlined diagnostic criteria. The 2017 bethesda system for reporting thyroid cytopathology. The bethesda system for reporting cervical vaginal cytologic diagnoses. Contents introduction bethesda categories nondiagnostic or unsatisfactory benign atypia of undetermined significance or follicular lesion of undetermined significance follicular neoplasm or suspicious for a. The bethesda system for reporting cervical cytology pdf file. Efficiency of the bethesda system for thyroid cytopathology elsevier. Full text the bethesda system for reporting thyroid cytopathology. In accordance with the colleges prepublications policy, this document was on college website for consultation from 27 october to 24 november 2015. Definitions, criteria, and explanatory notes syed z.
To advise clinicians on the implications of the each diagnostic category of the bethesda classification system and the results of molecular testing. Fineneedle aspiration biopsies are a key tool for preoperative assessment of thyroid nodules, and the bethesda system is the preferred method to report. Implied risk of malignancy and recommended clinical management open in new tab a repeated aspiration with ultrasound guidance is recommended for nduns and clinically or sonographically worrisome cfo cases and is diagnostic in 50% to 88% of cases, 2, 6, 9, 11, , 14 but some nodules. To apply the bethesda thyroid fna classification system in the evaluation of thyroid fna. Thyroid cytopathology reporting by the bethesda system. Pdf the bethesda system for reporting thyroid cytopathology tbsrtc is an evidencebased standardized reporting system for thyroid fineneedle. The conclusions of the meeting led to the bethesda thyroid atlas project and formed the framework for the bethesda system for reporting thyroid cytology tbsrtc. Notably, aus qualifiers of cannot exclude papillary thyroid carcinoma and cannot exclude follicular neoplasm appear to carry a higher risk of. Implementation of the bethesda system for reporting thyroid. The bethesda system for reporting thyroid cytopathology is a standardized reporting system for classifying thyroid fineneedle aspiration results comprising of 6 diagnostic categories with unique risks of malignancy and recommendations for clinical management.
Objectives the bethesda 2001 workshop was convened to evaluate and update the 1991 bethesda system terminology for reporting the results of cervical cytology. This atlas is the offspring of the the national cancer institute nci thyroid fine needle aspiration fna state of the science conference, hosted by the nci and organized by dr. Nondiagnostic diagnostic or unsatisfactory fna is diagnosed as such if it fails to meet the adequacy criteria. This atlas is the offspring of the the national cancer institute nci thyroid fine needle aspiration fna state of the science conference, hosted by. The bethesda system for reporting thyroid cytopathology will provide the reader with a unified approach to diagnosing and reporting thyroid fna interpretations. Subsequently a monograph the bethesda system for reporting thyroid cytopathology tbsrtc which includes definitions, diagnosticmorphologic criteria, explanatory notes, and a brief management plan for each diagnostic category was published. Nuclei contained in the honeycomb sheets a and spheres b are evenly distributed without nuclear crowdingoverlapping. This accounts for 10 percent of the biopsies, even in the most. Thyroid cytopathology reporting by bethesda system. The bethesda system for reporting thyroid cytopathology definitions, criteria, and explanatory notes, 2e original publisher pdf june 7, 2019 endocrinology, histology, medical.
Small, asymptomatic nodules are common, and often go unnoticed. A comparative study between conventional system and the. Thyroid imaging reporting and data system in assessment of. The bethesda system for reporting thyroid cytopathology has been widely. Thyroid cytopathology recent advances october 21, 2017 dr. The second edition bethesda system for reporting thyroid. It is a six category scheme with individual risks of malignancy that influence management paradigms. A comparative study between conventional system and the bethesda system applied for reporting thyroid cytopathology available online at received on. Comments this document replaces the 1st edition of guidance on the reporting of thyroid cytology specimens, published in 2009. The bethesda system for reporting thyroid cytopathology moderator dr g k parvathidevi presenter dr dhanya a n 2. The bethesda system for reporting cervical cytology.
Download the bethesda system for reporting thyroid cytopathology. Bethesda system for reporting thyroid cytopathology. To address terminology and other issues related to thyroid fineneedle aspiration fna, the national. The bethesda system for reporting thyroid cytopathology bsrtc is a standardized reporting system for classifying thyroid fineneedle aspiration results comprising of 6 diagnostic categories with unique risks o malignancy and recommendations for clinical management. Examining the bethesda criteria risk stratification of thyroid nodules. The bethesda system for reporting thyroid cytopathology bsrtc dr. Thyroid nodules the bethesda classification for thyroid biopsies is effective for clinical management of thyroid nodules. The bethesda system for reporting thyroid cytopathology, 2017 laila khazai 11417. The bethesda system for reporting of thyroid cytopathology. Fine needle aspiration has been widely accepted as diagnostic procedure of choice in assessment of nontoxic thyroid nodule find.