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Fine needle aspiration of thyroid nodules in a general teaching hospital setting performing moderate number of biopsies: Outcome of indeterminate cytologic results

Bazrafshan, H. and Azarhoush, R. and Gholamrezanezhad, A. (2008) Fine needle aspiration of thyroid nodules in a general teaching hospital setting performing moderate number of biopsies: Outcome of indeterminate cytologic results. Endokrynologia Polska, 59 (5). pp. 385-389. ISSN 0423104X (ISSN)

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Abstract

Introduction: Our aim was to assess the usefulness of fine-needle aspiration cytologic biopsy (FNA) of the thyroid in our general teaching hospital with average health care facility performing moderate number of such procedures and to evaluate the outcome of Indeterminate Cytologic Results. Material and method: We studied on all consecutive patients referred for FNA of the thyroid nodule. All samplings were performed primarily by one endocrinologist performing moderate number of samplings and interpreted by one pathologist. Cytological findings were classified as malignant, histologic control recommended (suspicious or indeterminate), benign, and unsatisfactory. Results: Four hundred and seventy six biopsies were performed. Patient acceptance of this procedure was good and no complication was encountered. 64/476 of samples were considered as insufficient (13.4%). Of the remaining samples (355 F, 57 M), 321 specimens (67.4%) were reported to be non-neoplastic lesions, including 251 (52.7%) colloid nodules, 39 (8.2%) hemorrhagic nodules and 31 (6.5%) cases of thyroiditis. A neoplastic nodule was confirmed in 91/476 of cases (19.1%), of which 14 were cytologically malignant (3.0%). Follicular lesions were identified in the remaining 77/476 cases (16.1%). Excluding 21 patients who were lost to follow-up, the remaining 56 patients (72.7%) were surgically followed up. Upon excision, benign lesions were diagnosed in 47/56 (83.8%), of which 32 lesions (57.1%) were follicular adenoma and 15 cases (26.7%) of colloid nodules. Malignancy was confirmed histopathologically in 9 cases (16.2%), including 4 follicular variant papillary carcinomas and 5 follicular carcinomas. Conclusions: FNA is an inexpensive, safe, practical, well tolerated, and easily applied method, even in not fully-experienced hands and provides useful information. Based on our study findings, suspicious cytologic results (cytologically follicular neoplasms) are inconclusive and are associated with a remarkable chance of malignant involvement; hence surgical treatment is necessary for clarification.

Item Type: Article
Additional Information: Unmapped bibliographic data: LA - English [Field not mapped to EPrints] J2 - Endokrynol. Pol. [Field not mapped to EPrints] C2 - 18979447 [Field not mapped to EPrints] AD - Department of Endocrinology, Golestan Medical University, Gorgan, Iran [Field not mapped to EPrints] AD - Department of Pathology, Golestan Medical University, Gorgan, Iran [Field not mapped to EPrints] AD - Research Institute for Nuclear Medicine, Medical Sciences, Tehran University, North Karegar St., 14114 Tehran, Iran [Field not mapped to EPrints] AD - Young Researchers Club, Tehran Medical Unit, Azad University, Tehran, Iran [Field not mapped to EPrints] DB - Scopus [Field not mapped to EPrints]
Uncontrolled Keywords: Fine needle aspiration, Follicular lesion, Thyroid nodule, adolescent, adult, aged, article, aspiration biopsy, cancer cytodiagnosis, cost effectiveness analysis, female, histopathology, human, major clinical study, male, outcome assessment, patient safety, teaching hospital, thyroid follicular carcinoma, thyroid nodule, thyroid papillary carcinoma, Adolescent, Adult, Aged, Biopsy, Fine-Needle, Diagnosis, Differential, Female, Humans, Male, Middle Aged, Predictive Value of Tests, Thyroid Diseases, Thyroid Neoplasms, Thyroid Nodule
Subjects: مقالات نمایه شده محققین دانشگاه در سایت ,Web of Science ,Scopus
Divisions: معاونت تحقیقات و فناوری
Depositing User: GOUMS
Date Deposited: 18 Apr 2015 03:55
Last Modified: 25 Feb 2017 08:30
URI: http://eprints.goums.ac.ir/id/eprint/2316

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