{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T02:25:33Z","timestamp":1774578333660,"version":"3.50.1"},"reference-count":25,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2018,12,27]],"date-time":"2018-12-27T00:00:00Z","timestamp":1545868800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Diagnostic Cytopathology"],"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:p>Riedel's thyroiditis (RT) is a rare disorder characterized by extensive fibrosis extending to the extrathyroidal tissues. An elderly male presented with diffuse moderate thyromegaly and hoarseness of voice for two years. Radiology showed extrathyroidal extension around trachea with compression and deviation suggestive of malignancy. Thyroid was hard and non tender. Ultrasound guided Fine Needle Aspiration (FNA) from multiple foci on both sides using thinner needle yielded moderately cellularity showing follicular cells, lymphoplasmacytic infiltrate, scant colloid and fibrous tissue fragments. Hurthle cells were absent. Adiagnosis of chronic thyroiditis was given with possibility of RT in view of clinical and radiological findings. A core biopsy showed similar picture as cytology. Guided FNA from multiple foci using thinner needle helped to obtain adequate material allowing a confident diagnosis. This case adds to the meagre literature available on the cytologic diagnosis of RT and highlights the diagnostic challenge due to suspicious radiology findings.<\/jats:p>","DOI":"10.1002\/dc.24130","type":"journal-article","created":{"date-parts":[[2018,12,27]],"date-time":"2018-12-27T13:14:52Z","timestamp":1545916492000},"page":"512-516","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Difficulties in diagnosis of Riedel's thyroiditis on aspiration cytology: A case report and brief review of the literature"],"prefix":"10.1002","volume":"47","author":[{"given":"Neeta","family":"Kumar","sequence":"first","affiliation":[{"name":"Jamia Millia Islamia (Central University)  New Delhi India"},{"name":"Department of Pathology, Aga Khan University Hospital  Nairobi Kenya"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruchika","family":"Gupta","sequence":"additional","affiliation":[{"name":"Department of Pathology, Aga Khan University Hospital  Nairobi Kenya"},{"name":"National Institute of Cancer Prevention and Research  Noida Uttar Pradesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shahin","family":"Sayed","sequence":"additional","affiliation":[{"name":"Department of Pathology, Aga Khan University Hospital  Nairobi Kenya"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zahir","family":"Moloo","sequence":"additional","affiliation":[{"name":"Department of Pathology, Aga Khan University Hospital  Nairobi Kenya"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sudhir","family":"Vinayak","sequence":"additional","affiliation":[{"name":"Radiology Aga Khan University Hospital  Nairobi Kenya"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mushtaq","family":"Ahmed","sequence":"additional","affiliation":[{"name":"Surgery Aga Khan University Hospital  Nairobi Kenya"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,12,27]]},"reference":[{"key":"e_1_2_4_2_1","first-page":"S50","article-title":"Current concepts on Riedel thyroiditis","volume":"121","author":"Papi G","year":"2004","journal-title":"Am J Clin Pathol."},{"key":"e_1_2_4_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.radcr.2016.05.017"},{"key":"e_1_2_4_4_1","doi-asserted-by":"publisher","DOI":"10.1210\/jcem-17-2-201"},{"key":"e_1_2_4_5_1","first-page":"63","article-title":"Fine\u2010needle aspiration biopsy cytology of the thyroid. 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