{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,21]],"date-time":"2025-10-21T15:15:41Z","timestamp":1761059741489,"version":"3.44.0"},"reference-count":18,"publisher":"BMJ","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Reports"],"accepted":{"date-parts":[[2014,5,3]]},"abstract":"<jats:p>Chondroblastoma is an uncommon osseous neoplasm that accounts for less than 1% of all bone tumours. It characteristically arises in the epiphysis or epimetaphyseal region of long bones and has been reported to affect people of all ages with slight male predilection. WHO has defined chondroblastoma as \u2018a benign, cartilage-producing neoplasm usually arising in the epiphyses of skeletally immature patients\u2019. The authors document the cytological features on fine-needle aspiration cytology of a chondroblastoma which appeared as a lytic lesion in the upper end of the right fibula, an uncommon site, in an 18-year-old male patient. X-ray feature combined with fine-needle aspiration cytology favoured the diagnosis of chondroblastoma, which was further confirmed by histopathological examination.<\/jats:p>","DOI":"10.1136\/bcr-2014-204178","type":"journal-article","created":{"date-parts":[[2014,5,29]],"date-time":"2014-05-29T05:18:50Z","timestamp":1401340730000},"page":"bcr2014204178","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":5,"title":["Cytological diagnosis of chondroblastoma: diagnostic challenge for the cytopathologist"],"prefix":"10.1136","volume":"2014","author":[{"given":"Kafil","family":"Akhtar","sequence":"first","affiliation":[{"name":"Department of Pathology, Jawaharlal Nehru Medical College, Aligarh, Uttar Pradesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shagufta","family":"Qadri","sequence":"additional","affiliation":[{"name":"Department of Pathology, Jawaharlal Nehru Medical College, Aligarh, Uttar Pradesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Prasenjit","family":"Sen Ray","sequence":"additional","affiliation":[{"name":"Department of Pathology, Jawaharlal Nehru Medical College, Aligarh, Uttar Pradesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rana K","family":"Sherwani","sequence":"additional","affiliation":[{"name":"Department of Pathology, Jawaharlal Nehru Medical College, Aligarh, Uttar Pradesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2014,5,29]]},"reference":[{"key":"2025082723144709000_2014.may29_1.bcr2014204178.1","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(197208)30:2<401::AID-CNCR2820300216>3.0.CO;2-B"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.2","first-page":"969","article-title":"Benign chondroblastoma of bone. A reinterpretation of the so-called calcifying or chondromatous giant cell tumor","volume":"18","author":"Jaffe","year":"1942","journal-title":"Am J Pathol"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.3","unstructured":"Orell SR Sterrett GF Whitaker D . Fine needle aspiration cytology. 4th edn. New Delhi: Churchill Livingstone Elsevier, 2005: Chap 16, Bone; 438\u201340."},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.4","unstructured":"Kilpatrick SE Parisien M Bridge JA . Chondroblastoma. In: Fletcher CDM Unni KK Mertens F , eds. World health organization classification of tumours: pathology and genetics of tumours of soft tissues and bone. Lyon: IARC press, 2002:241\u20132."},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.5","doi-asserted-by":"publisher","DOI":"10.1620\/tjem.194.251"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.6","first-page":"534","article-title":"Skull base chondroblastoma: a case report","volume":"50","author":"Moorthy","year":"2002","journal-title":"Neurol India"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.7","doi-asserted-by":"publisher","DOI":"10.1007\/s00256-005-0917-8"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.8","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.D.02003"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.9","doi-asserted-by":"crossref","first-page":"830","DOI":"10.2106\/00004623-197759060-00020","article-title":"Chondroblastoma of the talus: a case report","volume":"59","author":"Moore","year":"1977","journal-title":"J Bone Joint Surg"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.10","doi-asserted-by":"publisher","DOI":"10.1016\/S0046-8177(85)80016-2"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.11","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.82B8.10791"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.12","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1302\/0301-620X.52B2.205","article-title":"Epiphysial chondroblastoma of bone. A clinico-pathological study of sixty-nine cases","volume":"52","author":"Schajowicz","year":"1970","journal-title":"J Bone Joint Surg Br"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.13","unstructured":"Koss LG Melamed MR . Koss's diagnostic cytology and its histologic bases. 5th edn. Lippincott Williams & Wilkins. 2006: Chap 36, Bone tumors; 1350\u201351."},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.14","doi-asserted-by":"publisher","DOI":"10.1016\/j.fcl.2005.05.002"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.15","doi-asserted-by":"publisher","DOI":"10.1002\/dc.20903"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.16","doi-asserted-by":"publisher","DOI":"10.1016\/S1092-9134(03)00048-0"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.17","doi-asserted-by":"crossref","first-page":"e16","DOI":"10.5858\/2005-129-e16-PQCRKP","article-title":"Pathology quiz case: right knee pain in a 29-year-old man. Chondroblastoma with aneurysmal bone cyst formation.","volume":"129","author":"Abellar","year":"2005","journal-title":"Arch Pathol Lab Med"},{"key":"2025082723144709000_2014.may29_1.bcr2014204178.18","doi-asserted-by":"crossref","first-page":"748","DOI":"10.2106\/00004623-198567050-00009","article-title":"Chondroblastoma. 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