{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T13:19:33Z","timestamp":1764249573887,"version":"3.46.0"},"reference-count":14,"publisher":"BMJ","issue":"11","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2025,11,11]]},"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:p>A female in her mid-60s complained of a painless, slowly growing swelling on the right side of the neck. A firm pulsating expansile mass was noted on clinical examination without neurological restriction. Imaging studies (CT angiography, MRI and digital subtraction angiography) demonstrated a well-defined hypervascular lesion in the carotid bifurcation and a sign of easy splaying of the internal and external carotid arteries, which confirmed the diagnosis of a carotid body tumour (CBT). Transcervical surgical removal of the tumour was performed. Histopathologic examination findings were consistent with a paraganglioma with a characteristic Zellballen pattern. The patient recovered uneventfully and is doing well so far. The case emphasises the need to consider CBTs in the differential diagnosis of lateral neck masses and highlights the role of imaging in diagnosis and preoperative planning.<\/jats:p>","DOI":"10.1136\/bcr-2025-268199","type":"journal-article","created":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T13:15:20Z","timestamp":1764249320000},"page":"e268199","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Painless lateral neck swelling revealing a carotid body tumour"],"prefix":"10.1136","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7606-6135","authenticated-orcid":false,"given":"VSBhargavPradeep","family":"Konakanchi","sequence":"first","affiliation":[{"name":"Emergency Medicine, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK"},{"name":"ENT, Internal Medicine, Andhra Medical College, Visakhapatnam, Andhra Pradesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-4149-6274","authenticated-orcid":false,"given":"Nishal A","family":"Kumar","sequence":"additional","affiliation":[{"name":"ENT, Internal Medicine, Andhra Medical College, Visakhapatnam, Andhra Pradesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dipesh","family":"Chhetri","sequence":"additional","affiliation":[{"name":"Emergency Medicine, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fricky","family":"Nongkhlaw","sequence":"additional","affiliation":[{"name":"ENT, Internal Medicine, Andhra Medical College, Visakhapatnam, Andhra Pradesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2025,11,27]]},"reference":[{"key":"2025112705151478000_18.11.e268199.1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejvs.2018.10.038"},{"key":"2025112705151478000_18.11.e268199.2","first-page":"6417","article-title":"Diagnosis and treatment of a carotid body tumor: A case report of a rare bilateral tumor","volume":"14","author":"Sun","year":"2017","journal-title":"Oncol Lett"},{"key":"2025112705151478000_18.11.e268199.3","doi-asserted-by":"crossref","first-page":"387","DOI":"10.1016\/j.ijscr.2017.11.019","article-title":"Bilateral carotid body tumor resection in a female patient","volume":"41","author":"Burgess","year":"2017","journal-title":"Int J Surg Case Rep"},{"key":"2025112705151478000_18.11.e268199.4","doi-asserted-by":"crossref","first-page":"90","DOI":"10.4103\/0972-0820.186723","article-title":"Carotid Body Tumors: Surgical Management and Review of Patients Over 10 Years","volume":"3","author":"Lone","year":"2016","journal-title":"Indian J Vasc Endovasc Surg"},{"key":"2025112705151478000_18.11.e268199.5","doi-asserted-by":"publisher","DOI":"10.1186\/1477-7819-3-10"},{"key":"2025112705151478000_18.11.e268199.6","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1016\/j.jus.2012.05.001","article-title":"Role of ultrasound and color Doppler imaging in the detection of carotid paragangliomas","volume":"15","author":"Dematt\u00e8","year":"2012","journal-title":"J Ultrasound"},{"key":"2025112705151478000_18.11.e268199.7","doi-asserted-by":"crossref","DOI":"10.1186\/s13244-019-0701-2","article-title":"Multimodality imaging of paragangliomas of the head and neck","volume":"10","author":"Thelen","year":"2019","journal-title":"Insights Imaging"},{"key":"2025112705151478000_18.11.e268199.8","doi-asserted-by":"crossref","first-page":"1349","DOI":"10.3174\/ajnr.A1092","article-title":"Carotid body tumors: objective criteria to predict the Shamblin group on MR imaging","volume":"29","author":"Arya","year":"2008","journal-title":"AJNR Am J Neuroradiol"},{"key":"2025112705151478000_18.11.e268199.9","doi-asserted-by":"publisher","DOI":"10.3400\/avd.oa.13-00116"},{"key":"2025112705151478000_18.11.e268199.10","doi-asserted-by":"crossref","unstructured":"Qi Y , Xu J , Wu M , et al . DSA Diagnosis of Carotid Body Tumor. 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