Fatin N Sahar, Hilwati Hashim, Norliana D Mohamad Ali, Masaany Mansor, Yin P Wong
{"title":"Lyre征-神经鞘瘤类似颈动脉体瘤。","authors":"Fatin N Sahar, Hilwati Hashim, Norliana D Mohamad Ali, Masaany Mansor, Yin P Wong","doi":"10.4102/sajr.v29i1.3072","DOIUrl":null,"url":null,"abstract":"<p><p>Nerve sheath tumours of the sympathetic chain are extremely rare and present a diagnostic challenge. A 42-year-old female presented with asymptomatic left cervical swelling. Imaging with sonography, CT, MR and angiography demonstrated a lesion splaying the carotid bifurcation, the lyre sign. Following surgical excision, histology revealed a schwannoma. Imaging features of carotid body tumours and parapharyngeal schwannomas can be similar, as both can cause splaying of the carotid bifurcation. The differential diagnosis of such tumours and their management are discussed.</p><p><strong>Contribution: </strong>This article highlights another cause of the lyre sign on radiological imaging besides carotid body tumours.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"29 1","pages":"3072"},"PeriodicalIF":0.9000,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12135724/pdf/","citationCount":"0","resultStr":"{\"title\":\"Lyre sign - Where schwannoma mimics a carotid body tumour.\",\"authors\":\"Fatin N Sahar, Hilwati Hashim, Norliana D Mohamad Ali, Masaany Mansor, Yin P Wong\",\"doi\":\"10.4102/sajr.v29i1.3072\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Nerve sheath tumours of the sympathetic chain are extremely rare and present a diagnostic challenge. A 42-year-old female presented with asymptomatic left cervical swelling. Imaging with sonography, CT, MR and angiography demonstrated a lesion splaying the carotid bifurcation, the lyre sign. Following surgical excision, histology revealed a schwannoma. Imaging features of carotid body tumours and parapharyngeal schwannomas can be similar, as both can cause splaying of the carotid bifurcation. The differential diagnosis of such tumours and their management are discussed.</p><p><strong>Contribution: </strong>This article highlights another cause of the lyre sign on radiological imaging besides carotid body tumours.</p>\",\"PeriodicalId\":43442,\"journal\":{\"name\":\"SA Journal of Radiology\",\"volume\":\"29 1\",\"pages\":\"3072\"},\"PeriodicalIF\":0.9000,\"publicationDate\":\"2025-05-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12135724/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"SA Journal of Radiology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.4102/sajr.v29i1.3072\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2025/1/1 0:00:00\",\"PubModel\":\"eCollection\",\"JCR\":\"Q4\",\"JCRName\":\"RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"SA Journal of Radiology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4102/sajr.v29i1.3072","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/1 0:00:00","PubModel":"eCollection","JCR":"Q4","JCRName":"RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING","Score":null,"Total":0}
Lyre sign - Where schwannoma mimics a carotid body tumour.
Nerve sheath tumours of the sympathetic chain are extremely rare and present a diagnostic challenge. A 42-year-old female presented with asymptomatic left cervical swelling. Imaging with sonography, CT, MR and angiography demonstrated a lesion splaying the carotid bifurcation, the lyre sign. Following surgical excision, histology revealed a schwannoma. Imaging features of carotid body tumours and parapharyngeal schwannomas can be similar, as both can cause splaying of the carotid bifurcation. The differential diagnosis of such tumours and their management are discussed.
Contribution: This article highlights another cause of the lyre sign on radiological imaging besides carotid body tumours.
期刊介绍：
The SA Journal of Radiology is the official journal of the Radiological Society of South Africa and the Professional Association of Radiologists in South Africa and Namibia. The SA Journal of Radiology is a general diagnostic radiological journal which carries original research and review articles, pictorial essays, case reports, letters, editorials, radiological practice and other radiological articles.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
