{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T04:29:39Z","timestamp":1769747379493,"version":"3.49.0"},"reference-count":16,"publisher":"BMJ","issue":"1","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2026,1,5]]},"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:p>Muscular sarcoidosis is a rare disease characterised by non-caseating granulomas in muscle tissue. We report a woman in her late 70s with progressive lower-limb weakness, in whom ultrasonography revealed distinctive hypoechoic tumours in muscles. Using superb microvascular imaging (SMI), we detected intricate vascular networks within these lesions, which had not been previously reported in muscular sarcoidosis. Based on the clinical presentation and overall sonographic findings, muscular sarcoidosis was suspected, and a subsequent muscle biopsy provided findings consistent with this diagnosis. After steroid therapy, clinical improvement corresponded with decreased tumour size and reduced vascularity on follow-up ultrasonography. Ultrasonography enhanced by SMI may offer a valuable approach for both detecting muscular sarcoidosis and non-invasively monitoring its therapeutic response.<\/jats:p>","DOI":"10.1136\/bcr-2025-267288","type":"journal-article","created":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T14:40:16Z","timestamp":1769697616000},"page":"e267288","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Neuromuscular ultrasound with superb microvascular imaging in muscular sarcoidosis: morphological features and treatment monitoring"],"prefix":"10.1136","volume":"19","author":[{"given":"Masakazu","family":"Hirose","sequence":"first","affiliation":[{"name":"Department of Neurology, Kyoto University Graduate School of Medicine Faculty of Medicine, Kyoto, Japan"},{"name":"Department of Neurology, Tenri Hospital, Tenri, Nara Prefecture, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takuya","family":"Katayama","sequence":"additional","affiliation":[{"name":"Department of Neurology, Tenri Hospital, Tenri, Nara Prefecture, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shintaro","family":"Sugiyama","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine, Tenri Hospital, Tenri, Nara Prefecture, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sota","family":"Baba","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine, Tenri Hospital, Tenri, Nara Prefecture, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akiharu","family":"Yoshioka","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine, Tenri Hospital, Tenri, Nara Prefecture, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takamichi","family":"Kitagawa","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine, Tenri Hospital, Tenri, Nara Prefecture, Japan"},{"name":"Department of Clinical Laboratory, Nara Prefecture General Medical Centre, Nara, Nara Prefecture, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akiyo","family":"Shinde","sequence":"additional","affiliation":[{"name":"Department of Neurology, Tenri Hospital, Tenri, Nara Prefecture, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshihiko","family":"Suenaga","sequence":"additional","affiliation":[{"name":"Department of Neurology, Tenri Hospital, Tenri, Nara Prefecture, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2026,1,29]]},"reference":[{"key":"2026012906401076000_19.1.e267288.1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9343(63)90165-7"},{"key":"2026012906401076000_19.1.e267288.2","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.36.6.1034"},{"key":"2026012906401076000_19.1.e267288.3","doi-asserted-by":"publisher","DOI":"10.1016\/S0929-6441(08)60037-5"},{"key":"2026012906401076000_19.1.e267288.4","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.162.2.8310929"},{"key":"2026012906401076000_19.1.e267288.5","doi-asserted-by":"crossref","DOI":"10.1212\/NXI.0000000000000452","article-title":"Symptomatic muscular sarcoidosis: Lessons from a nationwide multicenter study","volume":"5","author":"Cohen Aubart","year":"2018","journal-title":"Neurol Neuroimmunol Neuroinflamm"},{"key":"2026012906401076000_19.1.e267288.6","doi-asserted-by":"publisher","DOI":"10.1002\/mus.20683"},{"key":"2026012906401076000_19.1.e267288.7","doi-asserted-by":"crossref","first-page":"995","DOI":"10.2214\/ajr.183.4.1830995","article-title":"Imaging findings in three cases of the nodular type of muscular sarcoidosis","volume":"183","author":"Tohme-Noun","year":"2004","journal-title":"AJR Am J Roentgenol"},{"key":"2026012906401076000_19.1.e267288.8","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-0096(199711\/12)25:9<515::AID-JCU11>3.0.CO;2-3"},{"key":"2026012906401076000_19.1.e267288.9","doi-asserted-by":"crossref","first-page":"1214","DOI":"10.1002\/jcu.23759","article-title":"Non-negligible ultrasonographic findings in sarcoid myositis: A case series and literature review","volume":"52","author":"Lv","year":"2024","journal-title":"J Clin Ultrasound"},{"key":"2026012906401076000_19.1.e267288.10","doi-asserted-by":"publisher","DOI":"10.1007\/s004280050135"},{"key":"2026012906401076000_19.1.e267288.11","doi-asserted-by":"crossref","first-page":"481","DOI":"10.1007\/s11547-020-01141-x","article-title":"Superb microvascular imaging (SMI) in the evaluation of musculoskeletal disorders: a systematic review","volume":"125","author":"Gitto","year":"2020","journal-title":"Radiol Med"},{"key":"2026012906401076000_19.1.e267288.12","doi-asserted-by":"crossref","DOI":"10.1007\/s11926-020-00947-y","article-title":"Diagnostic Value of Muscle Ultrasound for Myopathies and Myositis","volume":"22","author":"Albayda","year":"2020","journal-title":"Curr Rheumatol Rep"},{"key":"2026012906401076000_19.1.e267288.13","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1093\/rheumatology\/keab340","article-title":"A novel grey scale and Power Doppler ultrasonographic score for idiopathic inflammatory myopathies: Siena Myositis Ultrasound Grading Scale","volume":"61","author":"Conticini","year":"2021","journal-title":"Rheumatology"},{"key":"2026012906401076000_19.1.e267288.14","doi-asserted-by":"crossref","first-page":"2986","DOI":"10.1002\/art.39798","article-title":"Brief Report: Power Doppler Ultrasonography for Detection of Increased Vascularity in the Fascia: A Potential Early Diagnostic Tool in Fasciitis of Dermatomyositis","volume":"68","author":"Yoshida","year":"2016","journal-title":"Arthritis Rheumatol"},{"key":"2026012906401076000_19.1.e267288.15","first-page":"351","article-title":"A longitudinal study using B mode ultrasound and power Doppler as monitoring imaging tools in inclusion body myositis","volume":"42","author":"Paramalingam","year":"2024","journal-title":"Clin Exp Rheumatol"},{"key":"2026012906401076000_19.1.e267288.16","doi-asserted-by":"crossref","first-page":"e299","DOI":"10.15557\/JoU.2023.0036","article-title":"Practical approach to ultrasound of soft tissue tumors and the added value of MRI: how I do it","volume":"23","author":"Griffith","year":"2023","journal-title":"J Ultrason"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2025-267288","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T14:40:19Z","timestamp":1769697619000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2025-267288"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,1]]},"references-count":16,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,1,29]]},"published-print":{"date-parts":[[2026,1]]}},"alternative-id":["10.1136\/bcr-2025-267288"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2025-267288","relation":{},"ISSN":["1757-790X"],"issn-type":[{"value":"1757-790X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1]]}}}