Park Yul-Hyun, Kim Chul-Ho, Kim Jang-Hee, Park Jun-Eun, Yim Shin-Young
The Center for Torticollis, Department of Physical Medicine and Rehabilitation, Ajou University School of Medicine, Suwon, Korea.
Department of Otolaryngology, Ajou University School of Medicine, Suwon, Korea.
Ann Rehabil Med. 2018 Feb;42(1):189-194. doi: 10.5535/arm.2018.42.1.189. Epub 2018 Feb 28.
While congenital muscular torticollis (CMT) can occur along with other conditions, such as clavicle fracture or brachial plexus injury, these conditions exist outside the sternocleidomastoid muscle (SCM). We present a rare case with concurrence of CMT and a malignant tumor inside the same SCM, along with serial clinical and radiological findings of the atypical features of CMT. The malignant tumor was in fact a low-grade fibromyxoid sarcoma. To the best of our knowledge, the current case is the first of a concurrent condition of CMT inside the SCM. This case suggests that concurrent conditions could exist either inside or outside the SCM with CMT. Therefore, a thorough evaluation of SCM is required when subjects with CMT display atypical features, such as the increase of mass or poor response to conservative therapy. In that case, appropriate imaging modalities, such as ultrasonogram or magnetic resonance imaging, are useful for differential diagnosis.
虽然先天性肌性斜颈（CMT）可与其他病症同时出现，如锁骨骨折或臂丛神经损伤，但这些病症存在于胸锁乳突肌（SCM）之外。我们报告了一例罕见病例，CMT与同一SCM内的恶性肿瘤同时存在，并伴有CMT非典型特征的系列临床和影像学表现。该恶性肿瘤实际上是低度纤维黏液样肉瘤。据我们所知，目前该病例是SCM内CMT并发病症的首例。该病例表明，CMT的并发病症可能存在于SCM内部或外部。因此，当CMT患者表现出非典型特征，如肿块增大或对保守治疗反应不佳时，需要对SCM进行全面评估。在这种情况下，超声或磁共振成像等适当的影像学检查方法有助于鉴别诊断。
