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Usefulness of ultrasonography for diagnosing iatrogenic spinal accessory nerve palsy after lymph node needle biopsy : a case report
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| Title: | Usefulness of ultrasonography for diagnosing iatrogenic spinal accessory nerve palsy after lymph node needle biopsy : a case report |
| Authors: | Suzuki, Hisataka Browse this author | | Matsui, Yuichiro Browse this author →KAKEN DB | | Iwai, Takahito Browse this author | | Nishida, Mutsumi Browse this author →KAKEN DB | | Iwasaki, Norimasa Browse this author →KAKEN DB |
| Keywords: | Ultrasonography | | Spinal accessory nerve palsy | | Iatrogenicity | | Needle biopsy | | Neurolysis |
| Issue Date: | 31-Oct-2020 |
| Publisher: | BioMed Central |
| Journal Title: | BMC musculoskeletal disorders |
| Volume: | 21 |
| Issue: | 1 |
| Start Page: | 712 |
| Publisher DOI: | 10.1186/s12891-020-03737-w |
| Abstract: | BackgroundSpinal accessory nerve (SAN) palsy is rare in clinical settings. Iatrogenicity is the most common cause, with cervical lymph node biopsy accounting for >50% of cases. However, SAN palsy after lymph node needle biopsy is extremely rare, and the injury site is difficult to identify because of the tiny needle mark.Case presentationA 26-year-old woman was referred to our hospital with left neck pain and difficulty abducting and shrugging her left shoulder after left cervical lymph node needle biopsy. Five weeks earlier, a needle biopsy had been performed at the surgery clinic because of suspected histiocytic necrotizing lymphadenitis. No trace of the needle biopsy site was found on the neck, but ultrasonography (US) showed SAN swelling within the posterior cervical triangle. At 3months after the injury, her activities of daily living had not improved. Therefore, we decided to perform a surgical intervention after receiving informed consent. We performed neurolysis because the SAN was swollen in the area consistent with the US findings, and nerve continuity was preserved. Shoulder shrugging movement improved at 1week postoperatively, and the trapezius muscle manual muscle testing score recovered to 5 at 1year postoperatively. The swelling diameter on US gradually decreased from 1.8mm preoperatively to 0.9mm at 6months.ConclusionWe experienced a rare case in which US was useful for iatrogenic SAN palsy. Our results suggest that preoperative US is useful for localization of SAN palsy and that postoperative US for morphological evaluation of the SAN can help assess recovery. |
| Rights: | http://creativecommons.org/licenses/by/4.0/ |
| Type: | article |
| URI: | http://hdl.handle.net/2115/79998 |
| Appears in Collections: | 国際連携研究教育局 : GI-CoRE (Global Institution for Collaborative Research and Education : GI-CoRE) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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