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We report a patient with advanced lung metastases from adenoid cystic carcinoma (ACC) of the EAC, which is difficult to diagnose. Under general anesthesia, lengthened right temporal bone resection, parotidectomy, facial nerve resection, cervical lymph node dissection (I-III), partial mandibular resection, tumor resection in the inferior temporal fossa and lateral femoral flap repair were performed, followed by regular radiotherapy and chemotherapy. During 2\u00a0years of postsurgical follow-up, there was no recurrence. The combination of early detection, resection, postoperative radiotherapy, and chemotherapy can result in a good therapeutic effect.<\/jats:p>","DOI":"10.1177\/01455613231158800","type":"journal-article","created":{"date-parts":[[2023,3,15]],"date-time":"2023-03-15T04:43:56Z","timestamp":1678855436000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Intrapulmonary Metastasis from Adenoid Cystic Carcinoma of the External Auditory Canal: A Case Report"],"prefix":"10.1177","volume":"104","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6226-240X","authenticated-orcid":false,"given":"Songbo","family":"Xue","sequence":"first","affiliation":[{"name":"Peking Union Medical College Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0844-0567","authenticated-orcid":false,"given":"Liqin","family":"Zhang","sequence":"additional","affiliation":[{"name":"Peking Union Medical College Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yang","family":"Zhao","sequence":"additional","affiliation":[{"name":"Peking Union Medical College Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xu","family":"Tian","sequence":"additional","affiliation":[{"name":"Peking Union Medical College Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1393-4227","authenticated-orcid":false,"given":"Jie","family":"Yu","sequence":"additional","affiliation":[{"name":"Peking Union Medical College Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinyu","family":"Ren","sequence":"additional","affiliation":[{"name":"Peking Union Medical College Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qing","family":"Zhang","sequence":"additional","affiliation":[{"name":"Peking Union Medical College Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhiqiang","family":"Gao","sequence":"additional","affiliation":[{"name":"Peking Union Medical College Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3622-5848","authenticated-orcid":false,"given":"Guodong","family":"Feng","sequence":"additional","affiliation":[{"name":"Peking Union Medical College Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2023,3,15]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/MLG.0b013e31817c42a8"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjoto.2008.02.007"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjoto.2013.01.018"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00405-012-2159-4"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1136\/bcr-02-2012-5914"},{"issue":"4","key":"e_1_3_3_7_2","first-page":"582","article-title":"Squamous cell carcinoma of the external auditory canal: An evaluation of a staging system","volume":"21","author":"Moody SA","year":"2000","unstructured":"Moody SA, Hirsch BE, Myers EN. 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