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The clinical examination included complete blood cell count, blood chemistry, endoscopy, ultrasound, radiographs, and computed tomography (CT). A solitary tracheal intraluminal and juxtatracheal lymphoma was diagnosed by fine needle aspiration (FNA). The owner requested euthanasia due to the uncertain prognosis. At postmortem examination, the presence of solitary lymphoma without involvement of other organs was confirmed. Immunohistochemical analysis confirmed a B-cell origin.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Conclusions<\/jats:title>\n<jats:p>Although multicentric lymphoma is the most commonly described neoplasia affecting South American camelids (SAC), solitary forms of the disease may occur.<\/jats:p>\n<\/jats:sec>","DOI":"10.1186\/s12917-020-02640-9","type":"journal-article","created":{"date-parts":[[2020,11,10]],"date-time":"2020-11-10T00:09:00Z","timestamp":1604966940000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Solitary tracheal B-cell lymphoma in an adult alpaca (Vicugna pacos)"],"prefix":"10.1186","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9113-5829","authenticated-orcid":false,"given":"Emma","family":"Marchionatti","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elke","family":"Van der Vekens","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laureen Mich\u00e8le","family":"Peters","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Taina Susanna","family":"Kaiponen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"In\u00eas","family":"Berenguer Veiga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patrik","family":"Zanolari","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,11,9]]},"reference":[{"key":"2640_CR1","first-page":"1245","volume":"187","author":"ME Fowler","year":"1985","unstructured":"Fowler ME, Gillespie D, Harkema J. 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