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But due to disease progression, an elective caesarean section was performed (30th week of pregnancy) to begin a chemotherapy regime incompatible with pregnancy. Despite acute complications related to prematurity, the newborn could be discharged from hospital at 45 days of life. The patient did not respond to the second treatment line and she is currently undergoing a third chemotherapy regime. Given the unusual occurrence of lymphoma during pregnancy, multidisciplinary teamwork between haematologists, neonatologists and obstetricians is essential to achieve the best maternal\u2013fetal outcome.<\/jats:p>","DOI":"10.1136\/bcr-2020-239462","type":"journal-article","created":{"date-parts":[[2021,2,24]],"date-time":"2021-02-24T11:15:26Z","timestamp":1614165326000},"page":"e239462","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Unclassifiable lymphoma in pregnancy"],"prefix":"10.1136","volume":"14","author":[{"given":"Mariola","family":"Hern\u00e1ndez Mart\u00ednez","sequence":"first","affiliation":[{"name":"Obstetrics and Gynecology Department, Hospital Cl\u00ednico Universitario, Valencia, Comunitat Valenciana, Spain"},{"name":"Pediatrics, Obstetrics and Gynecology Department, Universitat de Valencia Facultat de Medicina i Odontologia, Valencia, Comunitat Valenciana, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C\u00e9sar","family":"Liz\u00e1n Tudela","sequence":"additional","affiliation":[{"name":"Obstetrics and Gynecology Department, Hospital Cl\u00ednico Universitario, Valencia, Comunitat Valenciana, Spain"},{"name":"Pediatrics, Obstetrics and Gynecology Department, Universitat de Valencia Facultat de Medicina i Odontologia, Valencia, Comunitat Valenciana, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana","family":"Saus Carreres","sequence":"additional","affiliation":[{"name":"Hematology Department, Hospital Cl\u00ednico Universitario, Valencia, Comunitat Valenciana, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2021,2,24]]},"reference":[{"key":"2025082710424509000_14.2.e239462.1","doi-asserted-by":"crossref","first-page":"1579","DOI":"10.1016\/S1470-2045(17)30677-0","article-title":"Cancer incidence and mortality among young adults aged 20-39 years worldwide in 2012: a population-based study","volume":"18","author":"Fidler","year":"2017","journal-title":"Lancet Oncol"},{"key":"2025082710424509000_14.2.e239462.2","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1016\/j.ogc.2018.01.009","article-title":"Cancer in pregnancy","volume":"45","author":"McCormick","year":"2018","journal-title":"Obstet Gynecol Clin North Am"},{"key":"2025082710424509000_14.2.e239462.3","doi-asserted-by":"crossref","first-page":"233","DOI":"10.5603\/GP.2019.0042","article-title":"Hodgkin lymphoma in pregnancy - 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