O'Mara, Niall Devil within: an incidental and rare finding of an extragonandal retroperitoneal germ cell teratoma carcinoid tumour. [electronic resource] - BMJ case reports Jun 2018 Publication Type: Case Reports; Journal Article ISSN: 1757-790X Standard No.: 10.1136/bcr-2017-223336 doi Subjects--Topical Terms: Carcinoid Tumor--pathologyCarcinoma, Neuroendocrine--pathologyDiagnosis, DifferentialGerm Cells--pathologyHumansIncidental FindingsLaparotomy--methodsMaleMiddle AgedRare DiseasesRetroperitoneal Neoplasms--diagnostic imagingTeratoma--pathologyTomography, X-Ray Computed--methodsTreatment Outcome