Jejunal Mixed Adenoneuroendocrine Carcinoma (MANEC) With a Novel PTPRK-RSPO3 Fusion Initially Presenting as a Large Ovarian Mass: Diagnostic Challenges and Poor Prognosis
Background/Aim Jejunal mixed adenoneuroendocrine carcinomas (MANECs) are rare but aggressive tumors. We report such a case initially present as a large ovarian mass with a novel gene fusion. Case Report A 51-year-old female presented with multiple episodes of abdominal pain. Computed tomography (CT) scan showed a 16.1...