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Colloid carcinoma of the cervix and endometrial adenocarcinoma: A case report of collision tumor
Ali Anjelica Uy-Abuan, MD and Maria Lora C. Tupas, MD, FPOGS, FSGOP
Department of Obstetrics and Gynecology, West Visayas State University Medical Center
Objectives: To define and explain the pathogenesis, histogenesis and management; as well as present previously reported collision tumors in different countries as well as in our local setting.
Clinical case: This is a rare case of a 68-year-old nulligravid who complained of postmenopausal bleeding. Imaging studies revealed a uterine mass. Differential diagnosis non-neoplastic conditions and benign and malignant neoplasms. Radical Modified hysterectomy with bilateral salpingo-oophorectomy with frozen section and complete staging was performed. Histopathology revealed a coexistence of a colloid carcinoma of the cervix and endometrial adenocarcinoma.
Conclusion: Collision Tumors are infrequent neoplasias, there are few reports about them in medical literature. Colloid carcinoma of the cervix is a rare subtype and few studies are reported in literature. Their prognosis is unknown since there are no previous similar cases. Colloid carcinomas present a histologic as well as clinical dilemma. Their histogenetic origin remains controversial and their rarity precludes determination of the best treatment options to improve survival outcomes.