Seo Yoon Hwang1, Chang In Choi2, Hong Jae Cho2, Dae Hwan Kim2, Seung Baek Hong3, Kyung Un Choi4, Dong Soo Suh1. 1. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Pusan National University Hospital and Pusan National University College of Medicine Busan, Republic of Korea. 2. Department of General Surgery, Pusan National University School of Medicine Busan, Republic of Korea. 3. Department of Radiology, Pusan National University School of Medicine Busan, Republic of Korea. 4. Department of Pathology, Pusan National University School of Medicine Busan, Republic of Korea.
Abstract
BACKGROUND: Gastrointestinal stromal tumor (GIST) of the small bowel is a rare malignancy and accounts for only 0.1-3% of all gastrointestinal neoplasms. GISTs may mimic gynecologic tumors. The authors present an unusual case of ruptured jejunal GIST with hemoperitoneum mimicking ovarian carcinoma. CASE PRESENTATION: A 57-year-old postmenopausal woman presented with progressive, generalized low abdominal pain for 3 months. Computed tomography (CT) imaging depicted a 9.6 cm-sized, complex and solid mass on the left pelvic cavity and a 3.7 cm-sized heterogeneous, enhancing mass on the right adnexa, suspicious for ovarian cancer accompanied by hemoperitoneum. There was no active bleeding. Laboratory examination revealed a low level of serum hemoglobin (6.7 g/dL), and a raised serum level of CA-125 (107.0 U/mL). Based on CT imaging findings and an elevated serum level of CA-125, bilateral ovarian cancer was suspected. The patient underwent exploratory laparotomy, and frozen section of the excised mass indicated malignancy originating from the small bowel jejunum. Consequently, small bowel segmental resection with mesenteric resection was done, and a debulking operation including hysterectomy, BSO, BPLD, omentectomy, and excision of multiple metastatic masses in the peritoneum was performed. Subsequent histopathologic examination confirmed the final diagnosis of high risk GISTs of the primary small bowel jejunum. The patient's postoperative course was uneventful, and adjuvant Imatinib was administered. CONCLUSION: The authors report an unusual case of ruptured jejunal GIST with hemoperitoneum mimicking ovarian carcinoma. Therefore, GIST, in addition to ovarian cancer, should be considered in patients with an increased serum level of CA-125 and an abdominopelvic mass. IJCEP
BACKGROUND: Gastrointestinal stromal tumor (GIST) of the small bowel is a rare malignancy and accounts for only 0.1-3% of all gastrointestinal neoplasms. GISTs may mimic gynecologic tumors. The authors present an unusual case of ruptured jejunal GIST with hemoperitoneum mimicking ovarian carcinoma. CASE PRESENTATION: A 57-year-old postmenopausal woman presented with progressive, generalized low abdominal pain for 3 months. Computed tomography (CT) imaging depicted a 9.6 cm-sized, complex and solid mass on the left pelvic cavity and a 3.7 cm-sized heterogeneous, enhancing mass on the right adnexa, suspicious for ovarian cancer accompanied by hemoperitoneum. There was no active bleeding. Laboratory examination revealed a low level of serum hemoglobin (6.7 g/dL), and a raised serum level of CA-125 (107.0 U/mL). Based on CT imaging findings and an elevated serum level of CA-125, bilateral ovarian cancer was suspected. The patient underwent exploratory laparotomy, and frozen section of the excised mass indicated malignancy originating from the small bowel jejunum. Consequently, small bowel segmental resection with mesenteric resection was done, and a debulking operation including hysterectomy, BSO, BPLD, omentectomy, and excision of multiple metastatic masses in the peritoneum was performed. Subsequent histopathologic examination confirmed the final diagnosis of high risk GISTs of the primary small bowel jejunum. The patient's postoperative course was uneventful, and adjuvant Imatinib was administered. CONCLUSION: The authors report an unusual case of ruptured jejunal GIST with hemoperitoneum mimicking ovarian carcinoma. Therefore, GIST, in addition to ovarian cancer, should be considered in patients with an increased serum level of CA-125 and an abdominopelvic mass. IJCEP
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