![]() ![]() The CT also showed central calcifications and fatty components of the tumor. Computed tomography demonstrated the presence of a heterogeneous, hypodense mass, without contrast enhancement, located on the right side of the pelvis, near the right ovary. The laboratory examination of tumor markers revealed elevated tumor markers – carcino-embryonic antigen (CEA) (23.4 ng/mL), carbohydrate antigen 19.9 (CA 19.9) (155.1 IU/ml) and carbohydrate antigen (CA-125) (39.4 IU/ml). A laboratory examination was normal except for anemia with 10.9 g/dL hemoglobin. Abdominal and vaginal ultrasonography showed a large amount of free fluid in the abdomen with hyperechoic echogenicity and a right ovarian tumor with mixed echogenicity ( Fig. Gynecological examination revealed a palpable tender mass located near the right ovary. She had had arterial hypertension for 6 years. ![]() The patient had no history of tobacco use or alcohol or drug consumption. The women had no inheritable conditions and no family cancer history in first-degree relatives. ![]() The patient had no relevant history of urogynecological malignancies and gynecological diseases. Herein, a case of PMP of appendiceal origins mimicking ovarian cancer is reported.Ī 64-year-old postmenopausal woman (gravida 2, para 2) presented at the department of gynecology with a short history of nausea and abdominal distention. In gynecology, appendiceal neoplasms (AN) are often misdiagnosed as ovarian tumors. The diagnosis is estimated by ultrasonography (USG), computed tomography (CT), magnetic resonance imaging (MRI) and diagnostic laparoscopy followed by histopathologic verification. In gynecology, the premenstrual syndrome is often diagnosed during exploration for ovarian tumors. PMP is often asymptomatic in the initial stages and the diagnosis of most patients is during surgery for suspected appendicitis, peritonitis or gynecological cancer. The incidence of PMP is about 1 to 2 permillion per year with a high prevalence in females (female to male ratio 2–3 : 1). The most common cause of PMP is mucinous adenocarcinoma of the appendix, followed by neoplasm of the ovary, endocervix, fallopian tube alimentary organs, urachus, urinary bladder, lung, mucinous cyst of the spleen, and breast. Pseudomyxoma peritonei (PMP) is a rare and an uncommon condition, characterized by the presence of mucinous ascites in the abdominal cavity. Computed tomography, abdominal/vaginal ultrasonography and tumor marker levels (carcino-embryonic antigen, carbohydrate antigen 19.9, carbohydrate antigen Ca-125) may establish the diagnosis.Ī differential diagnosis with appendiceal tumors should be considered for patients with right pelvic masses. Gastrointestinal tumors such as appendiceal neoplasms combined with PMP may mimic ovarian carcinomas. Histopathology examination revealed poorly differentiated mucinous appendiceal adenocarcinoma, comprising up to 50% signet ring cells. A tumor (6 x 7 cm in diameter), arising from the appendix and located in the pouch of Douglas near the right ovary, was observed. Revision of the abdominal cavity revealed a large amount of yellow gelatinous mucinous ascites – approximately 1.5 l. ![]() Abdominal and vaginal ultrasonography showed a large amount of free fluid in the pelvis with hyperechoic echogenicity and right pelvic tumor with mixed echogenicity. Herein, we report a case of a 64-year-old postmenopausal woman (gravida 2, para 2) who presented at the department of gynecology with a short history of nausea and abdominal distention. The most common cause of PMP is mucinous adenocarcinoma of the appendix, followed by neoplasms of the ovary, endocervix, fallopian tube, alimentary organs, urachus, urinary bladder, lung, mucinous cyst of the spleen, and breast. Pseudomyxoma peritonei (PMP) is a rare and uncommon condition, characterized by the presence of mucinous ascites in the abdominal cavity. ![]()
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