Cases reported "Peritoneal Neoplasms"

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1/305. Primary endodermal sinus tumor of the omentum.

    endodermal sinus tumor (EST) is a rare neoplasm which usually arises in the testis or ovary. But extragonadal EST is well recognized and may arise in a wide array of sites such as the mediastinum, vagina, and brain. We report a case of primary EST of the omentum and to our knowledge it is the first case of omental EST in the literature. A 45-year-old woman with a history of abdominal distension was treated with total abdominal hysterectomy with bilateral salpingo-oophorectomy and infracolic omentectomy, followed by four cycles of BEP (bleomycin, etoposide, cisplatin) combination chemotherapy. Microscopically, the tumor exhibited typical patterns of EST and stained for alpha-fetoprotein and cytokeratin. She has remained free of disease for 10 months of follow-up. According to previous studies, debulking surgery and BEP chemotherapy were used as primary therapy with good results. The subject of extragonadal EST is reviewed, and the possible histogenesis of this tumor at such a rare site is discussed.
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ranking = 1
keywords = neoplasm
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2/305. Peritoneal mucinous carcinomatosis after laparoscopic-assisted anterior resection for early rectal cancer: report of a case.

    Minimally invasive colon surgery has been shown to be both technically feasible and a safe alternative to laparotomy. Its efficacy for the curative resection of colorectal cancer, however, remains controversial. Of major concern are the increasing reports of port-site recurrence after use of laparoscopic techniques in malignant disease. In this article a heretofore unreported complication of peritoneal mucinous carcinomatosis after laparoscopic-assisted anterior resection for early stage rectal cancer is presented. Isolated peritoneal recurrence is rare after curative resection of Stage I rectal cancer. The effect of pneumoperitoneum on tumor dissemination is discussed.
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ranking = 1.1294169223589
keywords = cancer
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3/305. Extraosseous metastases of hepatocellular carcinoma detection and therapeutic assessment with Tc-99m PMT SPECT.

    Owing to recent advances in imaging technology and radiologic intervention, survival rates in patients with hepatocellular carcinoma have improved markedly. However, such prolonged survival has resulted in an increase in extrahepatic metastases. Tc-99m (Sn)-N-pyridoxyl-5-methyltryptophan (Tc-99m PMT), developed for hepatobiliary scintigraphy, has been used to visualize extrahepatic metastases, with most related reports limited to osseous metastases. The authors report two cases of hepatocellular cancer presenting as a hypopharyngeal metastasis and intraperitoneal dissemination along the tract of a fine-needle biopsy. Lesions undetectable on planar imaging could be visualized by Tc-99m PMT SPECT.
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ranking = 0.1613452746227
keywords = cancer
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4/305. Conservative surgery in a young patient with peritoneal psammocarcinoma.

    Psammocarcinoma is a rare epithelial neoplasm of the ovary and peritoneum. The reported management of patients with this tumor includes radical surgery and chemotherapy. We report the case of a young woman with metastatic psammocarcinoma treated with conservative surgery who is alive 6.5 years following positive second-look laparotomy.
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ranking = 1
keywords = neoplasm
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5/305. Primary peritoneal psammocarcinoma: A case presenting with an upper abdominal mass and elevated CA-125.

    Primary peritoneal serous adenocarcinoma with predominating psammoma bodies, psammocarcinoma, is a very rare tumor with only seven cases documented in the English literature. Pathological classification of this entity was established in 1990 and clinical behavior of this tumor is uncertain. Based on limited data these tumors appear to behave similarly to low malignant potential tumors of the ovary. This case describes a 59-year-old woman who underwent exploratory laparotomy for a large upper abdominal cystic mass. Findings included a large tumor mass involving the gastrocolic omentum and dense small bowel adhesions. The patient had normal ovaries and was debulked to no macroscopic disease. Final pathologic diagnosis confirmed a stage IIIC primary peritoneal psammocarcinoma. The patient has received no adjunctive therapy and is without evidence of disease 2 years after surgery. Primary peritoneal psammocarcinoma is a neoplasm which can mimic serous adenocarcinoma of the ovary. In contrast, primary peritoneal psammocarcinoma appears to behave in an indolent fashion. Primary surgical debulking should be attempted, while the utility of postoperative chemotherapy remains unknown.
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ranking = 1
keywords = neoplasm
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6/305. Cystogastric transmural drainage for the treatment of symptomatic cystic metastases from ovarian carcinoma.

    Approximately 80% of ovarian cancers are discovered when they have already progressed to stage III or IV lesions. The prognosis is, therefore, poor despite intensive treatment. Intraperitoneal dissemination is one of the most frequent pathways of distant spread ovarian cancer and pseudocystic metastases usually occur. When such cystic metastases remain symptomatic despite antitumor treatment, viable options are limited because palliative surgery generates high operative morbidity and mortality. For many years, in patients in whom the risks associated with surgery are high, percutaneous drainage and sclerosis under radiologic guidance has been performed as an effective alternative option for various forms of abdominal fluid collection. Such a collection in pancreatic pseudocyst benefits from cystogastric transmural drainage to avoid external drainage and achieves the same results as surgical cystogastrostomy. We report this transmural drainage technique under image guidance used to drain a symptomatic cystic metastasis, which was compressing the stomach.
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ranking = 0.3226905492454
keywords = cancer
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7/305. Multiple nodular metastases in mesenteric panniculitis by uterine papillary serous adenocarcinoma (UPSC): CT appearance of a case.

    Intra-abdominal panniculitis is a thickening of the mesentery of the small/large intestine due to infiltration of lipid-laden macrophages associated with a variable amount of fibrosis. This condition is rarely associated with malignant neoplasms. We report the computed tomography (CT) findings of a patient treated for uterine papillary serous adenocarcinoma (UPSC). She had mesenteric panniculitis where metastatic tumor nodules implanted. This was the only intraperitoneal recurrence. To our knowledge, no such finding has been reported in the gynecologic and radiologic literature to date. On CT images, the differential diagnosis is with cystic dilatations of mesenteric lymph vessels.
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ranking = 1
keywords = neoplasm
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8/305. pseudomyxoma peritonei with high serum CA19-9: report of three cases.

    pseudomyxoma peritonei (PMP) is an unusual form of intraabdominal neoplasm that produces a large amount of extracellular mucin. It is often associated with mucinous tumors of gastrointestinal tract or ovary. Herein, we report 3 patients with pseudomyxoma peritonei with high serum carbohydrate antigen 19-9 (CA19-9) levels. The first patient, who had a CA19-9 level of 1132 U/ml, had well-differentiated rectal cancer and died of chemotherapy complications, pneumonia and septic shock; one month after admission. The other 2 cases with CA19-9 levels of 2520 U/ml and 679 U/ml had tumors of unknown origins and had survived more than 1 year and 3 months after treatment, respectively. Usually, elevated serum CA19-9 levels are found in patients with pancreatic, biliary, colorectal, gastric or liver cancers. However, many studies have shown high serum CA19-9 levels are associated with mucinous carcinoma. Immunochemical studies also showed positive staining of CA19-9 in mucinous tumors. PMP is composed of large amounts of mucin, therefore, we suggest that serum and ascites CA19-9 levels should be routinely checked in patients with PMP.
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ranking = 1.3226905492454
keywords = neoplasm, cancer
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9/305. Extensive gastrectomy and carbon-adsorbed mitomycin C for gastric cancer with peritoneal metastases. case reports of survivors and their implications.

    BACKGROUND/AIMS: Extensive gastrectomy, defined as gastrectomy with complete omentectomy and extended lymphadenectomy, improves the survival of gastric cancer patients with peritoneal metastases, even though peritoneal metastasis is considered the end-stage of cancer. MMC-CH, a new dosage formulation of mitomycin C, extended the survival of rabbits with peritoneal carcinomatosis as compared to aqueous mitomycin C. METHODOLOGY: We retrospectively reviewed 114 patients who underwent gastrectomy for gastric cancer with peritoneal metastases. RESULTS: Six patients survived for more than 5 years after the therapy out of 63 patients treated with MMC-CH therapy and extensive gastrectomy for gastric cancer with P1, i.e., metastases to the adjacent peritoneum but no metastasis to the distant peritoneum, or P2, i.e., a few metastases to the distant peritoneum. However, there were no 5-year survivors in patients with P3, i.e., numerous metastases to the distant peritoneum, or in patients treated with incomplete omentectomy, limited lymphadenectomy and no MMC-CH therapy. CONCLUSIONS: The results imply that gastric cancer patients with P1 or P2 have a possible chance to survive more than 5 years when treated with MMC-CH therapy and extensive gastrectomy.
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ranking = 1.4521074716043
keywords = cancer
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10/305. Peritoneal recurrence of colon cancer detected by positron emission tomography: report of a case.

    Increased glucose metabolism has been reported to occur in association with colorectal cancer. As positron emission tomography (PET) using [18F]fluorodeoxyglucose is able to depict hypermetabolic sites, it can therefore be used to detect colorectal cancer. A 69-year-old male patient with a recurrent solitary liver metastasis from colon cancer underwent whole-body PET which revealed high [18F]fluorodeoxyglucose uptake in the lesion. Furthermore, PET revealed peritoneal metastases that had not been detected by conventional imaging methods. Consequently, PET proved useful in helping us to avoid performing unnecessary treatment for the liver metastasis. Although it is uncertain whether early identification of recurrence can prolong survival, it may help to prevent unnecessary treatments being carried out. Thus, the application of PET in carefully selected patients could be beneficial to the management of recurrent colorectal cancer.
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ranking = 1.2907621969816
keywords = cancer
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