Cases reported "Jejunal Neoplasms"

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11/410. Congenital gastrointestinal pacemaker cell tumor.

    The interstitial cells of cajal complex within the gut wall function as a pacemaker to direct peristalsis. Their neoplastic counterpart is the gastrointestinal pacemaker cell tumor, a spindle and/or epithelioid cell mesenchymal tumor previously known as gastrointestinal stromal tumor or incorrectly called leiomyosarcoma in some cases of older reports. Although numerous cases of gastrointestinal leiomyosarcomas have been documented in the English-language literature, no pediatric case of gastrointestinal stromal tumor or gastrointestinal pacemaker cell tumor has, to our knowledge, been recorded. Herein, we report a case of congenital gastrointestinal pacemaker cell tumor confirmed by immunohistochemistry and electron microscopy in a full-term male newborn. ( info)

12/410. Tumor seeding of the jejunostomy site after transhiatal esophagectomy for esophageal carcinoma.

    A 65-year-old male patient with squamous cell carcinoma of the esophagus had a transhiatal esophagectomy after a prophylactic tube jejunostomy. The tube was removed 3 weeks after surgery. Ten months later, a painless 2-cm abdominal mass was noted at the previous jejunostomy site. Subsequent segmental resection of the jejunum disclosed metastatic squamous cell carcinoma of the esophagus. It is possible that tumor seeding may develop at the jejunostomy site after transhiatal esophagectomy for esophageal carcinoma. ( info)

13/410. Perforation of jejunal lymphoma--ultrasonographic diagnosis of free air over left flank area.

    Acute abdomen due to perforation of one of the hollow organs is one of the major challenges for clinicians. Traditionally, pneumoperitoneum shown on x-ray film taken of the decubitus view or in the standing position, is the major key to making a diagnosis of perforation. However, free air is not shown on x-ray film in about one third of cases and sometimes, a standing X-ray cannot be taken in weak patients or for various reasons. In such conditions, abdominal ultrasonography (US) plays a complementary role. Free air is usually detected between the anterior surface of the liver and the anterior abdominal wall by US. However, if free air is not detected on an erect X-ray or not demonstrated over the anterior surface of the liver by US, the diagnosis of perforation of the hollow organ will be difficult. We treated a patient with perforation of a small intestinal lymphoma, which presented as free air over the left flank area by US rather than the anterior surface of liver as is usually the case. Moreover, we located the perforated site pre-operatively by US, which detected focal thickening of a segment of small intestine with intramural slits. lymphoma of the jejunum with perforation was finally diagnosed after surgery. The value of US is justified in such a condition. ( info)

14/410. Metastatic melanoma of the small bowel as a cause of occult intestinal bleeding.

    Metastatic melanoma of the small bowel is a pathological entity that is not frequently reported but may present with features of unexplained anaemia. We report a case of a 51-year-old man with occult intestinal bleeding due to metastatic melanoma of the small bowel. Although the diagnosis was somewhat delayed, the patient was managed successfully by small bowel resection. Careful investigation of melanoma patients with gastrointestinal symptoms is important as surgical intervention often results in improved quality of life and survival. ( info)

15/410. A case of jejunal intussusception with gastrointestinal bleeding caused by metastatic testicular germ cell cancer.

    BACKGROUND/AIM: We report an unusual case of metastatic testicular germ cell tumor with its unusual presentation. METHOD: A patient presented to the San Joaquin General Hospital with gastrointestinal bleeding and obstruction and a testicular mass is described. The patient's clinical course is followed and the literature reviewed. RESULTS: The patient presented with jejunal intussusception due to metastatic testicular cancer. He was treated with orchiectomy and bowel resection followed by postoperative chemotherapy. CONCLUSION: This case illustrates the need to consider metastatic small-bowel obstruction and/or intussusception in patients presenting with testicular mass and abdominal pain. copyright copyright 1999 S. Karger AG, Basel ( info)

16/410. Do primary small intestinal melanomas exist? Report of a case.

    Metastatic melanoma to the gastrointestinal tract is not uncommon with the small intestine representing the most common site of gastrointestinal metastases. The occurrence of primary melanoma of the small intestine, however, is rare. We describe a case of primary melanoma of the small intestine and establish criteria for distinction between primary and metastatic small intestinal melanoma. ( info)

17/410. Case report: adenocarcinoma arising in a Crohn's stricture of the jejunum.

    patients with Crohn's disease affecting the small intestine appear to have an increased risk of developing adenocarcinoma. However, it remains an uncommon complication of an uncommon disease. The diagnosis is difficult to make both pre- and intra-operatively, and is most commonly made postoperatively on histopathology. Hence, at laparotomy, consideration should be given to performing a frozen section on all small bowel strictures due to Crohn's disease to define the presence of dysplasia or cancer. This will assist the surgeon in deciding whether to perform a stricturoplasty or a resection. ( info)

18/410. Emergency abdominal surgery for small bowel perforation secondary to metastatic lung cancer.

    Emergency surgery for bowel perforation caused by metastases from lung cancer is rare. Two cases of small bowel perforation due to metastasizing lung cancer are reported. Both patients were admitted as a surgical emergency case. One of the two patients presented herein survived and was discharged from the hospital. Perforated small bowel due to metastatic lung cancer is a highly fatal event that occurs in the late phases of the disease. Despite the poor prognosis, early and appropriate therapy will occasionally yield successful surgical palliation. patients with known lung cancer who develop abdominal complaints should be examined thoroughly and treated quickly. ( info)

19/410. Rare presentation of small bowel leiomyosarcoma with liver metastases.

    Intraabdominal sarcomas are rare tumours usually diagnosed at an advanced stage. These lesions at presentation are bulky and symptoms are often related to pressure effects on adjacent organs. This case report describes a rare presentation of a small bowel leiomyosarcoma whose initial presentation was free haemorrhage into the abdominal cavity and concomitant liver metastases. This case report also demonstrates that, even with such a rare presentation, an aggressive surgical approach is indicated in this type of tumour and helps a patient with advanced disease to live a few disease-free months with a good quality of life. ( info)

20/410. Metastatic jejunal vipoma: beneficial effect of combination therapy with interferon-alpha and 5-fluorouracil.

    The vipoma syndrome is rare. It is usually caused by a neuroendocrine tumor located in the pancreas. somatostatin analogs and interferon-a can be helpful in the symptomatic control of the disease, but the efficacy of chemotherapy in metastatic disease is limited. We report the case of a 32-yr-old patient who had a primary intestinal vipoma with peritoneal carcinomatosis and hepatic metastases. somatostatin analogs and conventional chemotherapy regimens were not effective on vipoma syndrome and tumor progression. The combination of 5- fluorouracil and interferon-alpha was associated with a major clinical improvement and tumor regression. Further investigations should evaluate the place of such a combination as a first line treatment for patients with metastatic neuroendocrine tumors. ( info)
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