Cases reported "Cecal Neoplasms"

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1/86. Morules with biotin-containing optically clear nuclei in colonic tubular adenoma.

    Morules have been reported in pulmonary endodermal tumors (PET) resembling fetal lung, in thyroid carcinoma, and in endometrial and colonic neoplasms. A morule has biotin-containing optically clear nuclei (OCN) in PET and thyroid carcinoma. biotin-containing OCN have been also reported in endometrial tissue during pregnancy and in endometrioid carcinoma of the ovary, and it has been postulated that morules or OCN develop under the influence of female sex hormones. The authors report here the first case, to their knowledge, of morules with OCN in a colonic adenoma from a 68-year-old man. The colonic polyp consisted of ordinary tubular adenomatous tissue and morules. Many cells in the morules contained OCN. The OCN were immunopositive for biotin and reacted with streptavidin. The neoplastic cells in the morules were immunopositive for oncofetal antigens. serum levels of female sex hormones were within the normal range, and no cells in the adenoma were immunopositive for receptors for progesterone and estrogen. The results indicate that OCN are rich in biotin and that morules may be embryologically immature elements that develop independently of influence by female sex hormones.
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ranking = 1
keywords = neoplasm
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2/86. Parietal mesh abscess as an original presentation of cancer of the caecum.

    We report a case of cancer of the caecum in a 71-year-old male who presented with parietal mesh abscess. Two years before, he was treated for a right inguinal hernia by insertion of a Dacron mesh. CT scan then colonoscopy determined the existence of a voluminous caecal tumor perforated in the abdominal wall with an important abscess around the mesh. Right colectomy and parietal muscles excision were performed completed with postoperative radiochemotherapy. At 2 years, there is no evidence of recurrence. Atypical features with a hernia mesh repair associated with a sudden change in the patient's condition should alert the clinician to the possibility of a further subjacent pathological process.
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ranking = 3.0566435150559
keywords = cancer
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3/86. A case of colon cancer recurrence with p-glycoprotein treated by methotrexate, fluorouracil, and leucovorin.

    A 68 year-old female underwent right hemicolectomy for an advanced cecum cancer and had been well without any evidence of recurrence for a year after surgery. Despite post-operative treatment with oral tegafur (400 mg/m2/day), CEA level increased gradually beginning 15 months after surgery. Sequential chemotherapy with methotrexate (MTX) and 5-fluorouracil (5-FU), followed by leucovorin rescue (MFL) was started on an outpatient basis, and has been continued every 4 weeks since then. It consisted of MTX (100 mg/m2) and 5-FU (600 mg/m2) started 24 hours after MTX, followed by oral leucovorin (15 mg/body) started 30 hours after MTX 6 times at intervals of 6 hours. CEA level declined initially, but increased slowly for 3 years on MFL, although no evidence of recurrence was detected by imaging studies with computed tomography, ultrasound, and scintigram. Four years after surgery, a tumor recurrence developed in the abdominal wall. The patient underwent resection of the tumor, resulting in a decline of the CEA level. She has been alive and well for 5 years on MFL after the primary surgery. Both the original tumor and recurrent tumor showed immunoreactivity for p-glycoprotein. The present case demonstrates the feasibility of using MFL on an outpatient basis, and its potential to suppress the colon cancer growth with p-glycoprotein expression.
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ranking = 3.667972218067
keywords = cancer
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4/86. Successful resection of cecal hepatic metastasis extending into the right side of the heart under cardiopulmonary bypass.

    Resection is the best hope for the cure of colorectal metastasis to the liver. However, surgery is indicated for only a few patients, especially those who have major vascular involvement. We report a 55-year-old woman with a liver metastasis from the cecum that showed a tumor thrombus in the right side of the heart. She had undergone laparoscopic right hemicolectomy for cecal cancer 6 months before, and presented with a palpable mass in the epigastrium. Abdominal ultrasonography, computed tomography, hepatic angiogram, and echocardiography showed a huge mass on the left lobe of the liver, with a tumor thrombus which extended to the right ventricle through the left hepatic vein and inferior vena cava. Tumor thrombectomy, through a right atriotomy, was success-fully performed under cardiopulmonary bypass, followed by left hepatic lobectomy. The patient's postoperative course was uneventful.
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ranking = 0.61132870301117
keywords = cancer
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5/86. Inflammatory myofibroblastic tumor with extensive involvement of the bowel in a 7-year-Old child.

    We present a case of unusual localization of inflammatory fibroblastic tumor in the terminal ileum, cecum, and ascending colon in a 7-year-old child. Segmental resection of the terminal ileum, cecum, and ascending colon with a tumor mass up to 6 cm in diameter was performed. Pathohistological examination of biopsy specimen was performed on routine hematoxylin-eosin sections, as well as immunohistochemically with primary antibodies to CD3, CD20, CD68, factor viii, vimentin, smooth muscle actin, desmin, cytokeratin and S-100 protein, and k and l light chains. The tumor was composed of highly vascularized tissue with interlacing fascicles of elongated spindle cells admixed with plasma cells, histiocytes, lymphocytes, and eosinophils. The diagnosis of inflammatory myofibroblastic tumor was confirmed by immunohistochemistry. Inflammatory myofibroblastic tumor cannot be distinguished clinically from highly malignant neoplasm or some other conditions. Surgical resection and careful pathohistological analysis are needed, and a long-term follow-up is recommended.
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ranking = 1
keywords = neoplasm
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6/86. angiolipoma of the colon with right lower quadrant abdominal pain.

    BACKGROUND/AIM: An angiolipoma is a common benign neoplasm with a characteristic vascular component that occurs in the subcutaneous tissue and rarely in the gastrointestinal tract. We report on a 69-year-old man with a submucosal angiolipoma in the cecum. methods: This patient was treated with a laparoscopy-assisted ileocecostomy, and a side-to-side anastomosis was performed extracorporeally. RESULTS: A light microscopic study supported the diagnosis of an angiolipoma of the colon. After 5 years of follow-up, the patient has no symptoms or signs of recurrence. CONCLUSION: The colonic angiolipoma was successfully removed using a minimally invasive laparoscopic technique. copyright copyright 1999 S. Karger AG, Basel
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keywords = neoplasm
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7/86. Appendiceal intussusception induced by tubulovillous adenoma with carcinoma in situ: report of a case.

    Appendiceal intussusception is an uncommon pathologic condition; however, villous adenoma of the appendix is a distinctly rare entity. We report herein a case of appendiceal intussusception induced by tubulovillous adenoma with carcinoma in situ. A 67-year-old man was admitted to our hospital with a 1-year history of lower abdominal pain for investigation. barium enema showed a filling defect with an irregular surface in the cecum, and colonoscopy revealed a cecal tumor with a granular surface. Pathological examination of biopsy samples revealed tubulovillous adenoma with well-differentiated adenocarcinoma, and a diagnosis of cecal cancer in tubulovillous adenoma was made. Surgery was performed and the resected specimen was found to contain a tumor arising from the appendix. The tumor was 5.5 x 4.5 cm in size in the cecal cavity, and the appendix had invaginated into the cecum at its base. The cut surface of the appendix showed the villous tumor filling the appendiceal lumen and projecting into the cecal cavity. Microscopic examination revealed well-differentiated adenocarcinoma in tubulovillous adenoma. To the best of our knowledge, this is the first report of appendiceal intussusception caused by tubulovillous adenoma with carcinoma of the appendix.
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ranking = 0.61132870301117
keywords = cancer
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8/86. neuroendocrine tumors of the gastroenteric canal. Anatomopathological and diagnostic-therapeutic definition. Description of a case with a rare cecal localisation.

    The authors take the case of a neuroendocrine tumour of the cecum as the starting point for an analysis of the anatomopathological and diagnostic-therapeutic aspects of these neoplasms. Furthermore, the authors underline that neuroendocrine tumours (NET) of the colon represent an extremely rare nosological entity and that they are heterogeneous from a clinical and biochemical point of view, thus making a reliable preoperative diagnosis a problem that is still difficult to resolve today.
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ranking = 1
keywords = neoplasm
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9/86. Metastatic involvement of ceco-appendicular segment: a diagnosis of right lower quadrant abdominal pain in patient receiving chemotherapy.

    Metastases are a common feature during the evolution of breast cancer. However, gastrointestinal metastases, and especially ceco-appendicular ones, are very rare. melanoma however frequently metastasize in the gastrointestinal tract. Ceco-appendicular metastases do not display any specific signs in cancerous patients. These rare metastases must be considered in the diagnosis of right lower quadrant pain in cancerous patients. The main differential diagnosis includes neutropenic enterocolitis, acute appendicitis, malignant intestinal obstruction and perforation of the bowel. The morbidity of gastrointestinal complications in patients with metastatic cancer receiving chemotherapy is significant and surgery is often the only chance of survival. The major clinical decision is whether or not to operate.
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ranking = 2.4453148120447
keywords = cancer
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10/86. appendicitis caused by caecal carcinoma--a case report.

    appendicitis can occur rarely in association with carcinoma of the caecum, particularly in elderly patients. The prognosis for caecal or proximal colonic neoplasm presenting as appendicitis is poor. This is in part due to the association being missed at the initial laparotomy. We report a case of acute appendicitis provoked by an adenocarcinoma of the caecum which obstructed the lumen of appendix in an 84 years old patient by which a simple ileocaecal resection was performed. The difficulties of identifying a small tumor at laparotomy and the implication for optimal treatment are emphasized. It is suggested that a more aggressive attitude should be taken in the pre and postoperative management of any patient over 50 years of age who presents with appendicitis.
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ranking = 1
keywords = neoplasm
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