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297 Possible Causes for Occult Blood Positive, Rarely Malignant

  • Leiomyosarcoma

    In conclusion, primary pancreatic leiomyosarcoma is a rare and highly malignant tumor associated with poor prognosis.[] Leiomyosarcomas (LMS) are rare sinonasal malignant tumours with 20 cases of nasal LMS previously reported in the literature.[] Primary cardiac sarcomas are rare malignant tumours and among them, leiomyosarcoma is extremely rare. They are especially rare in a young age group.[]

  • Adenocarcinoma of the Ampulla of Vater

    ., et al. (2013) Poorly-Differentiated Signet-Ring Cell Carcinoma of the Ampulla of Vater: Report of a Rare Malignancy.[] […] fecal occult blood test result Very rarely distinctive silver stools, which result from a combination of the absence of bilirubin and the presence of blood. 5 Diagnosis The[] Signet ring cell carcinoma of Vater's papilla: a very rare malignancy. HelvChirActa. 1994;60:987-90. [PMID 7876027] Tseng LJ, Jao YT, Mo LR.[]

  • Esophagitis

    Because cancer only rarely occurs in the pediatric age group (10), that issue is discussed elsewhere (7,11).[] BARRETT ESOPHAGUS The importance of BE is 2-fold: it is a marker for the presence of severe GERD and it has malignant potential.[]

  • Hemorrhoids

    […] inflammatory bowel disease/malignancy.[] […] fecal occult blood test. 4 Figure 1.[] Rarely a flexible sigmoidocopy is used but this is less sensitive than a proctoscope at detecting haemorrhoids and is used mainly as part of further investigations exclude[]

  • Familial Adenomatous Polyposis

    They rarely become malignant, but their significance is unclear, especially in non-syndromic patients.[] If screened after a positive fecal occult blood test result, the prevalence increases to 0.34% to 0.66%. [31] International Worldwide studies of Gardner syndrome kindreds[] Splenic hamartomas have a strong association with solid and hematological malignancies and, in rare cases, with tuberous sclerosis, but to the best of our knowledge no reports[]

  • Adenocarcinoma of the Colon

    Metastases to the breast from extramammary malignancies are rare.[] […] fecal occult blood test.[] In children, primary AC of the colon is very rare; colonic AC occurring as a second malignancy in a child is rarer still.[]

  • Cronkhite-Canada Syndrome

    Cronkhite-Canada syndrome (CCS) is a very rare disease which may cause malignant transformation.[] Fecal occult blood was positive in all six cases. Serum hemoglobin, potassium, calcium and protein were below the normal range in two cases.[] Prognosis The clinical course of CCS is progressive with occasional spontaneous remissions and frequent relapses, and with rare progression to malignancy.[]

  • Malignant Neoplasm of the Small Intestine

    It is relatively rare compared to other gastrointestinal malignancies such as gastric cancer (stomach cancer) and colorectal cancer.Small intestine cancer can be subdivided[] A positive test for occult blood or hypochromic microcytic anemia was invariably present.[] It is relatively rare compared to other gastrointestinal malignancies such as gastric cancer (stomach cancer) and colorectal cancer.[]

  • Gastrointestinal Hemorrhage

    Interestingly, although strongyloidiasis is common among AIDS patients in endemic areas, the hyperinfection syndrome is rarely noted.[] Chronic or occult gastrointestinal bleeding is not apparent to the patient and usually presents as positive fecal occult blood or iron deficiency anemia.[] Robust patients with brown stools that test positive for occult blood, on the other hand, may harbor a deadly malignancy or a rapidly fatal aortoenteric fistula.[]

  • Adenocarcinoma of the Rectum

    As survival for childhood tumors improves, rare second malignant neoplasms will become increasingly common in children and adolescents.[] […] fecal occult blood test.[] Malignant transformation (MT) of an ovarian cystic teratoma is rare and usually occurs in postmenopausal women ( 8 ).[]

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