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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.[ncbi.nlm.nih.gov] Leiomyosarcomas (LMS) are rare sinonasal malignant tumours with 20 cases of nasal LMS previously reported in the literature.[ncbi.nlm.nih.gov] Primary cardiac sarcomas are rare malignant tumours and among them, leiomyosarcoma is extremely rare. They are especially rare in a young age group.[ncbi.nlm.nih.gov]

  • 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.[scirp.org] […] 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[slideplayer.com] 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.[pancreas.imedpub.com]

  • Esophagitis

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

  • Hemorrhoids

    […] inflammatory bowel disease/malignancy.[slideshare.net] […] fecal occult blood test. 4 Figure 1.[aafp.org] 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[slideshare.net]

  • Familial Adenomatous Polyposis

    They rarely become malignant, but their significance is unclear, especially in non-syndromic patients.[ncbi.nlm.nih.gov] 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[emedicine.medscape.com] 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[ncbi.nlm.nih.gov]

  • Adenocarcinoma of the Colon

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

  • Cronkhite-Canada Syndrome

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

  • 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[en.wikipedia.org] A positive test for occult blood or hypochromic microcytic anemia was invariably present.[journals.lww.com] It is relatively rare compared to other gastrointestinal malignancies such as gastric cancer (stomach cancer) and colorectal cancer.[icd.codes]

  • Gastrointestinal Hemorrhage

    Interestingly, although strongyloidiasis is common among AIDS patients in endemic areas, the hyperinfection syndrome is rarely noted.[ncbi.nlm.nih.gov] Chronic or occult gastrointestinal bleeding is not apparent to the patient and usually presents as positive fecal occult blood or iron deficiency anemia.[ncbi.nlm.nih.gov] 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.[web.archive.org]

  • Adenocarcinoma of the Rectum

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

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