background and objectives: gastrointestinal polyps are proliferative or neoplastic mucosal lesions. the most important point about these polyps is risk of malignancy of them. this study was performed to determine type and frequency of polyps of gastrointestinal tract in iranian population according to their locations. materials and methods: totally, 210 patients referred to rasul-e-akram hospi...

A 51 year old woman with a two year history of ulcerative colitis developed a wide spread gastrointestinal non-Hodgkin's lymphoma of low grade malignancy (MALT-lymphoma) involving upper and lower gastrointestinal tract, spleen, and bone marrow. After chemotherapy, clinical symptoms improved and lymphocytic infiltrates disappeared. Thirty nine cases of ulcerative colitis and 22 cases of Crohn's ...

Coeliac disease (CD) is reported to be associated with risk of malignancy; however, this association remains unclear. We aimed to systematically evaluate the association between CD and risk of all malignancies as well as gastrointestinal (GI) malignancy specifically. The PUBMED and EMBASE databases were searched to identify eligible studies from 1960 to March 2015, without restriction. Two revi...

cronkhite-canada syndrome (ccs) is a rare, non-familial disorder of unknown etiology associated with alopecia, cutaneous hyperpigmentation, gastrointestinal polyposis, onychodystrophy, diarrhea, weight loss and abdominal pain.the prevalence ofâ gastrointestinal malignancy in ccs patients is about 13%, and especially is high in colorectal and gastric areas; 5 year mortality rate is 55%. in this ...

Malakoplakia is a rare granulomatous disease of the genitourinary system. Gastrointestinal tract is the second most common site of involvement. It usually mimics a malignancy but its association with adenocarcinoma has been rarely reported. A 59-year-old male patient with the history of weight loss and rectal bleeding for two months prior to administration was referred ...

OBJECTIVE To determine the age, sex and relative frequencies of various gastrointestinal malignancies in patients registered with the National Cancer Registry from the Western Region of Saudi Arabia from January 1994 till December 1997, and compare this data with previous hospital based studies about the pattern of these malignancies in Saudi Arabia. METHODS A National Cancer Registry was est...

Sister Mary Joseph's nodule is sometimes the first sign of an internal malignancy, including gastrointestinal, gynecological, or malignancy of unknown primary. It is rarely the sole presentation of a primary peritoneal cancer. In this report, we present the case of a 70-year-old female with umbilical drainage and a computed tomography scan consistent with solitary umbilical nodule. Excision of ...

Actinomyces israelii is a gram-positive, filamentous anaerobic bacteria colonizing the oral and gastrointestinal tracts. Retroperitoneal actinomycotic abscess is uncommon and its rare presentation as a hemorrhagic mass may be confused with malignancy. We present a case of this unusual infection complicating pregnancy. Increased awareness of actinomycotic abscess in the differential diagnosis of...

We report a case of a woman with a gastrointestinal bleeding. An esophageal ulcer was detected in the endoscopy, however a histological malignancy could not be found. A computer tomography (CT) scan showed a thickness in the distal esophagus and enlarged lymph nodes, so a malignancy was highly suspected. However, the patient refused to follow the recommended clinical procedure of a surgical int...

Obstructive jaundice resulting from malignancy of gastrointestinal tract and hepatobiliary tract has been reported in various studies. Ovarian malignancy leading to obstructive jaundice due to portal lymphadenopathy is of rare occurrence. We report a case presented with obstructive jaundice and on further evaluation, found to have ovarian papillary cyst adenocarcinoma with secondaries at porta ...