Although colorectal cancer is often considered as a single entity, initial management and staging of colorectal cancers differ depending on whether the primary tumor is located in the rectum or the colon. The rectum is short (approximately 15 cm) and very close to other structures, with only a narrow margin of fat between the rectal wall and the mesorectal fascia. In addition, unlike the colon,...

rectal cancer is the second most common cancer in large intestine. the prevalence and the number of young patients diagnosed with rectal cancer have made it as one of the major health problems in the world. with regard to the improved access to and use of modern screening tools, a number of new cases are diagnosed each year. considering the location of the rectum and its adjacent organs, manage...

Squamous cell carcinoma (SCC) of the rectum is a rare disease. A 59-year-old man presented with SCC of the middle rectum located 10 cm from the anus. The stage of the tumor was revealed to be T3N+M0. The patient received a combined treatment with cisplatin and fluorouracil in concomitance with external radiation therapy. He then underwent an anterior resection of the rectum. The postoperative h...

Objectives Sardinia populations experienced continuous shortage of water resources for thousands of years. To solve this problem, during 1950-1980, the main rivers were dammed creating 45 reservoirs which rapidly became eutrophic or hypertrophic, with toxic cyanobacterial blooms and a generally poor water quality. In order to investigate relations between some cancers occurrence and drinking ...

RATIONALE Less than 1% of breast carcinomas metastasize to the gastrointestinal tract. The diagnosis is frequently not recognized especially when the history of breast carcinoma is remote. PATIENT CONCERNS A 61-year-old female with a remote history of breast carcinoma presented with a 3-month history of change in bowel habits. Colonoscopy showed a circumferential rectal mass with initial impr...

Epithelial cancer of the colon and rectum, also known as colorectal cancer (CRC), results from a progressive accumulation of genetic and epigenetic alterations that lead to uncontrolled growth of colonocytes, the cells lining the colon and rectum. CRC is the second leading cause of cancer-related deaths and the third most common cancer in men and in women in the U.S. Of all the patients diagnos...

BACKGROUND Previous studies have variably shown excess risks of elected cancers among dentists. METHODS National Brazilian mortality data were used to obtain mortality patterns among dentists between 1996 and 2004. Cancer mortality odds ratios (MORs) and cancer proportional mortality ratios for all cancer sites were calculated, using the general population and physicians and lawyers as compar...

Background/introduction Magnetic resonance imaging (MRI)-guided transurethral ultrasound therapy is a minimally-invasive image-guided treatment for localized prostate cancer offering precise targeting of tissue within the gland. The accuracy of MR thermometry is critical for precise on-line feedback control as well as for monitoring potential thermal injury of surrounding tissues, especially th...

Colon cancer is extremely rare in children. This article reports three cases of adenocarcinoma of the colon. A 12-year-old boy, a 13-year-old boy, and a 13-year-old girl presented with constipation and abdominal enlargement over a two-month duration. Abdominal ultrasound and barium enema confirmed a stenotic segment at the rectum with obvious shouldering. Adenocarcinoma was diagnosed following ...

  Rectal cancer is the second most common cancer in large intestine. The prevalence and the number of young patients diagnosed with rectal cancer have made it as one of the major health problems in the world. With regard to the improved access to and use of modern screening tools, a number of new cases are diagnosed each year. Considering the location of the rectum and its adjacent organs, ma...