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1.  Adenomatous Colorectal Polyps in Patients Referred for Colonoscopy in a Regional Hospital in Kuwait 
Background/Aim:
Adenomatous colorectal polyps (ACPs) are known to be the precursor lesions for colorectal cancer. The aim of the study was to determine the prevalence, endoscopic and pathological features of ACPs in patients referred for colonoscopy.
Patients and Methods:
The endoscopic and histological reports of adult patients who underwent complete colonoscopy in the gastroenterology unit of a regional Kuwaiti hospital between January 2008 and December 2008 were retrospectively studied. The specimens of polyps were reviewed by an experienced pathologist who was blinded to the clinical or endoscopic information. Non-neoplastic polyps were not included in the analysis.
Results:
Of 530 eligible patients (mean age, 45 years; male-female ratio, 2:1), 54 (10%) had 103 ACPs. Of the patients with ACPs (mean age, 57 years), 43 (80%) were males and 36 (67%) were Kuwaitis. Histopathological examination of the most significant polyp in each patient revealed that 40 (74%) polyps were tubular adenomas (TAs); 11 (20%), tubulovillous (TV) adenomas; and 3 (6%), villous adenomas. High-grade dysplasia was noticed in 4 (10%) adenomas. Fifteen (2.8%) of the 530 patients had advanced ACPs. Logistic regression analysis of some variables and their association with ACPs found that age (P<0.001; OR, 1.9; CI, 1.5-2.3), history of adenoma (P=0.001; OR, 6.4; CI, .2.1-19.4) and being Kuwaitis (P=0.029; OR, 2.1; CI, 1.1-4.1) to be independently associated with ACPs.
Conclusion:
The most common histological type of ACPs was tubular adenoma. Advancing age, being Kuwaiti nationals and prior removal of ACPs were significantly associated with the occurrence of ACPs.
doi:10.4103/1319-3767.65194
PMCID: PMC3003207  PMID: 20616414
Colonoscopy; colorectal polyps; Kuwait
2.  Solitary Rectal Ulcer Syndrome: A Clinicopathological Study of 13 Cases 
Background/Aims:
Solitary rectal ulcer syndrome (SRUS) is a rare disorder that has a wide spectrum of clinical presentation and variable endoscopic findings. To further characterize the clinical and pathological features, a retrospective, hospital-based clinicopathological study was conducted.
Materials and Methods:
All cases of SRUS diagnosed at Farwania Hospital, Kuwait, between 2002 and 2007 were retrieved from the computerized filing system. The histological slides were reviewed by two authors to confirm the diagnosis. Immunohistochemical stain for smooth muscle actin (SMA) was performed. The clinical files were reviewed for clinical features and endoscopic findings.
Results:
Thirteen cases were identified: 8 males and 5 females. The age range was 15–85. Rectal bleeding, constipation, and abdominal pain were the most common presenting symptoms and were seen, either alone or in various combinations, in 12 of the 13 cases. Rectal ulceration was the most common endoscopic finding, being seen in 9 of the 13 cases; 3 of these cases had multiple ulcerations. Two patients had rectal polyps, with one of them having multiple polyps. The histological examination revealed surface serration, fibromuscular obliteration of the lamina propria, and crypts' distortion in all the cases. Seven of the cases had diamond crypts. Ectatic mucosal vessels were a common finding. Positivity for SMA in the lamina propria was seen in all examined cases.
Conclusion:
SRUS is a rare disorder and only 13 cases were diagnosed in Farwania hospital over a 6-year period. The clinical presentation of our patients was variable. The presence of polyps and multiple ulcerations on endoscopy is further evidence that SRUS is a misnomer. Surface serration, fibromuscular obliteration, and crypts' distortion are the most characteristic features. The presence of diamond crypts is an additional diagnostic feature.
doi:10.4103/1319-3767.54749
PMCID: PMC2841419  PMID: 19636181
Constipation; rectal; solitary; ulcer

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