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Case of spontaneous hernia through the transverse mesocolon

BALASEGARAM M

Med J Malaya, 1963 Mar;17:187-90.
PMID: 13969251
Matched MeSH terms: Colon, Transverse*
Fulltext Anomalous peritoneal band connecting greater omentum to the ascending colon: a possible cause for dilation of ascending colon

Nayak SB, Soumya KV

Anat Cell Biol, 2020 Sep 30;53(3):372-375.
PMID: 32647076 DOI: 10.5115/acb.20.082

Anomalies of the peritoneum and the colon are quite common. Some of these anomalies can disturb the normal digestive and absorptive functions of the intestine and the others might result in formation of volvulus or impede the blood supply of the intestine. We report a rare, combined variation of peritoneum and ascending colon. In a 70-year-old male cadaver, the greater omentum was very small and extended only for about an inch below the transverse colon. From its lower end, a fibrous band extended to the right wall of the upper part of ascending colon. There was a deep constriction on the right wall of the ascending colon at the site of attachment of the fibrous band. The ascending colon was grossly dilated. Further, the ascending colon was mobile and presented a small ascending mesocolon along its left edge. We discuss the possible embryological basis and clinical and surgical relevance of the case.

Matched MeSH terms: Colon, Transverse
Fulltext Intramural gas: would it be life-threatening

Azna Aishath Ali, Syamim Johan, Chiak, Yot Ng, Firdaus Hayati

Borneo Journal of Medical Sciences, 2020;14(3):63-64.
MyJurnal

The CECT scan of the abdomen at axial and coronal views show gas bubbles tracking along the inner wall of the ascending colon and hepatic flexure, which is separated from the intraluminal gas within the bowel. These intramural gas bubbles appear to be outlining the bowel wall circumferentially. The bowel wall appears to be thickened however the inner mucosa is not enhanced. There are no ascites in the images provided. The colon of the hepatic flexure and transverse colon appears dilated. No significant atherosclerotic plaque in the visualised arteries. Based on the clinical presentations and CECT features in Figure 1 and Figure 2, the best diagnosis for him is benign pneumatosis intestinalis (PI) secondary to obstructed low rectal cancer. He was subjected for a trephine transverse colostomy to relieve the obstruction with simultaneous transanal rectal mass biopsy. Once the histology is available, he subsequently will be referred for concurrent chemo-radiotherapy as neoadjuvant treatment and later for a low anterior resection, provided that it is a localized disease.

Matched MeSH terms: Colon, Transverse
Extranodal NK/T-cell lymphoma mimicking Crohn's colitis

Wan Ahmad Kammal WS, Mohd Rose I, Md Zin RR, Raja Ali RA, Masir N

Malays J Pathol, 2019 Aug;41(2):195-199.
PMID: 31427556

INTRODUCTION: Extranodal NK/T cell lymphoma is a rare tumour, typically involving the upper aerodigestive tract. Even rarer is primary extranasal disease involving the skin, testis, soft tissue and gastrointestinal tract.
CASE REPORT: We report a case of a 46-year-old Chinese male who presented with six months history of abdominal pain, weight loss and rectal bleeding. Diagnostic colonoscopy revealed multiple aphthous ulcers within the ileo-caecal region and distal transverse colon, separated by normal mucosa, mimicking skip lesions of Crohn's colitis. Computer topography (CT) scan of the abdomen showed multiple circumferential thickenings involving predominantly the right colon. A clinical diagnosis of colonic Crohn's disease with possible perforation was made. An extended right hemicolectomy was performed due to uncontrolled rectal bleeding. Histopathology examination of the colon showed infiltration by malignant lymphoid cells associated with necrosis, angiocentricity and angiodestruction. Immunohistochemical studies confirmed T-cell monoclonality, presence of cytotoxic granules and Epstein-Barr virus (EBV) infection. A diagnosis of extranodal NK/T cell lymphoma of the colon was made.
DISCUSSION: These findings highlight that colonic NK/T cell lymphoma may clinically mimic other benign inflammatory lesions and should be one of the differential diagnoses in patients presenting with gastrointestinal lesions. The final diagnosis is only possible with appropriate histological and immunohistochemical studies.

Matched MeSH terms: Colon, Transverse