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Multidetector Computed Tomography in Large Bowel Lesions—A Study of 100 Cases

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Abstract

This study aims to evaluate the role of multidetector computed tomography (MDCT) in detecting and classifying the large bowel lesions. A prospective study of 100 adult patients was conducted from June 2007 to October 2009. Rectal and IV contrast were used for three dimensional reconstruction. Angiography was performed in cases of suspected ischemic pathology. CT colongraphy was done to evaluate adenomas. CT findings were correlated and confirmed by either colonoscopy, biopsy, postoperative findings or follow-up CT. The pathologies were common in 50–70 yrs (44%). M: F ratio was 2:1. Malignant lesions were seen in (55%) followed by inflammatory lesions in 26%, diverticulitis and ischemic colitis in 6% each. Miscellaneous conditions like polyps, volvulus and intussusceptions were seen in 7%. Adenocarcinoma was the common malignancy (81.2%). Present study showed that adenocarcinomas were associated with marked thickening of bowel wall (>1.5 cm) in 85.4% of patients, asymmetrical wall thickening (96.4%), focal involvement (length <10 cm) in 85.5% with heterogeneous post contrast enhancement (96.3%). Inflammatory lesions showed mild thickening (69%),segmental or diffuse involvement (77%), symmetrical wall thickening (89%) and homogenous post contrast enhancement (81%). Ischemic lesions showed marked thickening (83.4%), symmetrical thickening (100%) and homogenous enhancement (100%). Diverticulitis showed marked thickening (100%), asymmetrical wall thickening (66.7%) with heterogeneous post contrast enhancement (100%), with pericolic fluid. Arterial/venous thrombosis was diagnosed in 66.66%. Three per cent had benign adenomatous polyps on CT colonographic studies. MDCT was accurate in 98.2% cases for differentiating between benign and malignant etiology and is the modality of choice.

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Authors and Affiliations

  1. Sheth V.S.General Hospital, & Smt. NHL Medical Collage, Elisbrdige, Ahmedabad, 380 006, India

    Chhaya Jagat Bhatt, Love N. Patel, Mihir Baraiya, Kalpesh K. Patel, Kavita U. Vaishnav & Dharita S. Shah

  2. A/28 Ashok Tenamants, Opposite Cadila, Ghodasar, Ahmedabad, 380050, India

    Chhaya Jagat Bhatt

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  1. Chhaya Jagat Bhatt
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  2. Love N. Patel
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  3. Mihir Baraiya
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  4. Kalpesh K. Patel
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  5. Kavita U. Vaishnav
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  6. Dharita S. Shah
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Correspondence to Chhaya Jagat Bhatt.

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Bhatt, C.J., Patel, L.N., Baraiya, M. et al. Multidetector Computed Tomography in Large Bowel Lesions—A Study of 100 Cases. Indian J Surg 73, 352–358 (2011). https://doi.org/10.1007/s12262-011-0325-3

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  • DOI: https://doi.org/10.1007/s12262-011-0325-3

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