Publications by authors named "Mark R Jesudason"

Ewing's sarcoma is a rare and highly aggressive bone tumor primarily affecting children and adolescents. It commonly presents in the pelvic and axial skeleton, with sacral involvement posing unique challenges due to its intricate anatomical location. This report details the case of an 18-year-old male with sacral Ewing's sarcoma, emphasizing the diagnostic, surgical, and reconstructive aspects of management.

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 The aim of this study was to characterize the tissue involving the margin and study if this information will affect margin prediction on restaging magnetic resonance imaging (MRI) in low rectal adenocarcinoma (LRC) patients treated with neoadjuvant long-course chemoradiotherapy (LCCRT).  In this retrospective study of nonmetastatic LRC (distal margin <5 cm from the anal verge) treated with LCCRT followed by surgery, a radiologist blinded to outcome reread the restaging MRI and documented if the radial margin was involved by tumor, fibrosis, or mucin reaction using T2 high-resolution (HR) and diffusion-weighted imaging (DWI). The diagnostic performance of tumor-involving margin on restaging MRI was assessed using surgical histopathology as a reference.

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Diversion colostomy plays a crucial role in the management of carcinoma rectum in low- and middle-income countries as significant number of patients present with partial intestinal obstruction. The aim of this study was to compare laparoscopic and open approaches for fecal diversion done in patients with adenocarcinoma of the rectum as a pretreatment procedure. The primary end point of our study was time to initiation of neoadjuvant chemo radiation.

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Early detection and treatment of a colorectal anastomotic leak reduces leak-associated morbidity. The primary objective of this study was to assess the role of C-reactive protein (CRP) as a tool to facilitate the early diagnosis of large bowel anastomotic leak. We conducted a prospective observational study at a specialized colorectal unit of a tertiary referral teaching center where we recorded CRP levels pre-operatively and on day three for 113 patients undergoing a large bowel anastomosis.

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Purpose: To audit the diagnostic accuracy of MRI for staging early and polyp rectal cancers with the purpose of identifying scope for service improvement.

Methods: This is an IRB approved retrospective study of patients who underwent staging MRI for rectal growths followed by upfront TME type surgery or local excision without neoadjuvant therapy between 2018 and 2021. MR-T-stage was compared with surgical histopathology.

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Aim: To study the prognostic significance of MRI identified tumour deposits (TD), extramural vascular invasion (EMVI), lymph node metastases (LNM) and pelvic sidewall (PSW) disease in rectal cancer.

Methods: This IRB approved study was conducted on patients with stage IIA-IIIC rectal adenocarcinoma treated with neoadjuvant long course chemoradiotherapy (LCCRT) and total mesorectal excision (TME) type of surgery between 2012-2018. A radiologist blinded to outcome reviewed staging and restaging magnetic resonance imaging (MRI) for TD, EMVI, LNM and PSW.

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Purpose: To assess the diagnostic performance, interobserver agreement and confidence level for determining response to neoadjuvant chemoradiotherapy (NACRT) using morphology based MR-tumour regression grade (MR TRG), diffusion weighted imaging (DWI) patterns and their combination in patients with locally advanced rectal cancer.

Methods: This was a retrospective study including patients with locally advanced rectal cancer treated with NACRT and subsequent surgery. Two independent radiologists blinded to the histopathology reviewed staging and restaging MRI.

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Introduction: Anal incontinence brings lot of social embarrassment, mental distress, dignity loss, anxiety, low confidence, and eventually a low self-esteem with a restricted social life to the affected person. Surgical repair is the mainstay of treatment for anal incontinence. However, some patients need additional procedures such as gluteoplasty, graciloplasty (adynamic and dynamic), artificial bowel sphincter, and sacral nerve stimulation, which help to reinforce or augment the anal sphincter.

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Background: The emergence of antibiotic resistance among bacterial pathogens in the hospital and community has increased the concern to the health-care providers due to the limited treatment options. Surveillance of antimicrobial resistance (AMR) in frequently isolated bacterial pathogens causing severe infections is of great importance. The data generated will be useful for the clinicians to decide empiric therapy on the local epidemiological resistance profile of the antimicrobial agents.

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Spontaneous bleeding due to a non traumatic liver rupture is a rare occurrence. However, it is associated with high morbidity and mortality. Usually the predisposing factors are like Hemolysis, elevated liver enzymes, and low platelet count (HELLP) syndrome in pregnant women and other liver diseases.

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Case studies suggest that bone marrow-derived stem cells may improve chronic wound healing. A prospective, randomized, clinical study was conducted to compare the rate of healing chronic lower limb wounds in patients with diabetes mellitus whose wounds were treated with topically applied and locally injected bone marrow-derived cells or whole blood (control). Of the 48 patients participating in the study, 25 were randomized to study treatment and 23 to control treatment.

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Background: Transanal excision is commonly used to treat lesions of the anorectum. It avoids the morbidity of radical pelvic surgery, while allowing for complete histopathological examination of the lesion.

Aim: The aim of this study was to look at the spectrum of disease treated by transanal excision, and their outcomes, in a tertiary care institute.

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Aim: Structural anal sphincter damage may be secondary to obstetric anal sphincter injury, perineal trauma or anorectal surgery. We reviewed the spectrum of anal sphincter injuries and their outcomes in a tertiary care colorectal unit.

Methods: Data of patients who underwent anal sphincter repair between 2004 and 2008 were analyzed retrospectively.

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Background: Incidental gallbladder cancer is found in upto 1% of cholecystectomy specimens for gallstone disease. Currently, in our institution, all gallbladder specimens are sent for routine histopathology, to rule out incidental gallbladder carcinoma. This study was aimed at assessing the need for routine histopathology of gallbladder specimens after cholecystectomy for gallstone disease.

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Background: Choledochal cyst, a common surgical problem of childhood, can have a delayed presentation in adults. The clinical course in adults differs from that in children because of a higher incidence of associated hepatobiliary pathology.

Methods: The clinical data of 57 adults with choledochal cyst managed in a general surgical unit between January 1988 and March 2003 were analysed.

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This is a case report of a 29 year old woman who presented with painless and progressive obstructive jaundice. Imaging investigations of the abdomen revealed a tumour of the common bile duct. She was treated by complete excision of the bile duct and hepaticojejunostomy.

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We report the case of a paraduodenal hernia treated by reduction of the hernia and closure of the hernial orifice.

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Background: Mycobacterium fortuitum is an uncommon cause of soft tissue infections. Treatment is often inadequate with persistence of infection unless the aetiological agent and its antibiotic sensitivity are accurately established.

Methods: Medical records of 23 patients with chronic soft tissue infection caused by M.

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