Publications by authors named "Dhivakar S"

Anterior abdominal wall fibromatosis is a benign soft tissue tumor that is rare, but fast-growing with minimal chances of malignant change. We report a young female with a large abdominal swelling which on evaluation was provisionally diagnosed as anterior abdominal wall fibromatosis on imaging and confirmed by histopathology. She was successfully managed with resection of the tumor with a challenging abdominal wall reconstruction with bilateral inferiorly based external oblique muscle flap followed by a mesh repair.

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Intestinal malrotation is primarily a surgical condition of neonates due to abnormal intestinal rotation during fetal development. Usually, the presentation is immediately after birth. Adult midgut malrotation is rare and primarily detected at laparotomy or incidental radiological imaging for various conditions.

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Background And Aim: Rat pups emit ultrasound vocalizations (USVs) in response to negative/positive stimuli, the acoustic features of USVs are altered during the stressful and threatening situation. We hypothesize that maternal separation (MS) and/or stranger (St) exposure would alter acoustic features of USVs, neurotransmitter transmission, epigenetic status and impaired odor recognition later in life.

Method: Rat pups were left undisturbed in the home cage (a) control, (b) pups were separated from mother MS [postnatal day (PND) 5-10], (c) intrusion of stranger (St; social experience: SE) to the pups either in the presence of mother (M + P + St) or (d) absence of mother (MSP + St).

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Established consensus suggests that enteral nutrition is more beneficial in patients with a functioning gut than parenteral nutrition. It helps in early physical rehabilitation from a disease or surgical stress and is associated with fewer complications compared to parenteral nutrition. Jejunal feeding is one of the routine modes of enteral nutrition in patients with gastric dysfunction, either due to surgery or critical illness.

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A middle-aged woman presented to us with complaints of purulent discharge which was coming from the epigastric port site for two years following laparoscopic cholecystectomy, which was performed at an outside hospital for asymptomatic gall stone disease. Computed tomography and magnetic resonance imaging (MRI) confirmed the fistulous sinus track communicating with the anterior body wall of the stomach. At re-laparotomy, the sistulous sinus track was found and excised with primary repair of the defect in the stomach wall.

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The present work describes the synthesis and characterization of pyrene derivatives, N-(1-Pyrenoylmethyl) pyridinium bromide (PM-PB) and N-(1-Pyrenoylmethyl)-N,N,N-triethylammonium bromide (PM-TAB). The photophysical behavior of these molecules has been studied in various protic and aprotic solvents. Using steady state fluorescence intensity, fluorescence anisotropy and dynamic fluorescence lifetime studies, the sensitivity of these molecules towards the micellization process of bile salts has been monitored.

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