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Forensic toxicology deals with the investigation of toxic substances, poisonous products or with the environmental chemicals. This field of science helps to identify poison substance and hazardous chemicals. Forensic toxicology deals with the way that substances are absorbed, distributed or eliminated in the body – the metabolism of substances. This paper reviews the manifestations that each poisonous substance presents concentrating toward the commonly used poisonous substance especially in India. It also explains the Indian Penal Code, which is main criminal code intended to cover all substantive aspects of criminal law regarding poison.

Intussusception is defined as the telescoping of a segment of the gastrointestinal tract (intussusceptum) into an immediately adjacent distal bowel (intussuscipiens), causing venous congestion, edema, and blood supply reduction. Adult intussusception is a rare entity which can be with or without lead-point. Cases without lead-point frequently occurs in children or adults with celiac disease and Crohn’s disease and with lead point is caused by an underlying neoplasm, benign or malignant frequently presenting with bowel obstruction and acute abdomen. A 41-years-old male presented to our outpatient clinic with a history of recurrent abdominal pain. The clinical presentation and CT scan findings led to the diagnosis of ileoileal intussusception. Subsequently he underwent laparotomy which revealed an ileal intussusception, which was investigated and was found to be of Crohn’s etiology.

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