introduction: to describe the underlay tympanoplasty technique using an acellular dermal graft(alloderm) for tympanic membrane (tm) reconstruction in a guinea pig model and to demonstrate the feasibility of the technique using alloderm tissue harvested from the prepuce as a source of tissue for future grafting in human tm reconstruction.   materials and methods: the prepuce was divided during c...

Introduction: acute appendicitis is the major surgical abdominal disease in emergency departments and is also among the five leading causes of litigation against emergency physicians. Delayed diagnosis of appendicitis is more likely to occur in patients, who present atypically, and those lack a thorough physical examination, or those received intramuscular narcotic analgesia. The aim of this st...

BACKGROUND The diagnosis of acute appendicitis is often delayed, which may complicate the further course of the disease. AIMS To review appendectomy cases in order to determine the incidence of diagnostic delay, the underlying factors, and impact on the course of the disease. METHODS Records of all children who underwent appendectomy from 1994 to 1997 were reviewed. The 129 cases were divid...

Background: High serum amylase is frequently found in perforated duodenal ulcer (PDU) ,the rise in serum amylase occurs in cases of perforated peptic ulcer partly as a result of increase leakage of pancreatic enzymes rich fluid from the perforation site with subsequent absorption by peritoneal lymphatics & partly due to damage of pancreases by digestive enzymes that spilled through the perforat...

Traumatic digestive perforation is the pathological opening of wall a hollow organ tract (esophagus, stomach, small intestine, large rectum, and extrahepatic bile ducts) following trauma. Injuries to viscera, especially from trauma, have been known since antiquity. Aristotle recognized that slight blow can cause an intestinal injury. Perforation sphere results in peritonitis, which this case co...

Chest pain is a common complaint in a patient presents to the emergency department(ED) and it caused by several life threatening conditions such as esophageal perforation. A 78 years old man known case of ischemic heart disease came into the ED with complaint of chest pain, physical examinations were normal on arrival. Electrocardiogram and chest x ray were no specific. Eventually he was admitt...

Idiopathic, spontaneous bladder perforation is a very rare and life threatening clinical condition. It is not always possible to diagnose by radiological imaging. On the other hand, cystography is more proper diagnostic choice for the patients who may have the possibility of urinary bladder perforation. However, idiopathic, spontaneous bladder perforation is not primarily considered for the pat...

Objective: To present a case of spontaneous perforation of colon. Introduction: Spontaneous perforation of colon (SPC) is defined as sudden perforation of apparently healthy colon in absence of diseases or injury. SPC is an uncommon clinical entity which is seldom reported in literature, less than 100 cases were reported. Case report: A 82-year-old gentleman presented to emergency room (ER) wit...

This paper compares several methods of information extraction on the internet. Today, internet has become a treasure of knowledge. Every year, thousands of pieces of different information are posted on the internet. So, extracted information on the internet for many different purposes has become an important problem today. Users may extract information based on some available tools such as Lapi...