Acute colonic pseudo-obstruction or Ogilvie's syndrome is a disorder causing massive colonic dilation with no evidence of mechanical obstruction. The actual incidence of acute colonic pseudo-obstruction is unclear; However, electrolyte imbalance, psychiatric disorders, the use of medications such as anticholinergics or antipsychotics, and recent abdominal surgery are the most common predisposing factors associated with this syndrome. Ogilvie's syndrome is most likely caused due to impairment of the gut's motor system and an imbalance of the autonomic nervous system including a reduction in the activity of stimulatory neurotransmitters.
View Article and Find Full Text PDFPulmonary hamartomas are benign lung tumors. They are uncommon and represent a small percentage of all solitary lung lesions. Hamartomas are composed of an abnormal mixture of epithelial and mesenchymal elements.
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