Category: P

  • Pellegra

    A medical condition arises as a consequence of an inadequate intake of a specific B vitamin known as niacin.  

  • Pediatric-aged patient

    The pediatric patient includes distinct stages throughout their developmental process. The initial four weeks following birth are referred to as the neonatal period, followed by infancy, which encompasses the first year of life. Childhood spans from 13 months until the onset of puberty, occurring between the ages of 12 and 15 years in girls, and…

  • Patient years

    The product of multiplying the number of patients by the duration of their follow-up in a study, divided by the number of study events (specifically, the occurrences of fainting episodes within the group).  

  • Papillary carcinoma

    A form of breast cancer that predominantly develops in older women. When observed through ultrasound imaging, this tumor may exhibit characteristics of a solid or intricate mass, or it may appear as solid tissue projecting into a cyst.  

  • Pandas disorders

    A group of childhood disorders associated with such streptococcal infections as scarlet fever and ‘‘strep throat.’’ The acronym stands for Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections. Sydenham’s chorea is considered a PANDAS disorder.  

  • Pancreaticoduodenectomy

    Whipple’s procedure or Whipple’s operation refers to the surgical removal of either the entire pancreas or a portion of it along with the duodenum. Surgical procedure to remove the entire duodenum and a portion of the pancreas, typically done for cancer affecting the head of the pancreas.  

  • Pancreatic insufficiency

    The diminished or complete lack of pancreatic secretions into the digestive system caused by scarring and obstruction of the pancreatic duct.  

  • Paleolithic

    Human civilizations that thrived during the Pleistocene epoch, spanning approximately one million to 10,000 years in the past.  

  • P24 antigen

    An HIV protein that exhibits elevated levels during the early and late stages of HIV infection. It is frequently included in testing alongside HIV antibody tests for comprehensive analysis.  

  • Processing wash

    In the realm of film processing, there exists a pivotal stage where the developed film, having undergone the fixing process, is introduced to a continuous flow of water. This crucial interlude precedes the film’s entry into the drying apparatus, ensuring its thorough rinsing and cleansing.