title: A rare cause of dysphagia: pharyngeal ascariasis.
abstract: Ascaris lumbricoidesinfection distributed widely in tropical and subtropical areas, especially in the developing countries and affects more than one billion of people. Ascariasis commonly has higher infection rates compared to other parasite species and because of poor sanitation the parasite can be seen in 100 % of the population.A. lumbricoidesdepending on the provocation by anesthetic agents or intestines becomes hostile, such as with inflammation and obstruction, may cause migration and varies complications such as coming up to the mouth or blocking some ducts. We report a case of pharyngeal ascariasis with worm migration, in a 67-year-old woman was referred with complaints of nausea and dysphagia.
authors.affiliation: Department of Parasitology and Mycology, Tabriz University of Medical Sciences, Tabriz, Iran.
authors.forename: Maryam
authors.initials: M
authors.lastname: Hajizadeh
authors.affiliation: Department of Parasitology and Mycology, Sari Medical School, Mazandaran University of Medical Sciences, Sari, Iran.
authors.forename: Mohammad Taghi
authors.initials: MT
authors.lastname: Rahimi
authors.affiliation: Department of Parasitology and Mycology, Tabriz University of Medical Sciences, Tabriz, Iran.
authors.forename: Adel
authors.initials: A
authors.lastname: Spotin
authors.affiliation: Research Center of Infectious and Tropical Diseases, Tabriz University of Medical Sciences, Tabriz, Iran.
authors.forename: Ehsan
authors.initials: E
authors.lastname: Ahmadpour
keywords: Ascariasis; Dysphagia; Ectopic; Worm migration