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choristoma

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choristoma /cho·ris·to·ma/ (ko″ris-to´mah) a mass of histologically normal tissue in an abnormal location.
cho·ris·to·ma (kôr-stm)
n.
A mass formed by the faulty development of tissue of a type not normally found at that site.
choristoma [kor″is-to´mah]
a mass of histologically normal tissue in an abnormal location.
choristoma
a mass of histologically normal tissue in an abnormal location.
choristoma
Non-specialized tissue that develops in utero, which corresponds to normal cells and tissues located in abnormal sites–eg, ectopic breast, liver, or other tissues. See Neuromuscular choristoma.
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In summary, myelolipomas probably represent hormonally induced choristomas derived from primitive mesenchymal elements.
Myelolipoma associated with adrenal ganglioneuroma by Merchant, Shakil H.; Herman, Christopher M.; Amin, Mitual B.; Ro, Jae Y.; Troncoso, Patricia / Archives of Pathology & Laboratory Medicine
Another ill-defined morphologic variant characterized by prominent neural involvement similar to a neuromuscular choristoma has also been described.
Nevoid basal cell carcinoma syndrome and fetal rhabdomyoma: a case ... by Zwillenberg, Seth / Ear, Nose and Throat Journal
Considering the close proximity of most GPs to native or ectopic pancreatic tissue, it has been suggested that the tumor is a hamartoma or choristoma developing in misplaced embryonic pancreatic tissue.
Nasopharyngeal Gangliocytic Paraganglioma: A Case Report With ... by Sinkre, Prasanna; Lindberg, Guy; Albores-Saavedra, Jorge / Archives of Pathology & Laboratory Medicine
 
 
 
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