Peutz-Jeghers syndrome pathophysiology: Difference between revisions
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== References == | == References == | ||
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Revision as of 22:19, 14 December 2017
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Peutz-Jeghers syndrome Microchapters |
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Diagnosis |
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Treatment |
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Peutz-Jeghers syndrome pathophysiology On the Web |
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Risk calculators and risk factors for Peutz-Jeghers syndrome pathophysiology |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Mohamad Alkateb, MBBCh [2]
Overview
Peutz-Jeghers syndrome is transmitted in an autosomal dominant pattern. Polyps of Peutz-Jeghers syndrome are usually non-neoplastic hamartomas.
Pathophysiology
Genetics
- Peutz-Jeghers syndrome is inherited in an autosomal dominant pattern.
- Peutz-Jeghers syndrome is caused by a mutation in STK11 (LKB1) tumor suppressor gene on chromosome 19.[1]
Microscopic Pathology
Polyps of Peutz-Jeghers syndrome are usually non-neoplastic hamartomas.[2] On microscopic histopathological analysis, polyps have the following characteristic findings:[3]
- Frond-like polyp with all three components of mucosa:
- Muscosal epithelium (melanotic mucosa, goblet cells)
- Lamina propria
- Muscularis mucosae
References
- ↑ JBouquot, Jerry E.; Neville, Brad W.; Damm, Douglas D.; Allen, Carl P. (2008).Oral and Maxillofacial Pathology. Philadelphia: Saunders. p.16.11.ISBN1-4160-3435-8.
- ↑ Pathology of Peutz-Jeghers syndrome. Dr Amir Rezaee and Dr Alexandra Stanislavsky et al. Radiopaedia.org 2015. http://radiopaedia.org/articles/peutz-jeghers-syndrome-2
- ↑ libre Pathology.http://librepathology.org/wiki/index.php/Peutz-Jeghers_syndrome