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- Thorlacius, Henrik, et al.
(författare)
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Cystic neuroendocrine tumor in the pancreas detected by endoscopic ultrasound and fine-needle aspiration: a case report.
- 2014
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Ingår i: BMC Research Notes. - : Springer Science and Business Media LLC. - 1756-0500. ; 7:Aug 9
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Tidskriftsartikel (refereegranskat)abstract
- Pancreatic neuroendocrine tumors are typically solid neoplasms but in very rare cases present as cystic lesions. The diagnosis of cystic tumors in the pancreas is extremely difficult and the use of endoscopic ultrasound and fine-needle aspiration might be helpful in the work-up of patients with cystic neuroendocrine tumors in the pancreas.
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- Thorlacius, Henrik, et al.
(författare)
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Serrated polyps–a concealed but prevalent precursor of colorectal cancer
- 2017
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Ingår i: Scandinavian Journal of Gastroenterology. - : Informa UK Limited. - 0036-5521 .- 1502-7708. ; 52:6-7, s. 654-661
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Forskningsöversikt (refereegranskat)abstract
- Serrated polyps have long been considered to lack malignant potential but accumulating data suggest that these lesions may cause up to one-third of all sporadic colorectal cancer. Serrated polyps are classified into three subtypes, including sessile serrated adenomas/polyps (SSA/Ps), traditional serrated adenomas (TSAs), and hyperplastic polyps (HPs). SSA/P and TSA harbour malignant potential but TSA represents only 1–2%, wheras SSA/P constitute up to 20% of all serrated lesions. HPs are most common (80%) of all serrated polyps but are considered to have a low potential of developing colorectal cancer. Due to their subtle appearence, detection and removal of serrated polyps pose a major challenge to endoscopists. Considering that precancerous serrated polyps are predominately located in the right colon could explain why interval cancers most frequently appear in the proximal colon and why colonoscopy is less protective against colon cancer in the proximal compared to the distal colon. Despite the significant impact on colorectal cancer incidence, the aetiology, incidence, prevalence, and natural history of serrated polyps is incompletely known. To effectively detect, remove, and follow-up serrated polyps, endoscopists and pathologists should be well-informed about serrated polyps. This review highlights colorectal serrated polyps in terms of biology, types, diagnosis, therapy, and follow-up.
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| 5. |
- Thorlacius, Henrik, et al.
(författare)
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Sågtandande polyper en dold men vanlig orsak till kolorektal cancer : Serrated polyps is a hidden but common cause of colorectal cancer
- 2015
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Ingår i: Läkartidningen. - 0023-7205. ; 112:34-35, s. 1401-1405
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Konceptet att sågtandande polyper kan leda till kolorektal cancer är relativt nytt. Sågtandade polyper orsakar upp till en tredjedel av all sporadisk kolorektal cancer. Trots detta är kunskaperna om sågtandade polypers etiologi, incidens, prevalens och naturalförlopp ofullständiga. Sågtandade polyper är svåra att identifiera och ta bort endoskopiskt. Endoskopister och patologer måste ha kunskaper om sågtandade adenom för att effektivt kunna detektera, diagnostisera och ta bort dem som led i att minska antalet personer som drabbas av kolorektal cancer. The concept that serrated polyps can cause colorectal cancer is relatively new and not very well-known. Serrated polyps are difficult to identify and treat endoscopically. This together with the fact that premalignant serrated polyps are mainly located in the proximal colon might help explain why colonoscopy is less effective against right-sided compared to left-sided colorectal cancers and why interval cancers usually appear in the proximal colon. In fact, serrated polyps may cause up to one third of all sporadic colorectal cancers. In spite of this, the aetiology, incidence, prevalence and natural history of serrated polyps remains elusive. Endoscopists and pathologists must have a good understanding of serrated polyps in order to effectively diagnose, treat and follow up these lesions. This review focuses on the pathophysiology, types, work-up, treatment and follow-up of serrated polyps in the colon and rectum.
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