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Perineural infiltration as a prognostic factor in surgically treated gallbladder cancer A single center experience and literature review.

医学 旁侵犯 病态的 胆囊癌 胆囊 胆囊切除术 队列 内科学 癌症 胃肠病学 外科 放射科
作者
Claudio F. Feo,Maria Laura Cossu,Giorgio Carlo Ginesu,Alessandro Fancellu,A M Scanu,Nadia Piras,Giuseppe Cherchi,Antonio Cossu,Giovanni Sotgiu,Marco Pazzona,Alberto Porcu
出处
期刊:PubMed [National Institutes of Health]
卷期号:88: 485-490 被引量:3
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摘要

Gallbladder cancer (GBC) is the most incident cancer of the biliary tract with only 5-13% of the sufferers surviving for five years. The aim of this study was to evaluate the prognostic role of perineural invasion (PNI) and its association with several clinicopathological variables in a cohort of surgically treated patients, and through a comprehensive review of the scientific literature.Twenty-five consecutive patients submitted to curative surgery for GBC from 2008 through 2016 were enrolled. Demographic, clinical and pathological data were retrieved from medical files, and specimens were re-examined by two experienced pathologists. The Pubmed database was searched for articles reporting on perineural infiltration on gallbladder cancer.Perineural invasion was observed in 14 (56%) cases, and it was more frequent in higher pathological stages. A statistically significant association was found with high preoperative serum Ca 19-9 levels. Fourteen (56%) patients died during the follow-up; survival was lower in patients with perineural invasion in comparison to those without, but not statistically significant. Twelve English-language articles reporting on PNI were retrieved and discussed.Perineural invasion is associated with higher stage and poorer survival in surgically treated GBC patients. In patients with locally advanced GBC resection of the extrahepatic biliary duct and frozen section examination of the distal stump must be taken into consideration, especially in cases of tumor arising from the hepatic side of the gallbladder. In cases without residual disease but with pathological evidence of PNI, a careful follow-up is suggested to early detect recurrences.Adenocarcinoma, Cancer, Gallbladder, Perineural infiltration, Surgery.Il cancro della colecisti (GBC) è la neoplasia delle vie biliari più frequente con una sopravvivenza a 5 anni di solo il 5-13%. Lo scopo di questo studio era di valutare il ruolo prognostico dell’infiltrazione perineurale (PNI) e la sua associazione con numerose variabili clinicopatologiche in una coorte di pazienti trattati chirurgicamente e attraverso una revisione della letteratura scientifica.Venticinque pazienti consecutivi sottoposti a chirurgia curativa per GBC dal 2008 al 2016 sono stati arruolati nello studio. I dati demografici, clinici e patologici dei pazienti sono stati estratti dalle cartelle cliniche e i pezzi istologici sono stati rivalutati da due anatomopatologi esperti. È stata inoltre effettuata un'analisi della letteratura scientifica mediante ricerca su Pubmed di tutti gli articoli sull’infiltrazione perineurale nel GBC.L’infiltrazione perienurale è stata osservata in 14 (56%) casi ed era più frequente negli stadi maggiormente avanzati della malattia. Un’associazione statisticamente significativa è stata rilevata con valori preoperatori elevati del Ca 19-9 sierico. Quattordici (56%) pazienti sono deceduti durante il periodo di follow-up; la sopravvivenza era minore nei pazienti con PNI rispetto a quelli senza, tuttavia la differenza non era statisticamente significativa. Dodici articoli in lingua inglese riguardanti la PNI sono stati recuperati e analizzati.La PNI è associata agli stadi più avanzati della malattia e a una sopravvivenza peggiore nei pazienti operati per GBC. Nei pazienti con GBC localmente avanzato la resezione delle vie biliari extraepatiche e l’esame al congelatore del margine di resezione distale devono essere presi in considerazione, soprattutto nei casi di neoplasia che insorge sulla parete della colecisti a contatto col fegato. Nei pazienti senza malattia residua ma con evidenza all’esame istopatologico di PNI è auspicabile un attento follow-up per l’identificazione precoce di eventuali recidive.

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