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Incidental gall bladder cancers: Are they truly incidental?

ABSTRACT: AIM:To seek and analyze features suggestive of gallbladder cancer (GBC) on preoperative imaging and intraoperative findings in patients diagnosed as having incidental GBC (IGBC). METHODS:The study was conducted on 79 patients of IGBC managed in our department over a 10-year period (2003-2012). Review of preoperative imaging and operative notes was done to ascertain any suspicion of malignancy-in-retrospect. RESULTS:Of the 79 patients, Ultrasound abdomen showed diffuse thickening, not suspicious of malignancy in 5 patients, and diffuse suspicious thickening was seen in 4 patients. Focal thickening suspicious of malignancy was present in 24 patients. Preoperative computed tomography/magnetic resonance imaging was done in 9 patients for suspicion of malignancy. In 5 patients, difficult Cholecystectomy was encountered due to dense/inflammatory adhesions. Intraoperative findings showed focal thickening of the gallbladder and a gallbladder mass in 9 and 17 patients respectively. On overall analysis, 37 patients had preoperative imaging or intraoperative findings suggestive of malignancy, which was either a missed GBC or an unsuspected/unexpected GBC. In 42 (53.2%) patients, there was no evidence suggestive of malignancy and was an unanticipated diagnosis. CONCLUSION:Our study highlights a potential and not-so-rare pitfall of Laparoscopic Cholecystectomy. A greater awareness of this clinical entity along with a high index of suspicion and a low threshold for conversion to open procedure, especially in endemic areas may avert avoidable patient morbidity and mortality.

SUBMITTER: Rammohan A

PROVIDER: S-EPMC4266816 | biostudies-literature | 2014 Dec

REPOSITORIES: biostudies-literature

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Incidental gall bladder cancers: Are they truly incidental?

Rammohan Ashwin A Cherukuri Sathya D SD Sathyanesan Jeswanth J Palaniappan Ravichandran R Govindan Manoharan M

World journal of gastrointestinal oncology 20141201 12

<h4>Aim</h4>To seek and analyze features suggestive of gallbladder cancer (GBC) on preoperative imaging and intraoperative findings in patients diagnosed as having incidental GBC (IGBC).<h4>Methods</h4>The study was conducted on 79 patients of IGBC managed in our department over a 10-year period (2003-2012). Review of preoperative imaging and operative notes was done to ascertain any suspicion of malignancy-in-retrospect.<h4>Results</h4>Of the 79 patients, Ultrasound abdomen showed diffuse thick ...[more]

PMID: 25516777

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Project description:PurposeGall bladder cancers (GBC) usually presents in advanced stage. First-line chemotherapy (CT) is the standard of care, and there is no other option for responders than to wait for disease progression. We conducted a randomized study of consolidation chemoradiation (CTRT) versus observation in responders to first line CT (NCT05493956), which showed an improvement in overall survival by 6 months and therefore is practice changing. We are reporting the toxicity and factors predicting toxicity due to CTRT so that it informs appropriate patient selection.Methods and materialsResponders to first line CT (partial response, stable disease) were randomized to CTRT versus observation after 4 cycles. CTRT was delivered by 3D conformal radiotherapy (along-with concurrent capecitabine at 1250 mg/m2) to a dose of 45 Gy in 25 fractions to GBC and lymphatics followed by a boost of 9 Gy in 5 fractions to the GBC. Toxicities documented during CTRT were recorded using the Radiation Therapy Oncology Group criteria. Dose volume data were correlated with the radiation induced side effects.ResultsAmong 135 patients enrolled both arms are well balanced demographically, and 58% patients had T4 tumors, 42% had N2 and 15% had paraaortic lymph node, and 27% underwent upfront stenting. Grade 3 adverse events, such as anemia, dyspepsia, hepatotoxicity (Child Pugh B), and gastrointestinal bleed due to CTRT was observed in 9%, 1.5%, 13%, and 5.8%, respectively. Age >58 years (P = .02), planning target volume (PTV) 1 volume (>919 cc, P = .02), PTV2 volume (>380 cc, P = .01), mean liver dose (>28 Gy, P = .07), and liver V40 (>50%, P = .02) predicted radiation-induced liver disease. A receiver operating curve analysis revealed a cut-off value of PTV1 volume of 800 cc (sensitivity and specificity of 75% and 54%) and PTV2 volume of 300 cc (sensitivity and specificity of 81% and 65%) for prediction of hepatotoxicity. Duodenum V45 >45% (P = .02) predicted grade 3 anemia. Numerically high V15 duodenum (98%, P = .11), large PTV2 volume >484 cc (P = .06) and prior stenting had predilection for gastrointestinal bleed.ConclusionsConsolidation CTRT is tolerable in those with PTV1 volume less than 800 cc.

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Incidental gall bladder cancers: Are they truly incidental?

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Incidental gall bladder cancers: Are they truly incidental?

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