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We present a rare case involving a 54-year-old man with a history of pancreatitis who developed a retroperitoneal lumbar vein aneurysm that was initially misidentified as a pancreatic pseudocyst. Subsequent imaging revealed an enlarged mass and retroperitoneal perforation. Despite initial hesitation, the patient eventually underwent radical surgery that enabled the successful removal of the mass, which was near the inferior vena cava. Pathological examination confirmed varicose veins, and the final diagnosis was lumbar vein aneurysm in the retroperitoneum. The patient's postoperative recovery was uneventful, with no symptoms or recurrence observed on 6-month follow-up imaging. We investigated a potential link between pancreatitis and recurrent bleeding due to weakened venous walls. The findings from this case underscore the rarity of venous aneurysms and the diagnostic and treatment challenges due to the limited number of cases; furthermore, they emphasize that surgery should be carefully considered based on the lesion location and associated risks.
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Aneurisma , Pancreatitis , Masculino , Humanos , Persona de Mediana Edad , Vena Cava Inferior/cirugía , Vértebras Lumbares , Aneurisma/diagnóstico por imagen , Aneurisma/cirugía , VenasRESUMEN
OBJECTIVES: The elemental diet (ED) is a formula to support nutritional status without increasing chylous burden. This study evaluates the efficacy of early ED feeding after pancreatoduodenectomy (PD). MATERIALS AND METHODS: A prospective phase II study of consecutive patients who underwent PD with early ED feeding was conducted. Patient backgrounds, surgical outcomes, and ED feeding tolerability were compared with a historical cohort of 74 PD patients with early enteral feeding of a low residue diet (LRD). RESULTS: The ED group comprised 104 patients. No patient in the ED group discontinued enteral feeding because of chylous ascites (CAs), whereas 17.6% of the LRD group experienced refractory CAs that disrupted further enteral feeding. The CAs rate was significantly decreased in the ED group compared with the LRD group (3.9% and 48.7%, respectively; P < 0.001). There was no significant difference in the incidence of major complications (ED: 17.3%, LRD: 18.9%; P = 0.844). Postoperative prognostic nutritional index was similar between the 2 groups ( P = 0.764). In multivariate analysis, enteral feeding formula, and sex were independent risk factors for CAs (LRD: P < 0.001, odds ratio, 22.87; female: P = 0.019, odds ratio, 2.78). CONCLUSIONS: An ED reduces postoperative CAs of patients undergoing PD in the setting of early enteral feeding.
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Ascitis Quilosa , Nutrición Enteral , Humanos , Femenino , Pancreaticoduodenectomía/efectos adversos , Ascitis Quilosa/etiología , Ascitis Quilosa/terapia , Estudios Prospectivos , Alimentos FormuladosRESUMEN
PURPOSE: Optimal choice of diuretics in perioperative management remains unclear in enhanced recovery after liver surgery. This study investigated the efficacy and safety of tolvaptan (oral vasopressin V2-receptor antagonist) in postoperative management of patients with liver injury and hepatocellular carcinoma. METHODS: The patients clinically diagnosed with liver cirrhosis were included in this study. Clinical outcomes of 51 prospective cohort managed with a modified postoperative protocol using tolvaptan (validation group) were compared with 83 patients treated with a conventional management protocol (control group). RESULTS: Postoperative urine output were significantly larger and excessive body weight increase were reduced with no impairment in renal function or serum sodium levels in the validation group. Although the total amount of discharge and trend of serum albumin level were not significantly different among the groups, global incidence of postoperative morbidity was less frequent (19.6% vs. 44.6%, P=0.005) and postoperative stay was significantly shorter (8 days vs.10 days, P=0.008) in the validation group compared with the control group. CONCLUSIONS: Tolvaptan could be safely used for the patients with injured liver in postoperative management after hepatectomy and potentially advantageous in the era of enhanced recovery after surgery with its strong diuretic effect and better fluid management.
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Carcinoma Hepatocelular , Neoplasias Hepáticas , Humanos , Tolvaptán , Carcinoma Hepatocelular/cirugía , Antagonistas de los Receptores de Hormonas Antidiuréticas/efectos adversos , Hepatectomía/efectos adversos , Estudios Prospectivos , Benzazepinas/efectos adversos , Neoplasias Hepáticas/cirugía , Neoplasias Hepáticas/tratamiento farmacológico , Diuréticos/efectos adversos , Cirrosis Hepática/complicaciones , Cirrosis Hepática/cirugíaRESUMEN
Probe-based confocal laser endomicroscopy (pCLE) enables real-time examination of tissue structure. This study investigated pCLE with or without fluorescein sodium for the intraoperative diagnosis of colorectal liver metastasis (CLM) and detection of surgical margins. Thirty-four specimens of CLM and adjacent noncancerous tissue were obtained from 21 patients and examined by pCLE between May 2017 and March 2018. Images were obtained both without and with fluorescein sodium applied to the cut surface and compared with hematoxylin and eosin-stained tissue. Fluorescence intensity (FI) was measured by luminance-analysis software. Without external fluorophores, pCLE visualized 91.2% of CLM tissues as an irregular structure with low autofluorescence and 90.5% of noncancerous liver tissues as a regular structure with high autofluorescence. The median FI was significantly lower in cancer than in benign tissue in patients without chemotherapy [70.4 (51.6-110) vs. 48.3 (39.0-59.4), p = 0.002] and with chemotherapy [67.9 (54.6-89.2) vs. 48.6 (28.8-82.1), p < 0.001]. The border was clearly visible; pCLE with fluorescein sodium clearly showed their morphologies. In summary, our study demonstrated real-time pCLE distinguished CLM and noncancerous tissue by differences in structure and FI regardless of prehepatectomy chemotherapy. Fluorescein spray facilitated clear visualization of differences in the morphology.
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BACKGROUND: The aim of this study was to evaluate the clinical impact of a combination of systemic sequential therapy and locoregional therapy on the long-term survival of patients with Barcelona Clinic Liver Cancer (BCLC) stage C hepatocellular carcinoma (HCC). METHODS: Sixty-four consecutive patients with intrahepatic target nodules who had initially received systemic therapy (lenvatinib and atezolizumab plus bevacizumab) were reviewed. The clinical impact of the combined use of systemic sequential therapy and locoregional therapy was evaluated by determining overall survival (OS). The combined use of systemic sequential therapy with more than two agents and locoregional treatment was defined as multidisciplinary combination therapy (MCT), while only systemic sequential therapy and repeated locoregional-treatment was defined as a single treatment procedure (STP). RESULTS: R0 resection, MCT, and STP resulted in significantly better OS compared with no additional treatment (median OS, not reached vs. 18.2 months and 12.6 vs. 8.1 months, respectively; p = 0.002). Multivariate analysis confirmed that the use of R0 resection and MCT were associated with better OS (hazard ratio [HR]; 0.053, p = 0.006 and 0.189, p < 0.001, respectively) compared with that for STP (HR; 0.279, p = 0.003). CONCLUSIONS: MCT is may effective in patients with BCLC stage C HCC and intrahepatic target nodules who have previously received systemic therapy-based treatment.
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Combined thoraco-laparoscopic resection can aid in precise resection of an invasive tumor of the diaphragm. A 44-year-old woman was referred to our department for resection of solitary peritoneal seeding from cervical cancer following systemic chemotherapy. The tumor was located in the right diaphragm with an ill-defined border of the liver. Combined thoraco-laparoscopic resection was proposed. Laparoscopy portrayed that the right diaphragm was partially attached to the liver, and the depth of tumor invasion to the diaphragm was ambiguous. Observation from the thoracic cavity indicated a white-colored distortion following the location of peritoneal seeding. Partial resection and repair of the diaphragm were made using the thoracoscopic-assisted approach, followed by laparoscopic hepatectomy. The postoperative course was uneventful, and pathological findings revealed that peritoneal metastases of the diaphragm and surgical margin was negative for cancer. Combined thoraco-laparoscopic resection can cover the drawbacks of each approach and is among the options for minimally invasive surgery for invasive tumor of the diaphragm.
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Laparoscopía , Neoplasias Hepáticas , Neoplasias del Cuello Uterino , Femenino , Humanos , Adulto , Diafragma/cirugía , Hepatectomía , Neoplasias Hepáticas/cirugía , Neoplasias del Cuello Uterino/cirugía , Peritoneo/cirugíaRESUMEN
BACKGROUND: Pancreatic head resection following proximal gastrectomy jeopardizes the blood flow of the remnant stomach owing to right gastroepiploic conduit sacrifice, thereby necessitating total gastrectomy. However, owing to its high invasiveness, concomitant remnant total gastrectomy with pancreatectomy should be avoided as much as possible. Herein, we describe our experience of total pancreatectomy with right gastroepiploic conduit preservation in a patient with a history of proximal gastrectomy and reconstruction by jejunum interposition. CASE PRESENTATION: A 78-year-old woman with a history of gastric cancer was followed up at our institute for multiple intraductal papillary mucinous neoplasm, and main pancreatic duct stricture in the pancreatic head was newly detected. The cystic lesion was extended to the pancreatic body. Proximal gastrectomy and reconstruction by jejunal interposition were previously performed, and the mesenteric stalk of the interposed jejunum was approached through the retrocolic route. We planned total pancreatectomy with right gastroepiploic conduit preservation. Following adhesiolysis, the interposed jejunum and its mesentery lying in front of the pancreas were isolated. The arterial arcade from the common hepatic artery to the right gastroepiploic artery was detached from the pancreas. Furthermore, the right gastroepiploic vein was isolated from the pancreas. The pancreatic body and tail were pulled up in front of the remnant stomach, and the splenic artery and vein were resected. The pancreatic body and tail were pulled out to the right side, and the pancreatic head was divided from the pancreatic nerve plexus to the portal vein. The jejunal limb for entero-biliary anastomosis was passed through the hole behind the superior mesenteric artery and vein, and gastrointestinal anastomosis using the antecolic route and Braun anastomosis were performed. CONCLUSIONS: To avoid remnant total gastrectomy, right gastroepiploic conduit preservation is an optional procedure for pancreatic head resection in patients who have undergone proximal gastrectomy with reconstruction by jejunal interposition.
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Aim: This study was performed to evaluate the efficacy of a multidisciplinary approach incorporating neoadjuvant chemoradiotherapy with S1 (S1-NACRT) for resectable pancreatic ductal adenocarcinoma. Methods: The medical records of 132 patients who received S1-NACRT for resectable pancreatic ductal adenocarcinoma from 2010 to 2019 were reviewed. The S1-NACRT regimen consisted of S1 at a dose of 80-120 mg/body/day together with 1.8 Gy of radiation in 28 fractions. The patients were re-evaluated 4 weeks after S1-NACRT completion, and a pancreatectomy was then considered. Results: Adverse events of S1-NACRT ≥grade 3 occurred in 22.7% of the patients, and 1.5% discontinued therapy. Of the 112 patients who underwent a pancreatectomy, 109 underwent R0 resection. Adjuvant chemotherapy with relative dose intensity ≥50% was administered to 74.1% of the patients who underwent resection. The median overall survival of all patients was 47 months, and the median overall survival and recurrence-free survival of patients who underwent resection was 71 and 32 months, respectively. According to the multivariate analyses of prognostic factors for overall survival in patients who underwent resection, negative margin status (hazard ratio: 0.182; P = 0.006) and relative dose intensity of adjuvant chemotherapy ≥50% (hazard ratio 0.294; P < 0.001) were independent prognostic factors of overall survival. Conclusions: A multidisciplinary approach incorporating S1-NACRT for resectable pancreatic ductal adenocarcinoma demonstrated acceptable tolerability and good local control and resulted in comparable survival benefits.
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PURPOSE: Tumor sidedness (hepatic side vs. peritoneal side) reportedly predicts microvascular invasion and survival outcomes of T2 gallbladder cancer, although the actual histopathological mechanism is not fully understood. METHODS: The clinical relevance of tumor sidedness was revisited in 84 patients with gallbladder cancer using histopathological analysis of the vascular density of the gallbladder wall. RESULTS: Hepatic-side tumor location was associated with overall survival (OS) (hazard ratio [HR], 13.62; 95% confidence interval [CI], 2.09-88.93) and recurrence-free survival (RFS) (HR, 8.70; 95% CI, 1.36-55.69) in T2 tumors. The Adjusted Kaplan-Meier curve indicated a clear survival difference between T2a (peritoneal side) and T2b (hepatic side) tumors (P = 0.006). A review of 56 pathological specimens with gallbladder cancer and 20 control specimens demonstrated that subserosal vascular density was significantly higher on the hepatic side of the gallbladder, regardless of the presence of cancer (P < 0.001). Multivariate analysis also confirmed that higher subserosal vascular density was significantly associated with poor OS (HR, 1.73; 95% CI, 1.10-2.73 per 10 microscopic fields) and poor RFS (HR, 1.62; 95% CI, 1.06-2.49) in T2 gallbladder cancer. CONCLUSION: Higher subserosal vascular density may account for the higher incidence of cancer spread and the poor prognosis of T2b gallbladder cancer.
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Neoplasias de la Vesícula Biliar , Humanos , Pronóstico , Densidad Microvascular , Modelos de Riesgos Proporcionales , Estadificación de Neoplasias , Estudios RetrospectivosRESUMEN
BACKGROUND: Currently used treatment algorithms were originally established based on the clinical outcomes of the initial treatment for primary hepatocellular carcinoma (HCC), and no strong evidence exists yet to suggest if these algorithms could also be applicable to patients with recurrent HCC after surgery. As such, this study sought to explore an optimal risk stratification method for cases of recurrent HCC for better clinical management. METHODS: Among the 1616 patients who underwent curative resection for HCC, the clinical features and survival outcomes of 983 patients who developed recurrence were examined in detail. RESULTS: Multivariate analysis confirmed that both the disease-free interval (DFI) from the previous surgery and tumor stage at recurrence were significant prognostic factors. However, the prognostic impact of DFI seemed different according to the tumor stages at recurrence. While curative-intent treatment showed strong influence on survival [hazard ratio (HR), 0.61; P < 0.001] regardless of the DFI in patients with stage 0 or stage A disease at recurrence, early recurrence (< 6 months) was a poor prognostic marker in patients with stage B disease. The prognosis of patients with stage C disease was exclusively influenced by the tumor distribution or choice of treatment than by the DFI. CONCLUSIONS: The DFI complementarily predicts the oncological behavior of recurrent HCC, with its predictive value differing depending on the tumor stage at recurrence. These factors should be considered for selection of the optimal treatment in patients with recurrent HCC after curative-intent surgery.
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Carcinoma Hepatocelular , Neoplasias Hepáticas , Humanos , Carcinoma Hepatocelular/patología , Neoplasias Hepáticas/patología , Hepatectomía , Recurrencia Local de Neoplasia/patología , Estudios Retrospectivos , Pronóstico , Supervivencia sin EnfermedadRESUMEN
PURPOSE: To investigate if body composition parameters measured by bioelectrical impedance analysis (BIA) and are reportedly correlated with clinical outcomes of patients undergoing digestive tract surgery could be useful for reliably evaluating the perioperative risk in patients undergoing hepatectomy. METHODS: Consecutive 200 patients who underwent BIA before hepatectomy were retrospectively reviewed. A risk prediction model for postoperative morbidity was created using the initial 100 patients, and its performance was validated using the remaining 100 patients. RESULTS: Based on the correlation with postoperative morbidity, a novel risk prediction model, the protein-edema score, was created using net protein weight and extracellular water/total body water ratio measured through BIA. The protein-edema score (score 0 vs. ≥ 1) showed a reproducible correlation with Clavien-Dindo 2 or greater postoperative morbidity in the validation set (17.7% vs. 46.4%, P = 0.002) as observed in the training set (18.8% vs. 49.0%, P = 0.002) after statistical adjustment. Similar tendency was also confirmed in Clavien-Dindo 3a or greater postoperative morbidity (5.9% vs. 18.2%, P = 0.037) and postoperative refractory ascites (5.5% vs. 17.4%, P = 0.037) in the validation set. CONCLUSIONS: The protein-edema score created based on BIA is significantly correlated with postoperative morbidity in patients undergoing liver resection.
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Edema , Hepatectomía , Humanos , Hepatectomía/efectos adversos , Impedancia Eléctrica , Estudios Retrospectivos , Factores de Riesgo , Edema/etiología , HígadoRESUMEN
INTRODUCTION: Vasculobiliary injury (VBI) is a rare but critical complication of laparoscopic cholecystectomy (Lap-C). Dividing first the gallbladder body and then the gallbladder neck from the gallbladder bed (the "body-first approach") may decrease the possibility of VBI. METHODS: The surgical outcome of 62 patients who underwent Lap-C with a body-first approach were evaluated. In this procedure, after serosal resection of the gallbladder, the gallbladder body is divided from the cystic plate; then the gallbladder neck and cystic duct are isolated. No connective tissue of the hepatic hilum is touched. RESULTS: A total of five patients had anatomical anomalies of the biliary tract that raised concerns of cholecystectomy. Furthermore, seven patients underwent subtotal cholecystectomy. No patients required conversion to open surgery, and none developed VBI or postoperative complications of Clavien-Dindo grade 3a or worse. CONCLUSION: The body-first approach may minimize the risk of VBI during Lap-C.
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Colecistectomía Laparoscópica , Humanos , Colecistectomía Laparoscópica/efectos adversos , Colecistectomía Laparoscópica/métodos , Vesícula Biliar/cirugía , Colecistectomía , Conducto Cístico/cirugía , HígadoRESUMEN
BACKGROUND: This study aimed to explore the efficacy of gadoxetic acid-enhanced (Gd-EOB) magnetic resonance imaging (MRI) in surgical risk estimation among patients with marginal hepatic function estimated by indocyanine green (ICG) clearance test. METHODS: This analysis focused on 120 patients with marginal hepatic functional reserve (ICG clearance rate of future liver remnant [ICG-Krem] < 0.10). Preoperative Gd-EOB MRI was retrospectively reviewed, and the remnant hepatocyte uptake index (rHUI) was calculated for quantitative measurement of liver function. The predictive power of rHUI for posthepatectomy liver failure was compared with several clinical measures used in current risk estimation before hepatectomy. RESULTS: Receiver operating curve analysis showed that rHUI had the best predictive power for posthepatectomy liver failure among the tested variables (ICG-R15, ICG-Krem, albumin + bilirubin score, and albumin + ICG-R15 score). Cross-validation showed that a threshold of 925 could be the best cut-off value for estimating the postoperative risk of liver failure with sensitivity, specificity, positive likelihood ratio, and negative likelihood ratio of 0.689, 0.884, 5.94, and 0.352, respectively. CONCLUSION: rHUI could be a sensitive substitute measure for posthepatectomy liver failure risk estimation among patients with marginal hepatic functional reserve.
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Fallo Hepático , Neoplasias Hepáticas , Humanos , Estudios Retrospectivos , Neoplasias Hepáticas/diagnóstico por imagen , Neoplasias Hepáticas/cirugía , Neoplasias Hepáticas/etiología , Pruebas de Función Hepática , Hígado/cirugía , Hepatocitos/patología , Fallo Hepático/diagnóstico , Fallo Hepático/etiología , Hepatectomía/efectos adversos , Verde de Indocianina , Albúminas , Imagen por Resonancia Magnética/métodos , Medición de RiesgoRESUMEN
INTRODUCTION: When lenvatinib is administered to people with hepatocellular carcinoma (HCC), tumor blood flow is reduced due to the inhibition of the vascular endothelial growth factor receptor (VEGFR) and fibroblast growth factor receptor (FGFR). Few studies have examined the decrease in tumor blood flow with respect to changes in tumor blood vessels (TBVs) in clinical practice. We investigated the mechanism of tumor blood flow control by investigating changes in the diameter of relatively large TBVs in large-sized lesions with high blood flow. METHODS: From January 2011 to October 2021, patients receiving lenvatinib for unresectable intrahepatic HCC at Toranomon Hospital, Tokyo, Japan, were considered for inclusion. We investigated the TBV diameter in the arterial phase of dynamic computed tomography before treatment and its change over time (2-12 weeks after lenvatinib initiation). The relationship between changes in TBV diameter and prognosis was also examined. RESULTS: Of 114 patients treated with lenvatinib for HCC, 26 patients who had intrahepatic lesions with a tumor diameter of 30 mm or more enrolled in the study. The median tumor and TBV diameters before treatment were 58 mm and 2.55 mm, respectively. Twenty-five patients (96%) had a shrinkage in TBV diameter 2-12 weeks after lenvatinib administration. The maximum TBV diameter shrinkage of 20% or more was observed in 19 patients (73%), and progression-free survival was prolonged in these patients compared to the group with less than 20% TBV diameter shrinkage (p = 0.039). DISCUSSION/CONCLUSION: Due to the antiangiogenic effect of lenvatinib, a shrinkage in the TBV diameter of HCC was observed. The shrinkage of TBV may be regarded as a process of normalization of TBVs. The shrinkage of TBVs in imaging analysis may be associated with improved prognosis; however, additional studies are still required.
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Antineoplásicos , Carcinoma Hepatocelular , Neoplasias Hepáticas , Humanos , Carcinoma Hepatocelular/diagnóstico por imagen , Carcinoma Hepatocelular/tratamiento farmacológico , Carcinoma Hepatocelular/metabolismo , Neoplasias Hepáticas/diagnóstico por imagen , Neoplasias Hepáticas/tratamiento farmacológico , Neoplasias Hepáticas/metabolismo , Factor A de Crecimiento Endotelial Vascular , Antineoplásicos/efectos adversos , Compuestos de Fenilurea/uso terapéuticoRESUMEN
BACKGROUND: The aims of this study were to evaluate the clinical impact of curative-intent subsequent treatment on overall prognosis in lenvatinib-treated hepatocellular carcinoma (HCC) patients. METHODS: Eighty-three consecutive patients with intrahepatic target nodules who received lenvatinib were reviewed. The clinical impact of curative-intent subsequent treatments was investigated through analysis of overall survival (OS) according to pathological deterioration stratified by mALBI grade. RESULTS: In patients with mALBI grade 1 and 2a liver function, R0 resection and lenvatinib-transarterial chemoembolization (lenvatinib-TACE) sequential therapy resulted in significantly better OS compared with other, non-curative-intent subsequent therapy and lack of additional treatment (median OS, 37.6 vs 29.0 months and 17.1 vs 8.9 months, respectively; P < 0.001). Multivariate analysis confirmed that use of R0 resection and lenvatinib-TACE sequential therapy were associated with better OS (hazard ratio [HR], 0.021; P < 0.001 and 0.108; P < 0.001) compared with other, non-curative-intent subsequent treatment (HR 0.256; P = 0.010). In contrast, in patients with mALBI grade 2b liver function, multivariate analysis confirmed higher treatment efficacy for non-curative-intent subsequent treatment with respect to OS (HR 0.041; P < 0.001) compared with R0 resection and lenvatinib-TACE sequential therapy (HR 0.057; P = 0.027 and 0.063; P = 0.001). CONCLUSION: Curative-intent subsequent treatment is more useful for HCC patients with better liver function (mALBI grade 1 and 2a) and intrahepatic target nodules who have received lenvatini b-based treatment.
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Carcinoma Hepatocelular , Quimioembolización Terapéutica , Neoplasias Hepáticas , Humanos , Carcinoma Hepatocelular/tratamiento farmacológico , Carcinoma Hepatocelular/patología , Neoplasias Hepáticas/patología , Quimioembolización Terapéutica/métodos , Resultado del Tratamiento , Estudios RetrospectivosRESUMEN
BACKGROUND: Rectal neuroendocrine neoplasms can induce liver metastasis. However, few reports exist on the associated long-term recurrence rates. We report a case of liver metastasis identified 15 years after rectal neuroendocrine neoplasm resection. CASE PRESENTATION: A 50-year-old woman was on semi-annual follow-up after undergoing mastectomy for breast cancer (pT1N0M0) and low anterior resection for grade 1 rectal neuroendocrine neoplasm (pT1b, ly1, v1). Fifteen years postoperatively, a 7-mm hyperechoic mass was identified at liver segment 6. Magnetic resonance imaging revealed a slight growth of the mass. Positron emission tomography/computed tomography revealed radiotracer accumulation in the lesion. Laparoscopic hepatectomy was performed. The histopathological diagnosis was grade 2 neuroendocrine neoplasm. The pathological findings and clinical course indicated the tumor originated in the rectum. CONCLUSIONS: Our findings highlight the need to reassess the optimal postoperative follow-up period for patients with rectal neuroendocrine neoplasm.
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The case is a 67-year-old female with autosomal dominant polycystic kidney disease who was followed up regularly. CT scan showed a mural nodule growing over the past 4 years inside the hypodense region surrounded by hepatic cysts. Surgery was performed and the pathological diagnosis was StageI gallbladder cancer.
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BACKGROUND: Increasing number of patients with advanced hepatocellular carcinoma (HCC) has recently achieved salvage interventions after introduction of new biologic agents, while there are insufficient data to determine if such additional intervention(s) after treatment with newer biologic agents are truly advantageous for patients with advanced HCC. METHODS: The clinical records of 107 consecutive patients who underwent lenvatinib treatment for advanced HCC were extensively reviewed and the prognostic advantages of individual additional treatments after lenvatinib treatment were investigated through a regression analysis considering time-dependent covariates. RESULTS: Multivariate analysis revealed that R0 resection or curative-intent radiofrequency ablation (RFA) (hazard ratio [HR], 0.07; 95% CI, 0.01-0.32), transarterial chemoembolization or transarterial infusion therapy (HR, 0.39; 95% CI, 0.19-0.81), and subsequent line of systemic therapy (HR, 0.25; 95% CI, 0.10-0.63) were associated with improved disease-specific survival (DSS), while R2 resection or palliative-intent RFA showed no correlation with DSS. The best response during lenvatinib therapy, nutritional status, plasma des-gamma-carboxyprothrombin level, a baseline CT enhancement pattern, and BCLC stage were also selected as independent predictors for DSS. Among the various treatments performed after lenvatinib therapy, R0 resection also showed clear prognostic advantage in both progression-free survival (HR, 0.30; 95% CI, 0.16-0.58) and time-to-treatment failure (HR, 0.08; 95% CI, 0.02-0.39), suggesting that successful conversion to surgery may prolong survival outcomes through prolonged cancer-free interval in advanced HCC. CONCLUSIONS: Additional intervention(s)/treatment(s) after lenvatinib therapy for advanced HCC may have prognostic advantage in strictly selected populations. Successful conversion to curative resection may offer survival benefit with acceptable clinical outcomes.