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Although surgical resection is the first-line treatment for biliary tract cancer(BTC), elderly patients often have underlying diseases and decreased cardiopulmonary function that place them at a high risk of undergoing surgery. We examined the safety and efficacy of surgical resection in elderly BTC patients. Among the BTC cases that underwent surgical resection at Kobe University Hospital from 2009 to 2015, the safety and prognosis ofthose aged 75 years or older(Group 1)were compared to those younger than 75 years(Group 2)at the time ofsurgery. Fifty-two patients with perihilar cholangiocarcinoma( Bp), 29 patients with intrahepatic cholangiocarcinoma(ICC), and 40 patients with ampulla ofVater cancer(AV) were included. There was no significant difference between the 2 groups with respect to complications of Grade Ⅲor above, while surgery-related death was more common in Bp and ICC ofGroup 1. The median survival ofGroup 1 following hepatectomy for Bp and ICC(22 months)was significantly shorter than that of Group 2(40 months)(p=0.023). There was no significant difference in overall survival of Group 1 and Group 2 patients with AV(p=0.094). Surgical resection for BP and ICC for elderly patients has a higher risk of hepatectomy; therefore, precise assessment of oncologic and patient risk factors should be performed. As we can expect to achieve similar prognoses between non-elderly and elderly patients with AV, aggressive treatments should be considered for elderly patients with AV.

A 47-year-old woman who had unresectable locally advanced gallbladder cancer(GBC)accompanied with liverinvasion, duodenum invasion, transverse colon invasion, and surrounding lymphatic metastasis received 5 courses of chemotherapy with gemcitabine plus cisplatin. Afterthe chemotherapy, imaging showed down-staging of the GBC, indicating tumor shrinkage. The initial laparoscopic examination revealed no peritoneal seeding or distant metastasis. Subsequently, we performed cholecystectomy with a partial hepatectomy at the gallbladder bed. Malignant findings were not observed in the histopathological examination and the pathological diagnosis was CR with pT0N0M0, Stage 0. The patient was discharged on day 11 after the operation. There has been no recurrence at 14 months after surgery. Although the prognosis of advanced GBC with local invasion is generally poor, chemotherapy might be an effective treatment for patients with initially unresectable locally advanced gallbladder carcinoma.

Although the first-line treatment for hepatocellular carcinoma(HCC)is hepatectomy, extreme elderly(80 years or older) patients often tend to have a variety of underlying diseases and decreased cardiopulmonary function, which means that surgery involves a high risk. In this case, we examined the safety and efficacy of hepatectomy performed in an extreme elderly patient with HCC. Of the patients with HCC that underwent initial hepatectomy at Kobe University Hospital(n=348)between 2009 and 2015, 23 patients aged 80 years or older at the time of surgery(Group 1, n=23)and those younger than 80 years at the time(Group 2, n=325)were compared, based on parameters related to safety and prognosis. We did not identify differences between the 2 groups with respect to blood loss and operating time. Intraoperative blood transfusion was more common in Group 1. There was no significant difference between the 2 groups with respect to complications of Grade Ⅲ or higher. The median survival of Group 2 patients following hepatectomy(42 months)was better than that of Group 1 patients(34 months), but there was no significant difference between the 2 groups(p=0.429). Furthermore, when the same parameters were compared after adjusting for and matching propensity scores, there were no significant differences in complications, hospitalization periods, and prognosis between the 2 groups. Through proper assessment of oncologic factors and patient risk factors, hepatectomy can be performed safely and effectively even for extreme elderly patients with HCC. If there is no other disease regulating the prognosis, we can expect to achieve similar prognosis in non-extreme elderly patients. Hence, treatments should not be limited solely based on a patient being extremely elderly; rather, proactive treatments should be considered.

The patient was a 63-year-old man with hepatitis C. He discontinued combination therapy containing interferon and ribavirin because of the development of skin symptoms. A screening examination showed multiple early-stage hepatocellular carcinomas. He refused treatment and was followed up as an outpatient. During follow-up, his PIVKA-Ⅱ level remarkably elevated to 59,994mAU/mL. Computed tomography(CT)showed an enlarged tumor with portal invasion(vp2)in segment 8 and intrahepaticmetastasis. We performed right and partial hepatectomy. Three months later, CT showed multiple lung metastases. We initiated the daily administration of 800 mg of sorafenib. However, 6 months after hepatectomy, the lung metastases increased in size and number. We considered the therapeutic effect as progressive disease(PD)according to the RECIST criteria. We then initiated administering 120 mg of regorafenib daily as second-line therapy. In a course of the treatment containing sorafenib and regorafenib, the dose was reduced due to hand-foot skin reactions. 8.5 months after hepatectomy, the lung metastases significantly decreased in size. One year after hepatectomy, almost complete response(CR) was obtained, and no intrahepatic recurrence was found.

A 71-year-old woman underwent right nephrectomy for the treatment of clear cell renal cell carcinoma at the age of 53. After 15 years, surgical removal of a solitary tumor was performed in the right adrenal gland and thyroid gland; both were diagnosed as metastases of renal cell carcinoma. Eighteen years after the initial resection, computed tomography(CT) showed multiple hypervascular tumors spreading across the entire area of the pancreas. She was referred to our hospital, and endoscopic ultrasound-guided fine needle aspiration biopsy(EUS-FNA)revealed that they were metastases from the renal cell carcinoma. Total pancreatectomy and splenectomy were performed, and the patient remains alive and well with no evidence of recurrent disease 7 months after the pancreatectomy. Furthermore, her blood glucose level is well controlled with insulin therapy.

We report a case of bilobar multiple hepatocellular carcinoma(HCC)with peritoneal dissemination successfullytreated by dual treatment with reductive surgeryplus percutaneous isolated hepatic perfusion(PIHP). A 73-year-old man had sudden abdominal pain and was diagnosed bilobar multiple HCC through some examinations. The abdominal CT scan demonstrated onlya peritoneal dissemination under the liver. We performed partial hepatectomyof the lateral segment and the Spiegel lobe, and resected a peritoneal dissemination. Subsequently, we underwent PIHP twice. The tumor marker was normalized, and CT images demonstrated complete response according to the RECIST. Dual treatment is considered to be a unique therapeutic modalityfor severe advanced HCC.

A 72-year-old woman had severe watery diarrhea and weight loss. Computed tomography demonstrated a 55mm tumor in pancreatic tail with enlargement of para-aortic lymph nodes. There was no apparent liver metastasis. Endoscopic ultrasound demonstrated a well-circumscribed heterogenous tumor, which was diagnosed neuroendocrine tumor by endoscopic ultrasound-guided fine needle aspiration biopsy. For suspected VIPoma with para-aortic lymph node involvement, distal pancreatectomy and para-aortic lymphadenectomy was performed. The tumor was diagnosed as VIPoma by immunohistochemistry. The diarrhea improved after surgery. No evidence of recurrence was detected after a follow-up of 11 months.

A 69-year-old woman who was identified the tumor of the pancreas tail by CT scan for postoperative inspection of breast cancer. Pancreas tail cancer with para-aortic lymph node metastases was diagnosed by close inspection. She consulted a different hospital to receive their second opinion. She was diagnosed of sarcoidosis from points with lymphadenopathy in hilar region and para-aorta for 3 years and uveitis. The patient was referred to our institution for treatment. We performed distal pancreatectomy in March, 2014. No.16 lymph nodes were cancer-negative, but lymph nodes around the pancreas were cancer positive. Abdominal CT, 9 months after surgery, showed lymph node swelling. We recommended a definitive diagnosis by EUS-FNA, but she refused the inspection. She was checked by CT scan regularly afterwards and is alive without recurrence 39 months after the operation. Diagnosis for lymph node metastases is difficult for a malignant tumor when the sarcoidosis coexisted.

A 44-year-old woman underwent surgical resection and received preoperative and postoperative chemotherapy for conventional osteosarcoma in the right fibular head. Three years later, follow-up PET-CT revealed accumulation ofFDG in the tail ofthe pancreas. Contrast-enhanced computed tomography showed a 13mm well-circumscribed hypovascular tumor. EUS showed a heterogeneous solid tumor, which was diagnosed as metastasis ofosteosarcoma to the pancreas. Laparoscopic spleen preserving distal pancreatectomy(LAP-SPDP)was performed. Pathologically, the tumor was diagnosed as metastasis ofconventional osteosarcoma to the pancreas. Cells from pancreas islet tissue were detected in the tumor, suggesting invasion ofthe tumor into the pancreatic body and surrounding adipose tissue. Although postoperative chemotherapy was administered, lung metastasis was detected 1.1 years after surgery. Laparoscopic partial resection of the lung metastasis was performed, and the patient is still alive. Metastasis ofosteosarcoma to the pancreas is rare, and there is no report oflaparoscopic approach as a treatment. Herein, we report a case with several references.

A 66-year-old woman presented to the Department of Gynecology in our institution in 2005 with peritoneal recurrence of ovarian fibrosarcoma. Originally, combined modality therapy including repeated surgical resection and somatic chemotherapy was performed. A peritoneal recurrence was found near the pancreatic head. She was referred to our department in October 2015, and underwent pancreaticoduodenectomy. The tumor was severely adhesive to the portal vein and combined portal venous resection was performed. Histological examination of tumor specimens revealed tumor invasion to the adjacent pancreatic parenchyma and portal vein. No evidence of recurrence was detected after a follow-up of 8 months. We suggest that in cases with peritoneal recurrence of ovarian tumors, radical resection might be considered, taking into account the biologic behavior of the tumor.

A 69-year-old woman was admitted to a nearby clinic complaining of abdominal pain. Abdominal CT showed a 10 cm diameter huge cystic lesion in the body and tail of the pancreas. The patient was referred to our institution for treatment. Endoscopic ultrasonography (EUS) revealed a cystic mass with a solid lesion. Endoscopic retrograde pancreatography(ERP) demonstrated mucous at the opening of the papilla of Vater and dilatation of the pancreatic duct with a solid nodule. Contrast radiography revealed a fistula from the tumor to the jejunum. A biopsy specimen from the lesion showed adenocarcinoma. Intraoperative findings showed a tumor occupying the pancreas body and tail with suspected invasion to the stomach, jejunum, and transverse colon. We performed distal pancreatectomy with partial resection of stomach, jejunum, and colon. Pathological findings showed an invasive type of IPMC, with invasion to the subserosal layer of the stomach and colon and the mucous layer of the jejunum. While IPMC is recognized as a slow growing malignancy, some cases of invasive carcinoma with fistulation into adjacent organs have been reported. To our knowledge, a case of IPMC penetrating to 3 adjacent organs is rare.

A 38-year-old man underwent right hepatectomy for a huge hepatocellular carcinoma(HCC)in the right hepatic lobe. Four months later, recurrent and metastatic disease were observed in the remnant liver and right lung, respectively. We performed a hepatectomy for the recurrent lesion because transcatheter arterial chemoembolization (TACE) was not effective. After surgery, we initiated sorafenib treatment for the lung metastases. One year later, the lung metastases worsened and metastases were observed in the mediastinal lymph nodes, and both metastatic lesions were resected. Seven months later, para-aortic lymph nodal metastasis was observed and dissected. Three months later, metastasis to the supraclavicular lymph node was observed. We performed particle radiation therapy and a complete response was achieved. One year later, metastases in both lungs were observed and resected. Despite continued sorafenib administration throughout the clinical course, a metastasis to the left adrenal gland was observed. This lesion was extirpated because no other recurrent lesions were detected. At 4 years and 6 months after the first operation, no other recurrences have occurred. Currently, sorafenib is the initial drug of choice for HCC with extrahepatic metastases. It is possible to improve the prognosis of patients with HCC and extrahepatic metastases by applying surgical treatment during the course of sorafenib administration.

The patient was a 79-year-old man diagnosed with a single 9.3-cm hepatocellular carcinoma (HCC) in the medial segment of the liver, and left iliac bone metastasis. Initially, the patient was treated with a hepatic arterial infusion of low-dose FP (cisplatin/5-fluorouracil) at another hospital. Here, the patient received particle therapy for the left iliac bone metastasis at a total dose of 52.8 Gy in 4 fractions. Subsequently, he underwent medial segmentectomy of the liver to treat the primary HCC. Eleven months later, the first intrahepatic recurrence occurred, and the tumor was treated with percutaneous radiofrequency ablation (RFA). A second intrahepatic recurrence was detected 39 months later, which was also treated with percutaneous RFA. The patient remains well, with no evidence of tumor recurrence.

A 67-year-old man was admitted to our hospital with a complaint of epigastric discomfort. A 29-mm hypovascular tumor was detected in the head of the pancreas by abdominal computed tomography imaging. As the superior mesenteric artery (SMA) was also involved, we diagnosed the tumor as unresectable pancreatic cancer. With S-1 chemotherapy, a radiological partial response was seen. After 4 courses of chemotherapy, a subtotal-stomach-preserving-pancreatoduodenectomy with dissection of the nerve plexus surrounding the SMA was performed. Although the tissue surrounding the SMA was hard, invasion of the SMA was not detected. Microscopic investigation revealed a few moderately differentiated adenocarcinoma cells in the fibrous tissue and the nerve fibers of pancreas. No cancer cells were found at the edges of the surgical specimen. The patient underwent R0 resection and a pathological evaluation showed Grade III tumor according to the Evans classification. After surgery, S-1 was interrupted because of diarrhea and local recurrence appeared 4 months postoperatively. For improving the prognosis of patients with pancreatic cancers, surgical intervention is often performed in patients with initially unresectable pancreatic cancers who have "long-term" favorable responses to chemotherapy or chemoradiotherapy. However, because of the possibility of relatively good prognosis with nonsurgical treatment for such patients and also the demerits of surgical stress, it is important to carefully consider the adjuvant surgery option.

Here, we report a case of Hassab's operation for left-sided portal hypertension after pancreatoduodenectomy. A 69-year old man underwent pancreatoduodenectomy for pancreatic cancer in 2006 in which the splenic vein was ligated near the portal vein and then divided. The patient suffered repeated episodes of anemia between 2010 and 2013. However, we could not identify the bleeding site at that time. In 2011, local recurrence was detected. Disease progression occurred despite chemotherapy treatment, which was then discontinued. The left-sided portal hypertension gradually progressed, and the collateral vessels became dilated. In 2014, he was examined in our department for gastrointestinal bleeding. An upper gastrointestinal endoscopy revealed bleeding from gastric varices. Gastrointestinal bleeding ceased after endoscopic injection sclerotherapy ( EIS) was performed; however, the bleeding recurred. Balloon retrograde transvenous occlusion (BRTO) could not be performed because blood flow was not detected within the gastro-renal shunt. An emergency surgery was performed. Surgical splenectomy and devascularization (Hassab's operation) were performed. After surgery, the gastric body varices and gastrointestinal anastomosis disappeared and the bleeding did not occur. He is currently receiving outpatient treatment.

Recently, the indications for particle beam therapy have been expanded to include metastatic liver tumors. However, its adverse effects on the treated liver are unclear, and the possibility of local recurrence after treatment should not be ignored. A 65-year-old man with advanced rectal carcinoma underwent low anterior resection. Resectable metastatic liver tumors were detected after adjuvant chemotherapy; however, he opted to undergo particle beam therapy. Nine months after treatment, a local recurrence was detected around the treated area, and central bisegmentectomy of the liver was performed as a salvage operation. The operation was technically complicated owing to severe adhesions and inflammatory changes in the liver parenchyma around the treated area. Pathological examination revealed advanced liver fibrosis at the treated area, in contrast with normal parenchyma in the untreated area. Although the procedure requires advanced surgical techniques, salvage surgery is a feasible option for recurrent liver tumors after particle beam therapy.

Here, we report the efficacy of dual treatment with hepatic resection and percutaneous isolated hepatic perfusion (PIHP) for advanced hepatocellular carcinoma( HCC). Recently, we introduced treatment with combined particle therapy and PIHP for unresectable HCC in cases of insufficient liver function. The purpose of this study was to evaluate the safety and efficacy of PIHP for local control in the liver after particle therapy. From 2006 to 2013, 6 patients underwent particle therapy for the main lesion and subsequent PIHP for remnant liver lesions. Their mean age was 64 years, and the mean size of the main lesion was 6.2 cm (range, 2.0-10.8 cm). All patients had liver cirrhosis. After particle therapy, PIHP was performed by hepatic arterial infusion of 100 mg/m2 of doxorubicin and 30 mg/m2 of mitomycin C. With regard to side effects, neutropenia occurred in all patients but no serious hepatobiliary injury was observed. The response rate for PIHP was 50% (partial response: 3 and stable disease: 3). The mean overall survival time was 26.9 months after particle therapy. In conclusion, even after particle therapy, PIHP is a safe treatment and is associated with a good local control rate for remnant HCCs. Further accumulation of data is needed to evaluate the efficacy of this treatment strategy in terms of prognosis.

We report a case of multiple bilobar hepatocellular carcinoma( HCC) that was successfully treated with a multidisciplinary treatment including preoperative percutaneous isolated hepatic perfusion and hepatectomy. The patient was a 61- year-old man who was detected as having HCC mainly in segment 4 and 8 of the liver and multiple bilobar intrahepatic metastasis during follow-up evaluation for chronic hepatitis B. Curative resection was difficult because the patient had insufficient liver function and because of the location of the tumor. Hence, we performed preoperative percutaneous isolated hepatic perfusion (PIHP) to control the multiple HCC. Seven weeks after the PIHP, the tumor size had reduced, and therefore we performed an extended left hepatic lobectomy. In addition to these treatment modalities, we performed transcatheter arterial chemoembolization (TACE) 3 times owing to recurrent HCC in the right liver lobe. Considering that HCC in segment 8 can be treated with TACE, we performed partial hepatectomy. As of the last follow-up visit, the patient was alive without disease recurrence. Thus, preoperative PIHP may improve the resectability rate in patients with multiple bilobar HCC for which curative resection is difficult to perform.

We report a case of bilobar multiple hepatocellular carcinoma (HCC) successfully treated by preoperative percutaneous isolated hepatic perfusion(PIHP) and subsequent hepatectomy. A 77-year-old man with elevated serum PIVKA-II level and hepatomas was referred to our hospital. Abdominal dynamic computed tomography and gadoxetate disodium-enhanced magnetic resonance imaging demonstrated advanced HCCs: 11 tumors with a maximum tumor size of 4.8 cm diameter in the right lobe, and 1 tumor of 3.6 cm diameter in the left lobe. Curative resection was impossible due to insufficient liver function and due to the locations of the tumors. Therefore, we performed preoperative PIHP in order to control the multiple HCCs in the right lobe. This resulted in normalization of serum PIVKA-II level and complete necrosis of all tumors in the right lobe, as observed on dynamic computed tomography after 4 weeks of PIHP. Then, at 7 weeks after PIHP, we performed extended left lobectomy for residual tumor in the left lobe. Finally, complete remission was thought to have been achieved. The patient is alive 6 months after PIHP, without recurrence.

We report a case of multiple advanced hepatocellular carcinomas (HCC) with bilobar distribution treated by combination therapy of hepatectomy and particle therapy (carbon ion therapy). A 73-year-old man who had been pointed out hepatic tumors on abdominal CT was referred to our hospital in February 2010. Advanced HCCs; 8 cm Vp3 and 6 cm in the left lobe, 4 cm in the posterior segment, and 1 .5 cm in the S8 area, were detected by abdominal dynamic CT and EOB-MRI etc. Curative resection was not applied due to insufficiency of liver function and unfavorable anatomical tumor locations. Accordingly we have developed a novel combination therapy of hepatectomy and particle therapy. First we performed left lobectomy in March 2010, followed by administration of particle therapy to the posterior segment for local control in May. Then, transcatheter arterial chemoembolization was administered 4 times for residual tumors. The patient survives for 15 months after the initial therapy with good local control.

In December 2008, a 43-year-old male who had been pointed out a nodular shadow in the right upper field on a chest radiography was admitted to hospital. A 35 mm mass infiltrating to superior vena cava in the right upper lobe of the lung, and 32 mm mass in the liver at S7 were detected by CT. Pathological diagnosis of the liver tumor was adenocarcinoma. Under the diagnosis of lung carcinoma and liver metastasis, systemic chemotherapy was started from January 2009. Radiofrequency ablation (RFA) therapy was added for liver S7 mass in February, and radiation therapy was performed for lung mass in December. The lung lesion has markedly reduced, but the liver lesion recurred in October 2009, which continued to grow up to 80 mm until August 2010. He presented to our hospital with the diagnosis of liver metastasis of controlled primary lung cancer. In October, we performed right hepatectomy with diaphragma and right lung resection. The pathological diagnosis was intrahepatic cholangiocarcinoma. Multiple recurrences in remnant liver, lung and peritoneal metastasis were detected in January 2011. For intrahepatic cholangiocarcinoma, hepatectomy is the only established treatment, and RFA treatment remains controversial. Clinical diagnosis of multiple cancers should be decided with caution.

For patients with multiple bilobar hepatocellular carcinoma (m-HCC) and/or advanced portal venous tumor thrombus (Vp3, 4), there has been no effective therapy, and the survival of more than 6 months was exceptional. Under these circumstances, we have developed a dual treatment (dual Tx) that combines reductive hepatectomy with percutaneous isolated hepatic perfusion (PIHP) for such patients. This dual Tx offers the high-rate of mid- and long-term survival in a subset of patients who had previously a dismal prognosis. Herein, we report a patient with Vp4 m-HCC who was successfully treated with dual Tx and survived for more than 2 years with a complete remission of hepatic tumors. A 53-year-old man had main tumors in the right lobe liver and multiple bilobar intrahepatic metastases (IM) with portal venous tumor thrombus reaching the portal trunk. He underwent an extended right hepatectomy with portal venous tumor thrombectomy, and subsequently PIHP twice in a 3-month period after reductive hepatectomy. After dual Tx, he had sustained complete remission for more than 2 years. He died because of obstruction of the superior vena cava by recurrent tumors in the mediastinum. His clinical course after treatment strongly indicates that the dual Tx should become a major treatment option for patients with Vp3, 4 m-HCC.

We herein report a case of multiple advanced hepatocellular carcinoma (HCC) with rapidly progressing portal vein tumor thrombosis (PVTT). All of the hepatic tumors have completely disappeared for more than two years by a dual treatment with reductive surgery plus percutaneous isolated hepatic perfusion (PIHP). A 55-year-old man was referred to our institution on June 30, 2003. The abdominal CT scan demonstrated multiple massive HCC in the entire liver with PVTT reaching the portal trunk (Vp4). Two weeks later, the PVTT rapidly progressed to the umbilical portion of the left portal vein, and to the confluence of the superior mesenteric vein and to the splenic vein. Thus, we semi electively performed an extended right hepatectomy together with thrombectomy of the PVTT. Subsequently, he underwent a repeated PIHP (1st; doxorubicin 90 mg/m2, 2nd doxorubicin 65 mg/m2). This treatment produced complete tumor clearance of all of the residual tumors in the left liver. In March 2005, he underwent partial pneumonectomy for a metastatic lung. This again resulted in normalization of serum AFP and PIVKA-II levels. Dual treatment is considered to be the strongest therapeutic modality for multiple advanced HCC with severe PVTT. In addition, a close follow-up is required because in such far advanced cases, metastatic lesions most likely recur in the liver but also in the distant organs.