A case report of primary adenocarcinoma of small intestine

This is an account of a case of primary adenocarcinoma of the small intestine with peritoneal dissemination successfully treated with chemotherapy. A 64-year-old woman was admitted with a complaint of severe abdominal distension. Abdominal computerized tomography revealed a bowel obstruction with tumor and the remarkable small bowel dilation of oral side of tumor. The tumor was found at surgery to be at the ileum 15 cm proximal from the ileocecal region. Peritoneal dissemination was recognized around the ileocecal region, so ileum partial resection was performed for the primary cancer lesion and dissemination region. Pathological diagnosis of the resected specimen was adenocarcinoma with lymph nodes metastasis. The peritoneal dissemination consisted of metastatic adenocarcinoma from small intestine. After an operation, internal use of S-1 was performed as adjuvant chemotherapy. But a recurrent lesion at the ovarium was detected 6 months after surgery. The patient was subsequently treated with resection of the ovarium. For lung metastasis, the combination chemotherapy with mFOLFOX6 + bevacizumab was administered. Primary small intestinal adenocarcinoma is a rare disease, and it is often diagnosed as advanced cancer because of few characteristic symptoms. So carcinoma of the small intestine usually has a poor prognosis.     

Small bowel metastases from primary carcinoma of the lung

Although about half of all patients with carcinoma of the lung have metastases at initial presentation, only nine with metastases to the small bowel have been previously reported. This study was performed to determine the incidence of occult and clinically apparent metastases of lung cancer to the small intestine. Small bowel metastases were present in 46 of 431 patients with primary lung cancer who underwent autopsy during an 11-year period. These patients had an average of 4.8 metastatic sites. Small bowel metastases were present in 12 of 31 (39.0%) patients with large cell carcinoma, 13 of 108 (12.3%) with adenocarcinoma, six of 73 (8.0%) with small cell carcinoma, 15 of 199 (7.5%) with squamous cell carcinoma, and none of 20 with undifferentiated carcinoma. During the same interval, six of 78 patients undergoing small bowel resection for metastatic tumor had lung cancer primaries. Among the nine previously reported clinical cases of small bowel metastases and the six in this series, 14 were operated upon for small bowel perforation and one for obstruction. Nine patients died perioperatively, and no patient survived longer than 16 weeks. These data demonstrate that the incidence of lung cancer metastases to the small bowel is higher than is clinically apparent. Lung cancer metastases to the small bowel often present as intestinal perforation and indicate a poor prognosis; surgery is indicated for palliation.     

A case of lung cancer metastasized to the gastrointestinal anastomosis site where the primary gastric cancer was resected 17 years ago

Metastasis from lung cancer, often found in the adrenal glands, bone, liver, brain, and kidneys, have been thought to be rare in the digestive system. When a metastatic tumor is found in the intestine, it is most commonly metastatic melanoma or carcinoma of the cervix uteri, ovary, or breast. Yet, intestinal metastases have been described in 11% of lung cancers at autopsy. These metastases may induce gastrointestinal perforation, obstruction, or bleeding. Patients with bleeding from small intestinal metastases secondary to lung cancer almost uniformly have poor prognoses. The lung cancer metastasized to the gastrointestinal site or location where a first primary cancer was once resected is never reported in the literature. We report the case of a 76-year-old man with a history of gastric adenocarcinoma treated by subtotal gastrectomy seventeen years ago who presented with lung cancer metastatic to the bone. One month later, he developed persistent melena due to duodenal metastases. Upper gastrointestinal endoscopy showed an ulcerative duodenal mass with bleeding. The pathohistological and immunohistochemical examinations of tissue from the pathologic fracture and the endoscopic biopsy specimen revealed metastatic poorly differentiated adenocarcinoma consistent with lung origin. The diagnosis of metastatic lung cancer can be rendered based on pathologic examination and immunohistochemical analysis, even without access to the primary lung tumor. In this case, the anastomosis site where a gastrectomy for gastric cancer was once performed might be a good niche or microenvironment for cancer cells or tumor stem cells to metastasize to.     

Intestinal metastasis from breast cancer: Presentation,treatment and survival from a systematic literature review

BACKGROUNDIntestinal metastases from breast cancer (BC) arerare; available data depend mainly on case reports and case series.AIMTo conduct a review of the literature regarding presentation, diagnosis, treatment and survival of patients with intestinal metastasis from BC.METHODSWe identified all articles that described patients with intestinal metastasis (from duodenum to anum) from BC using MEDLINE (1975 to 2020) and EMBASE (1975 to 2020) electronic databases.RESULTSWe found 96 cases of intestinal metastasis of BC. Metastasization involved large bowel (cecum, colon, sigmoid, rectum) (51%), small bowel (duodenum, jejunum, ileum) (49%), and anum (< 1%). Median age of patients was 61-years. The most frequent histology was infiltrating lobular carcinoma followed by infiltrating ductal carcinoma. In more than half of patients, the diagnosis was made after the diagnosis of BC (median: 7.2 years) and in many cases of emergency, for bowel obstruction, bleeding or perforation. Diagnosis was achieved through endoscopy, radiological examination or both. In most of the cases, patients underwent surgery with or without systemic therapies. Survival of patients included in this review was available in less than 50% of patients and showed an overall median of 12 mo since diagnosis of the intestinal metastasis.CONCLUSIONAlthough, intestinal metastases of BC are considered a rare condition, clinicians should consider the possibility of intestinal involvement in case of abdominal symptoms even in acute setting and many years after the diagnosis of BC, especially in patients with a histology of lobular carcinoma.     

Tongue swelling as a manifestation of tongue metastasis from pulmonary sarcomatoid carcinoma: A case report

BACKGROUNDSarcomatoid carcinoma is a rare subtype of non-small-cell lung cancer, commonly associated with locally advanced disease, early metastasis, and poor prognosis. Tongue metastasis from lung cancer is a rare condition that may occur in advanced stage of the disease.CASE SUMMARYThe patient was a 70-year-old female with a history of resected pulmonary sarcomatoid carcinoma (PSC) who presented with subacute tongue swelling, imparting the clinical impression of a lingual abscess. However, histologic examination of the partial glossectomy revealed a high-grade, poorly differentiated spindle and epithelioid carcinoma consistent with metastatic PSC.CONCLUSIONAlthough uncommon, clinicians should be cognizant of the possibility of a metastatic process to the tongue mimicking a benign or inflammatory process. A high index of suspicion for metastatic disease should be maintained when tongue swelling is observed in patients with a known history of PSC.     

An operated case of metastasis to the small intestine from lung cancer

We report a rare case of a 68-year-old man with long-term survival after a surgical treatment of solitary metachronous small intestinal metastasis from lung cancer. He underwent a right upper lobectomy for primary lung adenocarcinoma. Thirty -four months after the operation, a tumor of small bowel was detected by computed tomography. The tumor was resected and diagnosed as a metastasis from lung cancer. Eighteen months after resection of metastasis, a tumor located at mesentery of the jejunum was pointed out. The tumor was resected and also diagnosed as a metastasis from lung cancer. The postoperative course was uneventful, and the patient is still alive without recurrence for 3 years after the last operation. We reviewed of 222 Japanese cases that underwent a resection of small intestinal metastasis from lung cancer. Although the prognosis was extremely poor for those who underwent a resection of the primary lung cancer and who had no remnant metastatic lesion at the time of metastasectomy, they seem to have a longer survival time.     

Construction and evaluation of prognostic models for esophageal cancer patients with distant and non-distant metastases: providing a reference process for clinical diagnosis and treatment

BackgroundAlthough the current treatment for esophageal cancer has great technological progress, the 5-year survival rate of patients is not optimistic. About 70% of patients with esophageal cancer are at an advanced stage at first diagnosis. These patients are prone to distant metastasis, and the prognosis is poor. Therefore, understanding the risk factors for distant metastasis in patients with esophageal cancer, combined with the prognosis of the patient, can aid in choosing the optimal diagnosis and treatment plan. Ultimately, it will improve the patient’s survival time and quality of life. This research aims to construct a model for the risk assessment of distant metastasis in patients with esophageal cancer and prognostic models for patients with distant and non-distant metastases.MethodsThe Surveillance Epidemiology and End Results (SEER) database was used to select patients with esophageal cancer from 2010 to 2015. The optimal cutoff point was selected for the age and tumor size variables using X-tile. The nomogram was constructed using R software (The R Foundation for Statistical Computing).ResultsGender, grade, T stage, N stage, and tumor size were independent risk factors associated with distant metastasis in patients with esophageal cancer. The concordance index (C-index) of the nomogram prediction model for whether the patient will have distant metastasis was 0.609. Age, grade, T stage, N stage, and tumor size were independent risk factors affecting the prognosis without distant metastasis. The C-index of the nomogram prediction model for patients with distant metastases was 0.590. Age and T stage were independent risk factors affecting the prognosis of patients with distant metastases. The C-index of the nomogram prediction model was 0.543. The combination of radiotherapy, chemotherapy, and primary surgery yielded the best overall survival for both patients with distant metastases and patients with non-distant metastases.ConclusionsA comprehensive assessment of the risk of distant metastasis in patients with esophageal cancer, combined with prognosis prediction, is necessary to provide patients with a reasonable treatment plan.     

MKK7 mediates miR‐493‐dependent suppression of liver metastasis of colon cancer cells

The prognosis of advanced colon cancer patients is profoundly affected by the presence or absence of liver metastasis. miR‐493 functions as a potent suppressor of liver metastasis, and low‐level miR‐493 expression in human primary colon cancer is associated with an elevated incidence of liver metastasis. We previously showed that IGF1R is a target gene of miR‐493, and that the inhibition of IGF1R partly explains how miR‐493 suppresses liver metastasis. However, major functional targets that mediate the antimetastatic activity of miR‐493 remain elusive. Here, we extended our search for target genes and identified MKK7, a mitogen‐activated protein kinase kinase, as a novel target of miR‐493. miR‐493 inhibits MKK7 expression by targeting the binding site at the 3′‐UTR of the mkk7 gene. MKK7 was expressed in six out of seven colon cancer cell lines examined but not in non‐transformed colon epithelial cells, and its expression was required for the activating phosphorylation of JNK. RNA interference‐mediated inhibition of MKK7 resulted in marked suppression of liver metastasis of colon cancer cells. A significant decrease of metastasized cells by the MKK7 knockdown was observed, even at early stages of the metastatic settlement, in accordance with a time course of the miR‐493‐mediated inhibition of the metastasis. Immunohistochemical examination in human primary colon tumors revealed that the occurrence of liver metastasis is associated with elevated levels of MKK7. Thus, MKK7 is a major functional target of miR‐493, and its suppression thwarts liver metastasis of colon cancer cells.     

卵巢癌肠道转移的危险因素及预后分析

[目的]分析卵巢癌肠道转移的危险因素。[方法]回顾性分析2005年6月至2008年6月经手术治疗的235例晚期卵巢恶性肿瘤病例的临床资料,经术后病理证实肠道转移者107例。[结果]吸烟、体重指数〉30kg/m2、肿瘤直径〉4cm、原发肿瘤累及两侧卵巢、临床分期较晚、组织分化较差、伴有大量腹水（≥1500ml）、CA125较高（≥500U/ml）与卵巢癌肠道转移有关（P〈0.05）。转移肠段切除患者3年和5年生存率分别为57.7%和43.8%,肿瘤局部切除患者3年和5年生存率分别为30.4%和12.2%,两组3年和5年生存率差异有统计学意义（P〈0.05）。残余病灶≥2cm的患者半年内复发率（54.5%）比残余病灶〈2cm患者（18.8%）高（P〈0.05）,首次切除的患者半年内复发率（24.4%）比两次或以上切除患者（55.2%）低（P〈0.05）。[结论]为提高卵巢癌肠道转移者疗效,术前应全面分析肠道转移的危险因素,评估肠道受累程度,做好充分的肠道准备;术中行肿瘤细胞减灭术应尽量采取转移肠道切除术。     

Medical and Personal Characteristics Can Predict the Risk of Lung Metastasis

AimsUnderstanding the correlations between underlying medical and personal characteristics of a patient with cancer and the risk of lung metastasis may improve clinical management and outcomes. We used machine learning methodologies to predict the risk of lung metastasis using readily available predictors.Materials and methodsWe retrospectively analysed a cohort of 11 164 oncological patients, with clinical records gathered between 2000 and 2020. The input data consisted of 94 parameters, including age, body mass index (BMI), sex, social history, 81 primary cancer types, underlying lung disease and diabetes mellitus. The strongest underlying predictors were discovered with the analysis of the highest performing method among four distinct machine learning methods.ResultsLung metastasis was present in 958 of 11 164 oncological patients. The median age and BMI of the study population were 63 (±19) and 25.12 (±5.66), respectively. The random forest method had the most robust performance among the machine learning methods. Feature importance analysis revealed high BMI as the strongest predictor. Advanced age, smoking, male gender, alcohol dependence, chronic obstructive pulmonary disease and diabetes were also strongly associated with lung metastasis. Among primary cancers, melanoma and renal cancer had the strongest correlation.ConclusionsUsing a machine learning-based approach, we revealed new correlations between personal and medical characteristics of patients with cancer and lung metastasis. This study highlights the previously unknown impact of predictors such as obesity, advanced age and underlying lung disease on the occurrence of lung metastasis. This prediction model can assist physicians with preventive risk factor control and treatment strategies.     

CAVEOLIN-1 expression in brain metastasis from lung cancer predicts worse outcome and radioresistance,irrespective of tumor histotype

Brain metastases develop in one-third of patients with non-small-cell lung cancer and are associated with a dismal prognosis, irrespective of surgery or chemo-radiotherapy. Pathological markers for predicting outcomes after surgical resection and radiotherapy responsiveness are still lacking. Caveolin 1 has been associated with chemo- and radioresistance in various tumors, including non-small-cell lung cancer. Here, caveolin 1 expression was assessed in a series of 69 brain metastases from non-small-cell lung cancer and matched primary tumors to determine its role in predicting survival and radiotherapy responsiveness. Only caveolin 1 expression in brain metastasis was associated with poor prognosis and an increased risk of death (log rank test, p = 0.015). Moreover, in the younger patients (median age of <54 years), caveolin 1 expression neutralized the favorable effect of young age on survival compared with the older patients. Among the radiotherapy-treated patients, an increased risk of death was detected in the group with caveolin 1-positive brain metastasis (14 out of 22 patients, HR=6.839, 95% CI 1.849 to 25.301, Wald test p = 0.004). Overall, caveolin 1 expression in brain metastasis from non-small-cell lung cancer is independently predictive of worse outcome and radioresistance and could become an additional tool for personalized therapy in the critical subset of brain-metastatic non-small-cell lung cancer patients.     

老年肺癌住院死亡患者肺部感染影响因素分析

目的 探讨晚期老年肺癌住院患者死亡原因及肺部感染影响因素。方法 回顾性分析88例晚期老年肺癌住院患者死亡病例临床资料。结果 本组肺癌患者均≥65岁,功能状态评分>2分者占81.82%,90%以上至少有一处转移,基础病多,住院期间侵入性操作多,肺部感染是最主要的并发症,预后差,占死亡原因68.18%。病原菌以革兰氏阴性菌为主,常伴有真菌感染。3种以上抗肿瘤治疗、胸腔积液、肺部转移、住院时间长是肺部感染的危险因素。结论 肺部感染是晚期老年肺癌患者主要并发症和死亡原因。尽早发现转移灶,有效处理肺部及胸膜转移,减少易感因素,根据痰培养结果及时控制感染,是提高晚期老年肺癌患者治疗效果的关键。     

Prognosis in advanced lung cancer – A prospective study examining key clinicopathological factors

ObjectivesIn patients with advanced incurable lung cancer deciding as to the most appropriate treatment (e.g. chemotherapy or supportive care only) is challenging. In such patients the TNM classification system has reached its ceiling therefore other factors are used to assess prognosis and as such, guide treatment. Performance status (PS), weight loss and inflammatory biomarkers (Glasgow Prognostic Score (mGPS)) predict survival in advanced lung cancer however these have not been compared. This study compares key prognostic factors in advanced lung cancer.Materials and methodsPatients with newly diagnosed advanced lung cancer were recruited and demographics, weight loss, other prognostic factors (mGPS, PS) were collected. Kaplan–Meier and Cox regression methods were used to compare these prognostic factors.Results390 patients with advanced incurable lung cancer were recruited; 341 were male, median age was 66 years (IQR 59–73) and patients had stage IV non-small cell (n = 288) (73.8%) or extensive stage small cell lung cancer (n = 102) (26.2%). The median survival was 7.8 months. On multivariate analysis only performance status (HR 1.74 CI 1.50–2.02) and mGPS (HR 1.67, CI 1.40–2.00) predicted survival (p < 0.001). Survival at 3 months ranged from 99% (ECOG 0–1) to 74% (ECOG 2) and using mGPS, from 99% (mGPS0) to 71% (mGPS2). In combination, survival ranged from 99% (mGPS 0, ECOG 0–1) to 33% (mGPS2, ECOG 3).ConclusionPerformance status and the mGPS are superior prognostic factors in advanced lung cancer. In combination, these improved survival prediction compared with either alone.     

110例局部非小细胞肺癌手术治疗的预后分析

目的:探讨手术治疗非小细胞肺癌（non-small cell lung cancer,NSCLC）患者的临床病理特征与预后的关系。方法:回顾分析110例NSCLC患者的临床资料,临床病理特征和治疗情况,并用Kaplan-Meier法进行预后分析。结果:110例NSCLC患者,男女比例为2.79∶1;年龄31~84岁,中位年龄63岁,＜65岁的61例,≥65岁的49例。中位生存时间为67个月。单因素分析结果显示,老年（P=0.026）、淋巴结转移阳性（P=0.049）及Ⅲ期患者（P=0.000）预后差。多因素分析结果显示年龄（P=0.014）及临床分期（P=0.001）是影响NSCLC患者生存的独立预后因素。亚组分析结果显示淋巴结转移阳性的NSCLC患者中,肿瘤位于右肺（P=0.005）及肿瘤最大径＞5 cm组（P=0.014）预后较差。结论:老年、临床分期为Ⅲ期、有淋巴结转移且肿瘤位于右肺及直径大于5 cm的患者预后差。     

Surgical management of gastric perforation in the setting of gastric cancer

Background

Gastric perforation is a rare presentation of gastric cancer and is thought to be a predictor of advanced disease and, thus, poor prognosis. Guidelines do not exist for the optimal management strategy. We aimed to identify, review, and summarize the literature pertaining to perforation in the setting of gastric cancer.

Methods

A qualitative, systematic review of the literature was performed from January 1, 1985, to January 1, 2010. Searches of MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials were performed using search terms related to gastric cancer surgery. Abstracts were examined by two independent reviewers and a standardized data collection tool was used to extract relevant data points. Summary tables were created.

Results

Nine articles were included. Perforation was reported to occur in fewer than 5% of gastric cancer patients. Preoperative diagnosis of a gastric cancer was rated and occurred in 14–57% of patients in the papers reviewed. Mortality rates for emergency gastrectomy ranged from 0 to 50% and for simple closure procedures the rates ranged from 8 to 100%. Patients able to receive an R0 gastrectomy demonstrated better long-term survival (median 75 months, 50% 5-year) compared with patients who had simple closure procedures.

Conclusions

Gastric cancer patients presenting with a gastric perforation demonstrate improved overall survival with an R0 resection; however, implementation of this management technique is complicated by infrequent preoperative gastric cancer diagnosis, and inability to perform an oncologic resection due to patient instability and intra-abdominal contamination.

     

Breast metastasis from non-small-cell lung carcinoma

Development of metastasis to the breast from lung cancer is very rare and the prognosis for such patients is poor. We present a patient who had metastasis to breast from non-small-cell lung cancer. It is important to distinguish a primary breast cancer from metastasis to the breast, as the therapy offered would be markedly different, with considerably different outcomes.     

Detecting expression of MRP-1/CD9 mRNA in lung cancers using tissue microarrays and fluorescence in situ hybridization methods

Objective: The aim of this study was to investigate the MRP-1/CD9mRNA expression in lung cancer and normal lung tissues and the relationship between its expression and pathologic grades, clinical stages, metastasis and prognosis. Methods: To observe MRP-1/C9mRNA expression, tissue microarray (TMA) containing 54 lung cancers and 10 normal lung tissues was prepared and Fluorescence in situ hybridization was used. Results: The positive rate of MRP-1/CD9 expression was 48.1% in lung cancer, lower than that of normal lung tissues. The statistical difference was significant (P<0.05). Its protein expression had no relationship with the patients’ ages, sex and the macroscopic type of tumor, but had relationships with the histological type, clinical stage, differentiated degree and metastasis. The expression in non-small cell lung cancer (NSCLC) was higher than that in small cell lung cancer (SCLC); in well-moderately differentiated group was higher than that in poorly differentiated group; Earlier period group (I+II) was higher than in later period group (III+IV); and in group without lymphoid metastasis was higher than in patients with lymphoid metastasis. Conclusion: The progression of the lung cancer maybe related with the descended MRP-1/Cd9 expression, which may be useful in evaluating the prognosis of cancer patients. Foundation item: This work was supported by a grant from Tianjin Science and Technology Committee (No. 033804211) Biography: WANG Xin-yun(1945–), female, professor, Tianjin Medical University, majors in molecular biology of lung cancer.