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Adenocarcinoma from an unknown primary

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https://www.readbyqxmd.com/read/29650846/-two-stage-radical-resection-of-a-case-of-colon-cancer-with-abdominal-wall-invasion-and-cholangiocarcinoma
#1
Takashi Sugimoto, Hidenori Kiyochi, Yohei Hosoda, Izumi Komoto, Yu Sasaki, Kazuhiro Nishiyama, Hokahiro Katayama, Nobuko Ogura, Shoji Tsunekawa, Yoshiro Taki, Mizuho Akahane, Teruyoshi Aoyama, Hiroko Matsumoto, Shoji Takami, Jun Kawai
A woman in her 50s was admitted to our hospital with fever and lower abdominal swelling. Abdominal CT/MRI examinations revealed irregular thickening of the transverse colon wall, which was attached to a subcutaneous abscess. An abdominal wall mass, a patent urachus, and a tumor in the 5th segment of the liver were also noted. Colonoscopy revealed type 2 advanced transverse colon cancer. The solitary, sessile tumor was observed at the apex of the bladder under cystoscopy, suggesting the formation of the urachal carcinoma...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29610002/renal-cell-carcinoma-presenting-as-carcinoma-of-unknown-primary-site-recognition-of-a-treatable-patient-subset
#2
F Anthony Greco, John D Hainsworth
BACKGROUND: Improved diagnostic methods, including gene expression profiling, allow identification of the tissue of origin in most patients with carcinoma of unknown primary site (CUP). Patients with an occult renal cell carcinoma (RCC) are of particular interest, because effective treatment for advanced RCC has no overlap with the empiric chemotherapy used traditionally for CUP. We report the clinical characteristics, pathologic features, and response to RCC-specific treatment in CUP patients identified as RCC using a molecular cancer classifier assay (MCCA)...
March 9, 2018: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29540890/primary-jejunal-adenocarcinoma-an-unsuspected-culprit
#3
Nauman Ahmed, Hammad Naeem Rana
Primary Small bowel adenocarcinoma, a rare entity and having varied clinical presentation, makes its clinical detection a diagnostic challenge. Moreover, its true prevalence in sub-continent population has not yet been established, which makes it more difficult for its detection. We present the case of a 60 year old male who came with abdominal pain and weight loss for two years as the only symptoms. A series of tests in the two year period remained inconclusive. Later Computed tomography showed a suspicious mass at the terminal ileum...
March 2018: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/29518639/axillary-lymph-node-metastases-from-unknown-primary-a-french-multicentre-study
#4
Lobna Ouldamer, Marie Cayrol, Mathilde Vital, Claire Fièvre, Marion Druelles, Flavie Arbion, Gilles Body, Jean Lévêque, Xavier Fritel
PURPOSE: The aim of the study was to investigate the management and prognosis of axillary cancers from unknown primaries (CUPax). METHODS: We included all patients with lesions described as axillary nodal metastases from an unknown primary referred to four French tertiary breast cancer centres between January 1988 and December 2012. The inclusion criteria comprised: no sign of primary breast cancer on clinical examination nor on imaging (mammography, ultrasonography and breast MRI) and no primary tumour identified elsewhere...
February 23, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29189288/clinicopathologic-and-molecular-characteristics-of-mesonephric-adenocarcinoma-arising-from-the-uterine-body
#5
Kiyong Na, Hyun-Soo Kim
Mesonephric adenocarcinoma (MNAC) is a rare tumor of the female genital tract mainly occurring in the uterine cervix. To date, only a few cases of MNAC arising from of the uterine body (UB-MNAC) have been reported. The clinicopathologic and molecular characteristics of UB-MNAC remain unknown. In this study, we investigated the clinical, histopathologic, immunohistochemical, and genetic features of UB-MNAC. In total, 11 cases were included. Six patients developed metastatic disease, most commonly in lungs (5/6)...
November 17, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29132061/synchronous-peritoneal-metastases-of-small-bowel-adenocarcinoma-insights-into-an-underexposed-clinical-phenomenon
#6
COMPARATIVE STUDY
Laura M Legué, Geert A Simkens, Geert-Jan M Creemers, Valery E P P Lemmens, Ignace H J T de Hingh
BACKGROUND: The aim of this population-based study was to provide insight into the incidence, risk factors and treatment-related survival of patients with peritoneal metastases (PM) of small bowel adenocarcinoma (SBA). METHODS: Data from the Netherlands Cancer Registry were used. All patients diagnosed with SBA between 2005 and 2014 were included. The influence of patient and tumour characteristics on the odds of developing PM was analysed. Subsequently, for all further analyses, patients without synchronous PM of SBA were excluded...
December 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29083018/spontaneous-regression-of-fdg-pet-positive-lung-adenocarcinoma-in-an-elderly-man
#7
Yukari Miyoshi, Norio Takayashiki, Hiroaki Satoh
Spontaneous cancer regression, either partial or complete, is a rare phenomenon, particularly in patients with lung cancer. The present paper is the case report of an elderly lung cancer patient aged 80 who exhibited spontaneous regression of the primary lesion, without receiving any treatment. Spontaneous regression commenced two years after obtaining pathological specimens by transbronchial biopsy from the pulmonary lesion. It is interesting that the tumor lesion had a strong uptake (standardized uptake value max: 26...
October 30, 2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/29046750/metastasis-to-the-pancreas-and-stomach-from-a-breast-cancer-primary-a-case-report
#8
Jason Kliiger, Mayer Gorbaty
A 60-year-old female with an unknown family history initially presented with signs and symptoms concerning for gastrointestinal cancer. Regular breast cancer screening and subsequent work-up around this time demonstrated the presence of T2N1 stage II triple positive ductal adenocarcinoma of the left breast. Follow-up imaging for her gastrointestinal symptoms demonstrated a 3.5 cm solitary mass in the pancreas and diffuse thickening of the stomach wall. Biopsies of the gastrointestinal lesions were identified as metastatic foci of the breast cancer primary...
October 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28968158/satb2-as-an-immunohistochemical-marker-for-colorectal-adenocarcinoma-a-concise-review-of-benefits-and-pitfalls
#9
REVIEW
Kyra B Berg, David F Schaeffer
SATB2 is part of the family of matrix attachment region-binding transcription factors, and has developmental roles in craniofacial, neural, and osteoblastic differentiation. Recently, SATB2 has been shown to be highly expressed in the epithelium of the lower gastrointestinal tract, with a relatively narrow expression profile in malignancies, including colorectal/appendiceal adenocarcinomas, tumors of osteoblastic differentiation, and renal/urothelial carcinomas. SATB2 has gained interest as a relatively specific marker of colorectal differentiation, with potential applications including determining origin of adenocarcinomas of unknown primary and distinguishing primary ovarian mucinous adenocarcinomas from colorectal metastases...
October 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28958067/an-intra-aortic-floating-metastatic-malignancy-of-unknown-primary-origin
#10
Yoshinori Kuroda, Tetsuro Uchida, Jun Hayashi, Mitsuaki Sadahiro
A 69-year-old man with sudden strong back pain was transported to our hospital by ambulance. The computed tomography scan revealed an intra-aortic floating mass with a stalk arising from the descending aortic wall, which was thought to be a thrombus. The floating mass displayed the characteristics of a thrombus rather than a neoplastic tumour on magnetic resonance imaging scan. Under extracorporeal circulation, the descending aorta was cut open, and the mass was resected. Subsequently, a stent graft was placed to cover the abnormal aortic intima to prevent recurrent thrombus formation...
August 29, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28855982/peritoneal-metastases-of-rare-carcinomas-treated-with-cytoreductive-surgery-and-hipec-a-single-center-case-series
#11
Andreas Brandl, Christina Barbara Zielinski, Wieland Raue, Johann Pratschke, Beate Rau
INTRODUCTION: In selected cases, cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) is an established treatment for patients suffering from peritoneal metastases from colorectal, ovarian, gastric or appendiceal origin. The effectiveness of this extensive has not been elucidated within other rare diseases by now. METHODS: We conducted a retrospective analysis of patients treated with CRS for peritoneal carcinomatosis during the period between July 2010 and September 2015...
October 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28818608/potential-resistance-mechanisms-revealed-by-targeted-sequencing-from-lung-adenocarcinoma-patients-with-primary-resistance-to-epidermal-growth-factor-receptor-egfr-tyrosine-kinase-inhibitors-tkis
#12
Jia Zhong, Lei Li, Zhijie Wang, Hua Bai, Fei Gai, Jianchun Duan, Jun Zhao, Minglei Zhuo, Yuyan Wang, Shuhang Wang, Wanchun Zang, Meina Wu, Tongtong An, Guanhua Rao, Guanshan Zhu, Jie Wang
INTRODUCTION: EGFR tyrosine kinase inhibitors (TKIs) have greatly improved the prognosis of lung adenocarcinoma. However, approximately 5% to 10% of patients with lung adenocarcinoma with EGFR sensitive mutations have primary resistance to EGFR TKI treatment. The underlying mechanism is unknown. METHODS: This study used next-generation sequencing to explore the mechanisms of primary resistance by analyzing 11 patients with primary resistance and 11 patients sensitive to EGFR TKIs...
December 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28760152/randomized-controlled-trial-of-s-1-maintenance-therapy-in-metastatic-esophagogastric-cancer-the-multinational-mateo-study
#13
Georg-Martin Haag, Gertraud Stocker, Julia Quidde, Dirk Jaeger, Florian Lordick
BACKGROUND: The optimal duration of firstline chemotherapy in metastatic esophagogastric cancer is unknown. In most clinical trials therapy was given until tumour progression or limiting toxicity. Maintenance concepts aiming to prolong the duration of response and maintain quality of life have been established in other tumour types but not in esophagogastric cancer. S-1 is an oral fluoropyrimidine with proven efficacy in metastatic esophagogastric cancer. METHODS: The Maintenance Teysuno® (S-1) in esophagogastric cancer (MATEO) trial is a multinational, randomized phase II study that explores the role of S-1 maintenance therapy in Her-2 negative, advanced esophagogastric adenocarcinoma...
July 31, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28730323/the-pathogenesis-diagnosis-and-management-of-metastatic-tumors-to-the-ovary-a-comprehensive-review
#14
REVIEW
Ondřej Kubeček, Jan Laco, Jiří Špaček, Jiří Petera, Jindřich Kopecký, Alena Kubečková, Stanislav Filip
Secondary tumors of the ovary account for 10-25% of all ovarian malignancies. The most common tumors that give rise to ovarian metastases include breast, colorectal, endometrial, stomach, and appendix cancer. The correct diagnosis of secondary ovarian tumors may be challenging as they are not infrequently misdiagnosed as primary ovarian cancer, particularly in the case of mucinous adenocarcinomas. The distinction from the latter is essential, as it requires different treatment. Immunohistochemistry plays an important role in distinguishing primary ovarian tumors from extra-ovarian metastases and, furthermore, may suggest the primary tumor site...
June 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28681213/hepatoid-adenocarcinoma-of-unknown-primary-masquerading-as-a-pancreatic-tumor
#15
Epameinondas Dogeas, Lan Peng, Michael A Choti
Hepatoid adenocarcinoma is a rare type of extrahepatic cancer characterized by hepatocellular carcinoma-like histology. We present a case of a large solitary mass in the peripancreatic region found to be an isolated lymph node metastasis from an unknown primary hepatoid adenocarcinoma masquerading as an acinar carcinoma of the pancreas.
December 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28680840/clinical-outcomes-in-patients-with-cancer-of-unknown-primary-site-treated-by-gastrointestinal-oncologists
#16
Sakiko Yamane, Chikatoshi Katada, Satoshi Tanabe, Mizutomo Azuma, Kenji Ishido, Takafumi Yano, Takuya Wada, Akinori Watanabe, Natsuko Kawanishi, Yasuaki Furue, Yuki Kondo, Shouko Komori, Hiromichi Ishiyama, Kazushige Hayakawa, Wasaburo Koizumi
OBJECTIVE: To evaluate the clinical outcomes in patients with cancer of an unknown primary site (CUP), who were treated by gastrointestinal oncologists. METHODS: We retrospectively studied 29 patients with CUP who were presented at the Department of Gastroenterology, Kitasato University Hospital from October 2005 to October 2013, and were treated by the gastrointestinal oncologists. The patients were divided into two groups, namely chemotherapy group and symptomatic therapy group, and the clinical characteristics and survival times were compared...
March 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28680718/prognostic-factor-analysis-of-overall-survival-in-gastric-cancer-from-two-phase-iii-studies-of-second-line-ramucirumab-regard-and-rainbow-using-pooled-patient-data
#17
Charles S Fuchs, Kei Muro, Jiri Tomasek, Eric Van Cutsem, Jae Yong Cho, Sang-Cheul Oh, Howard Safran, György Bodoky, Ian Chau, Yasuhiro Shimada, Salah-Eddin Al-Batran, Rodolfo Passalacqua, Atsushi Ohtsu, Michael Emig, David Ferry, Kumari Chandrawansa, Yanzhi Hsu, Andreas Sashegyi, Astra M Liepa, Hansjochen Wilke
PURPOSE: To identify baseline prognostic factors for survival in patients with disease progression, during or after chemotherapy for the treatment of advanced gastric or gastroesophageal junction (GEJ) cancer. MATERIALS AND METHODS: We pooled data from patients randomized between 2009 and 2012 in 2 phase III, global double-blind studies of ramucirumab for the treatment of advanced gastric or GEJ adenocarcinoma following disease progression on first-line platinum- and/or fluoropyrimidine-containing therapy (REGARD and RAINBOW)...
June 2017: Journal of Gastric Cancer
https://www.readbyqxmd.com/read/28498280/immunohistochemical-characterization-of-the-origins-of-metastatic-well-differentiated-neuroendocrine-tumors-to-the-liver
#18
Zhaohai Yang, David S Klimstra, Ralph H Hruban, Laura H Tang
Metastatic neoplasms of unknown primary site pose a major challenge to patient management. As targeted therapies are now being tailored to neuroendocrine tumors (NETs) of different primary sites, identifying the origin of metastatic NETs has become increasingly important. Compared with more extensive efforts on metastatic adenocarcinomas of unknown primary, the literature on metastatic NETs (often to the liver) is relatively sparse and most studies are based on primary tumors. We sought to study metastatic well-differentiated NETs to the liver to identify markers that predict the site of origin...
July 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28412093/non-small-cell-lung-cancer-as-a-second-primary-among-patients-with-previous-malignancy-who-is-at-risk
#19
Geena X Wu, Rebecca A Nelson, Jae Y Kim, Dan J Raz
BACKGROUND: Patients with previous malignancies could be at increased risk of non-small cell lung cancer (NSCLC). However, the extent of the risk is unknown for many cancer types; thus, it is unclear who might benefit from screening. MATERIALS AND METHODS: The Surveillance, Epidemiology, and End Results data set from 1992 to 2012 was used to identify patients with previous malignancies who received a diagnosis of NSCLC ≥ 6 months after their initial cancer diagnosis...
September 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28376920/molecular-clonality-analysis-of-esophageal-adenocarcinoma-by-multiregion-sequencing-of-tumor-samples
#20
Anna M J van Nistelrooij, Ronald van Marion, Linetta B Koppert, Katharina Biermann, Manon C W Spaander, Hugo W Tilanus, J Jan B van Lanschot, Bas P L Wijnhoven, Winand N M Dinjens
BACKGROUND: Intratumor heterogeneity has been demonstrated in several cancer types, following a model of branched evolution. It is unknown to which extent intratumor heterogeneity is applicable to esophageal adenocarcinoma. Therefore the aim of this study was to characterise intratumor heterogeneity in esophageal adenocarcinoma. METHODS: Multiregional targeted sequencing of four commonly altered genes was performed on 19 tumor regions collected from five esophageal adenocarcinomas...
April 4, 2017: BMC Research Notes
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