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https://www.readbyqxmd.com/read/29145295/extrarenal-teratoma-with-nephroblastoma-in-the-retroperitoneum-case-report-and-literature-review
#1
Yanan Li, Chuanfen Lei, Bo Xiang, Fuyu Li, Chuan Wang, Qi Wang, Siyuan Chen, Yi Ji
RATIONALE: Teratoma with nephroblastoma is a rare disease. The most common site at which teratoma with nephroblastoma occurs is the kidney. The mechanisms underlying the development of teratoma with nephroblastoma have not been fully elucidated. PATIENT CONCERNS: In the current report, we describe the clinical characteristics of a 3-year-old girl with a complaint of a painless abdominal mass in the upper right side of the body. Ultrasonography and computed tomography revealed a cystic-solid mass with a clear boundary...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29138700/retroperitoneal-solitary-fibrous-tumor-a-patternless-tumor
#2
D Myoteri, D Dellaportas, C Nastos, I Gioti, G Gkiokas, E Carvounis, T Theodosopoulos
Introduction: Solitary fibrous tumor is a rare type of mesenchymal, spindle-cell tumor reported mostly in the pleura. Retroperitoneal occurrence is rare and histopathological diagnosis is challenging. Case Presentation: A 55-year-old woman with nonspecific abdominal pain was found to have a retroperitoneal/pelvic mass adjacent to the upper rectum. The patient underwent surgical resection in clear margins of this pelvic tumor, entering the total mesenteric excision surgical plane...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29136604/extragenital-malignant-mixed-mesodermal-tumor-a-case-report
#3
Mauro Del Papa, Gabriele D'Amata, Fulvio Manzi, Luca Musmeci, Marco Crovaro, Carlo Buonocore, Gaetano Florio, Andrea Giannetti
INTRODUCTION: Primary malignant mixed mesodermal tumor (MMMt, also called malignant mixed Mullerian tumor and designated in the WHO classification of female genital tract neoplasms as carcinosarcoma) is an infrequent tumor that develops usually in the uterus and more rarely in the ovary. Extragenital tumor, including primary peritoneal MMMt, is an extremely rare and aggressive neoplasm with only few case reported in the literature. PRESENTATION OF CASE: We report a case of a 70-year's old female who presented with nausea and abdominal discomfort for 6 months...
November 9, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29127751/-the-benefit-of-new-angiogenesis-bevacizumab-and-aflibercept-inhibitors-for-multiple-angiomatosis-therapy-a%C3%A2-case-report
#4
Dagmar Brančíková, Lenka Ostřížková, Zdeněk Adam, Tomáš Nebeský, Luděk Pour, Zdeněk Král, Jiří Mayer
Angiomatosis is a term for multiple, gradually proliferating hemangiomas (angiodysplasia), affecting multiple organs or tissues at the same time. We describe a 12-year course of treatment of a patient with multiple hemangiomas located in the abdomen, retroperitoneum, oesophagus, mediastinum and also in vertebrae. The diagnosis was made in 2005 within probatory laparotomy, at the age of 28 years. The treatment was commenced right after making the diagnosis with interferon α. Due to its adverse effects (fatigue, anorexia), the use of interferon α was limited to the first year, after which the interferon dose was gradually being reduced until it was discontinued completely...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29108682/postchemotherapy-lymph-node-dissection-for-isolated-retroperitoneal-nodal-recurrences-for-penile-cancer-is-cure-possible-in-highly-selected-cases
#5
Dominic H Tang, Juan Chipollini, Philippe E Spiess
Outcomes for advanced penile carcinoma remain poor with limited options for curative treatment. Nodal recurrences represent worse prognosis and are typically treated with a combination of radiation, chemotherapy, or consolidative resection. Although the ideal management for recurrences remains unknown, there is some evidence supporting the role of chemotherapy followed by consolidative resection. Using a multimodal strategy, we describe the curative potential of postchemotherapy retroperitoneal lymph node dissection for penile cancer patients with isolated locoregional recurrences in the retroperitoneum...
August 18, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29107130/robotic-left-sided-level-ii-caval-thrombectomy-and-nephrectomy-using-a-novel-supine-single-dock-approach-primary-description
#6
Monty A Aghazadeh, Alvin C Goh
OBJECTIVES: To demonstrate a novel supine, single-dock approach for robotic nephrectomy and Inferior Vena Cava (IVC) thrombectomy for a left-sided renal cell carcinoma (RCC) with Level II IVC thrombus. METHODS: We perform robotic nephrectomy and IVC thrombectomy in a 79 year-old male with a 6cm left renal mass and level II IVC thrombus. For this approach, the patient is placed in steep Trendelenburg, and a 6-port transperitoneal technique is used, with the robot docked such that the arms are oriented in a cephalad direction...
October 26, 2017: Urology
https://www.readbyqxmd.com/read/29094323/enormous-postoperative-perforation-after-endoscopic-submucosal-dissection-for-duodenal-cancer-successfully-treated-with-filling-and-shielding-by-polyglycolic-acid-sheets-with-fibrin-glue-and-computed-tomography-guided-abscess-puncture
#7
Yoshiko Ohara, Kengo Takimoto, Takashi Toyonaga, Tomohiro Yamaguchi, Hiroya Sakaguchi, Fumiaki Kawara, Shinwa Tanaka, Tsukasa Ishida, Yoshinori Morita, Eiji Umegaki
A female in her 70s underwent esophagogastroduodenoscopy (EGD) for screening, and a 0-IIa lesion measuring approximately 15 mm was detected in the descending portion of the duodenum. Due to the malignant potency of the lesion, endoscopic submucosal dissection (ESD) was performed. Microperforation occurred during ESD. The lesion was removed en bloc and the post-ESD ulcer bed was closed with clips. The next day, the patient had abdominal pain and computed tomography (CT) revealed a small amount of free air in the retroperitoneal space...
November 1, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29090118/the-risks-of-renal-angiomyolipoma-reviewing-the-evidence
#8
REVIEW
Raouf M Seyam, Waleed K Alkhudair, Said A Kattan, Mohamed F Alotaibi, Hassan M Alzahrani, Waleed M Altaweel
Renal angiomyolipoma (RAML), though a rare benign tumor, may impose a significant morbidity or even mortality due to its unique characteristics and the complications subsequent to its treatment. The classic tumor variant is composed of smooth muscular, vascular, and fatty components. The most straightforward diagnosis is when the fat component is abundant and gives a characteristic appearance on different imaging studies. In fat-poor lesions, however, the diagnosis is difficult and presumed a renal cell carcinoma...
2017: Journal of Kidney Cancer and VHL
https://www.readbyqxmd.com/read/29075964/strategy-of-laparoscopic-surgery-for-colon-cancer-of-the-splenic-flexure-a-novel-approach
#9
Naoki Matsumura, Hiromi Tokumura, Fumito Saijo, Yu Katayose
BACKGROUND: The splenic flexure (SF) anatomy is complex due to multiple vessels, surrounding organs, layers, and irregular adhesions [1-3]. METHODS: Our laparoscopic approach involves a lateral-to-medial approach to the left-sided transverse mesocolon (TM), a medial-to-lateral approach to the left mesocolon (LM), and take-down of the remnant SF. First, the omental bursa is opened and its posterior wall and the anterior layer of the TM are dissected along the pancreas, where a gauze is placed...
October 26, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29064554/the-comparative-anatomy-of-the-folds-fossas-and-adhesions-around-the-duodenojejunal-flexure-in-mammals
#10
Masaharu Ishida, Naoaki Sakata, Ichiro Ise, Tomoyuki Ono, Mitsuhiro Shimura, Kentaro Ishii, Megumi Murakami, Tatsuyuki Takadate, Takeshi Aoki, Katsuyoshi Kudo, Shinobu Ohnuma, Koji Fukase, Hideo Ohtsuka, Masamichi Mizuma, Hiroki Hayashi, Kei Nakagawa, Takanori Morikawa, Fuyuhiko Motoi, Takeshi Naitoh, Michiaki Unno
BACKGROUND: Anatomical knowledge of the duodenojejunal flexure is necessary for abdominal surgeries, and also important for physiologic studies about the duodenum. But little is known about the anatomy of this region in mammals. AIM: Here, we examined comparative anatomy to understand the anatomical formation of the duodenojejunal flexure in mammals. MATERIALS AND METHODS: The areas around the duonenojejunal flexure were observed in mouse, rat, dog, pig, and human, and the anatomical structures around the duodenojejunal junction in the animals were compared with those in human...
October 24, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29063771/-hamartoma-of-the-abdominal-cavity-and-retroperitoneum-a-review-and-a-case-report
#11
A Paclík, P Dytrych, D Hoskovec, R Jakša, Z Krška
METHODS: We have reviewed recent as well as older literature with the intention of compiling a summary report on hamartomas of the abdominal cavity and retroperitoneum. INTRODUCTION: Hamartoma of the abdominal cavity and retroperitoneum is a rare condition which has received relatively little attention. RESULTS: The most commonly affected organs are the liver, spleen, digestive tract, pancreas and kidneys. By its nature, hamartoma is a benign lesion with a good prognosis...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/29060959/intrahepatic-pancreatic-pseudocyst-complicated-by-pancreatitis-a-case-report
#12
Hee Joon Kim, Chung Hwan Jun, Chang Hwan Park, Chol Kyoon Cho
Pancreatic pseudocyst is a common complication of acute pancreatitis. Pseudocysts are commonly observed in the lesser sac and retroperitoneum; they are rarely seen in the liver. Herein, we report a case of intrahepatic pseudocyst, complicated by asymptomatic groove pancreatitis, that has successfully been treated with hepatic resection. A 70-year-old woman was referred to our hospital with severe upper abdominal pain. Abdominal computed tomography scan showed 11x10 cm sized cystic lesion in the left lateral section of the liver...
October 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29046074/large-cystic-lympangioma-of-the-pancreas-a-case-reportum
#13
S N Jayappa, P Rao, A S Tandon, Kgs Bharathy, S S Sikora
Lymphangioma of the pancreas is rare and presents as a large cystic mass in the retroperitoneum. The pancreatic origin can be confirmed by careful evaluation of cross sectional imaging. Preoperative differentiation from other pancreatic cystic neoplasms is difficult but possible. Large symptomatic lesions warrant surgery. The diagnosis is confirmed by typical features on histopathology and immunohistochemistry. Presented here is a case report of a pancreatic lymphangioma, discussed in the context of available literature...
October 19, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29039030/size-and-location-are-the-most-important-risk-factors-for-malignant-behavior-in-resected-solitary-fibrous-tumors
#14
Sepideh Gholami, Michael R Cassidy, Amanda Kirane, Deborah Kuk, Bhumika Zanchelli, Christina R Antonescu, Samuel Singer, Murray Brennan
PURPOSE: While previously thought to be clinically indolent, recent data suggest significant late metastatic capacity of solitary fibrous tumors (SFTs). We define prognostic factors for recurrence and disease-specific death (DSD) in resected primary SFTs. METHODS: Resected primary SFTs from 1982 to 2015 were identified from a prospective, single institutional database. Risk factors for local (LR) and distant recurrence (DR), and DSD were assessed using competing risk analysis...
October 16, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29031176/a-case-of-dedifferentiated-liposarcoma-of-the-heart-and-stomach
#15
Yoichi Hisata, Yuichi Tasaki, Satoshi Kozaki, Takafumi Yamada
INTRODUCTION: Liposarcoma of the heart and stomach is rare. PRESENTAION OF CASE: We report a case of liposarcoma in both organs with dedifferentiated histology. A patient was referred to our hospital with anorexia and weight loss. Upper gastrointestinal tract endoscopy revealed 5-10-mm elevated lesions, and echocardiography and computed tomography showed tumorous lesions in the left atrium. Tumor resection and mitral valve replacement were performed, and biopsy was performed for the gastric tumor...
October 6, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29029632/fatal-haemorrhage-and-neoplastic-thrombosis-in-a-captive-african-lion-panthera-leo-with-metastatic-testicular-sex-cord-stromal-tumour
#16
Omar Antonio Gonzales-Viera, Angélica María Sánchez-Sarmiento, Natália Coelho Couto de Azevedo Fernandes, Juliana Mariotti Guerra, Rodrigo Albergaria Ressio, José Luiz Catão-Dias
BACKGROUND: The study of neoplasia in wildlife species contributes to the understanding of cancer biology, management practices, and comparative pathology. Higher frequencies of neoplasms among captive non-domestic felids have been reported most commonly in aging individuals. However, testicular tumours have rarely been reported. This report describes a metastatic testicular sex cord-stromal tumour leading to fatal haemorrhage and thrombosis in a captive African lion (Panthera leo). CASE PRESENTATION: During necropsy of a 16-year-old male African lion, the left testicle and spermatic cord were found to be intra-abdominal (cryptorchid), semi-hard and grossly enlarged with multiple pale-yellow masses...
October 13, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29021924/large-unilateral-adrenal-mass-with-surrounding-brown-fat-a-case-report
#17
Gabriel O Ologun, Zinal M Patel, Navpreet K Rana, Andrew Trecartin, Alice Shen, Douglas Trostle, David Bertsch
Pheochromocytomas are rare tumors derived from chromaffin cells located in the adrenal and extra adrenal tissues. Pheochromocytomas are diagnosed biochemically and localized using different imaging modalities. The definitive management is surgical resection. Brown adipose tissues are normally present during fetal development, with regression over time. Brown adipose tissues are thermogenic and usually located in the neck, mediastinum, and retroperitoneum. Here, we report a case of a unilateral pheochromocytoma surrounded by brown fat...
August 9, 2017: Curēus
https://www.readbyqxmd.com/read/29021446/nephrotic-syndrome-and-a-retroperitoneal-mass-a-case-report-of-a-patient-with-recurrent-invasive-thymoma
#18
Hiroaki Myoga, Tetsu Akimoto, Naoko Mato, Takakiyo Nakaya, Takuya Murakami, Hiromichi Yoshizawa, Saki Nakagawa, Atsushi Miki, Takahiro Masuda, Takahisa Kobayashi, Yuko Ono, Osamu Saito, Yoshihiko Ueda, Shigeaki Muto, Daisuke Nagata
A 68-year-old man was admitted to our hospital to undergo an examination for nephrotic syndrome while concurrently complicated with recurrent thymoma in the parietal pleura and retroperitoneum. He had been diagnosed with invasive thymoma and had undergone thymo-thymectomy seven years previously. Based on the renal biopsy findings, his nephrotic syndrome was ascribed to minimal change disease. He was treated with corticosteroid monotherapy, which resulted in complete remission six months later, despite the fact that the recurrent thymoma remained...
October 11, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28950740/dedifferentiated-liposarcoma-mimicking-a-primary-colon-mass
#19
Blake Hollowoa, Laura W Lamps, Jason S Mizell, George W English, Julia A Bridge, Roopa Ram, Jerad M Gardner
Dedifferentiated liposarcoma is typically a nonlipogenic high-grade sarcoma that arises from well-differentiated liposarcoma. It most commonly presents as a large mass in the retroperitoneum. Significant involvement of the gastrointestinal tract by dedifferentiated liposarcoma is uncommon. We present a unique case of dedifferentiated liposarcoma radiographically mimicking a primary colon mass with resulting intussusception; stranding of the adjacent adipose tissue was presumed to be a secondary reactive change...
September 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28944342/a-rare-case-retrocecal-appendicitis-adherent-to-the-liver-capsule
#20
Hasan Börekçi, Sinan Karacabey, Mesut Sipahi, Zeynep Tuğba Özdemir, Mustafa Fatih Erkoç
The cases of appendicitis take an important place in the hospital emergency departments and it must be kept in mind in the differential diagnosis of patients presenting with abdominal pain. Related to cecum, the appendix can be found in many different positions; however, it is mostly observed descending intraperitoneally (31-74%) and at the retrocecal region (26-65%). In this case report, we present the case of a 26-year-old female patient admitted to the emergency room with a colic pain in the right upper quadrant for about 2 days...
2017: Turk J Surg
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