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G P Chuiko, O V Dvornik, S I Shyian, Ye A Baganov
BACKGROUND: A new computer model for systolic pulse waves within the cardiovascular system is presented. The emphasis was made on blood stroke volume (BS). The new waveform for pulse wave demands the re-computing of the BS. The authors showed the applicability of suggested model for arterial aging problem. METHODS: Suggested model is based on the well-known Korteweg-de Vries (KdV) equation. Instead of the common accepted solitary wave, the periodical cnoidal wave is used...
October 14, 2016: Computers in Biology and Medicine
Giulia R Mosele, Gianfilippo Caggiari, Roberto M Scarpa, Carlo Doria
BACKGROUND: Renal cell carcinoma (RCC) is among the 10 most common cancers in both men and women. It comprises 2-3% of all malignancies. The most common site for metastasis from RCC is the lung (50% of patients), followed by the skeleton (20% to 50% of patients). METHODS: We retrospectively reviewed our consecutive series of 63 patients surgically treated for spinal metastases from RCC. The surgical treatment for spinal metastases varied in each patient. Factors influencing the choice of surgery included age, disease status, symptoms, morbidity of the patient, the location, the number of repetitive lesions and the existence of extra-osseous metastases...
October 21, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
Nitin R Gaikwad, Sudhir J Gupta, Amol R Samarth, Tushar H Sankalecha
Synchronous appearance of the primary gastrointestinal malignancies is rare. Coexistence of primary pancreatic and hepatocellular carcinoma as synchronous malignancy is even rarer. We report a case of such combination in a 50 year old female who presented with bleeding per rectum and while evaluating we found simultaneous appearance of primary malignancies of pancreas, liver and solitary colonic metastasis from the pancreas in the background of chronic calcific pancreatitis. To the best of our knowledge this combination of synchronous pancreatic and hepatocellular carcinoma and colonic metastasis from the pancreas is unique...
October 2016: Journal of the Association of Physicians of India
Michael E Ivan, Roberto Jose Diaz, Michael H Berger, Gregory W Basil, David A Osiason, Thomas Plate, Amanda Wallo, Ricardo J Komotar
BACKGROUND AND OBJECTIVE: Magnetic resonance-guided laser-induced thermotherapy (MR-LITT) is a minimally invasive technique that shows promise in neuro-oncology due to its superiority in delivering precise minimally invasive thermal energy with minimal collateral damage. In this analysis we investigate initial data on MR-LITT's effect on dural based lesions. METHODS: Five patients were identified with dural based lesions (4 meningiomas, 1 solitary fibrous tumor) with clear evidence of radiological progression...
October 17, 2016: World Neurosurgery
Jingeng Liu, Zhiru Wei, Yuebin Wang, Zongjiang Xia, Gaofeng Zhao
BACKGROUND: Liver metastasis is common in patients with oesophageal cancer. The effect of operative intervention for post-operative solitary liver metastasis from oesophageal squamous cell carcinoma (ESCC) has not previously been examined. This research was to compare the effect of surgery and non-surgical therapy in patients with post-operative solitary liver metastasis from ESCC. METHODS: We retrospectively analysed the clinical data of 69 consecutive patients with solitary hepatic metastasis who had undergone oesophagectomy for ESCC and were subsequently referred to the First Affiliated Hospital of Zhengzhou University from January 2005 to December 2013...
October 20, 2016: ANZ Journal of Surgery
Chi-Fai Ng, Sylvia Luke, Chi-Hang Yee, Winnie Chu, Ka-Tak Wong, John Yuen
Objectives To perform a prospective study to evaluate the renal protective effects of ramping protocol and pause protocol for extracorporeal shockwave lithotripsy in human subjects. Patients and Methods 320 patients with solitary renal stone <15mm, were randomized to receive one of four protocols: (1) 80% power from beginning until the end of treatment; (2) the first 100 SWs at 40% power, and then 80% power until the end of treatment; (3) the first 100 shocks at 40% power, followed by a 3-minute pause and then further SWs at 80% power until the end of treatment; and (4) the first 100 shocks at 80% power, followed by a 3-minute pause and then further SWs at 80% power until the end of treatment...
October 20, 2016: Journal of Endourology
Ailbhe C O'Neill, Sree Harsha Tirumani, Woo S Do, Abhishek R Keraliya, Jason L Hornick, Atul B Shinagare, Nikhil H Ramaiya
OBJECTIVE: The objective of our study was to evaluate the metastatic patterns and imaging features of solitary fibrous tumors (SFTs). MATERIALS AND METHODS: This retrospective study included 139 patients with pathologically proven SFT, 49 of whom developed metastases. Electronic medical records and all available images were reviewed to record the pattern and imaging appearances of metastatic disease, and comparisons of thoracic SFTs and extrathoracic SFTs were also performed...
October 20, 2016: AJR. American Journal of Roentgenology
Darren Yap, Hannah Fox, Julia Addams-Williams
Neurofibroma is a slow growing benign tumour of the peripheral nerve sheath which is frequently associated with neurofibromatosis type 1 (Prakash et al., 2014). Isolated solitary occurrence of neurofibroma in the maxillary sinus is rare with only 29 reported cases in the literature. We present a rare case of a 70-year-old gentleman who was referred to ENT with a right maxillary sinus neurofibroma with extension into the right inferior orbit. He has significant proptosis, ptosis, and limitation in abduction of the right eye...
2016: Case Reports in Pathology
Yukio Maezawa, Tsutomu Sato, Kazuki Kano, Kenki Segami, Tetsushi Nakajima, Taiichi Kawabe, Junya Shirai, Hiroto Fujikawa, Toru Aoyama, Tsutomu Hayashi, Kousuke Ikeda, Takanobu Yamada, Satoshi Tsuchida, Naoto Yamamoto, Takashi Ohshima, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Haruhiko Cho, Takaki Yoshikawa
A30 -year-old woman underwent total gastrectomy with D2 lymph node dissection after being diagnosed with clinical T3, N2, M0, Stage III B gastric cancer. The postoperative pathological findings revealed a T3(SE), N2, M0, Stage III B tumor. Headache, dizziness, and vomiting occurred during chemotherapy for peritoneal recurrence, using weekly paclitaxel on days 1, 8, and 15. Head CT showed a solitary tumor with a diameter of 28mm in the cerebellum, as well as cerebellar swelling and hydrocephalus. She underwent an emergency craniotomy and tumor enucleation...
October 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Nobutoshi Horii, Daisuke Morioka, Kazuya Yamaguchi, Yoshiki Sato
A 64-year-old woman was diagnosed with advanced gastric cancer with solitary liver metastasis. Although the HER2 status of the tumor was IHC2+, no further examination for HER2 status using FISH was performed. Four courses of S-1 and cisplatin chemotherapy were administered. The primary lesion and metastatic lesion were confirmed to have partially regressed. After 4 courses of chemotherapy, an open total gastrectomy, D2 dissection, pancreatosplenectomy, and posterior segmental hepatectomy were performed. Her postoperative course was uneventful...
October 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
J L Hu, W Y Huang, X Xu
No abstract text is available yet for this article.
October 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
X Chen, F X Dou, X B Cheng, A T Guo, H Y Shi
Objective: To study the clinicopathologic features of thyroid-like follicular renal cell carcinoma. Methods: Clinical data were collected in 5 cases of thyroid-like follicular renal cell carcinoma. HE staining and immunohistochemistry were carried out in surgically-removed specimen to analyze the clinical and pathological features with review of the literatures. Results: The patients aged 20-55 years, with one male and four females; the tumor occurred in the left kidney in three cases and right kidney in two cases...
October 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
Wei Yu, Bo Ye, Liyun Xu, Zhaoyu Wang, Hanbo Le, Shanjun Wang, Hanbo Cao, Zhenda Chai, Zhijun Chen, Qingquan Luo, Yongkui Zhang
BACKGROUND: The solitary pulmonary nodule (SPN) is a common and challenging clinical problem, especially solid SPN. The object of this study was to explore the predictive factors of SPN appearing as pure solid with malignance and to establish a clinical prediction model of solid SPNs. METHODS: We had a retrospective review of 317 solid SPNs (group A) having a final diagnosis in the department of thoracic surgery, Shanghai Chest Hospital from January 2015 to December 2015, and analyzed their clinical data and computed tomography (CT) images, including age, gender, smoking history, family history of cancer, previous cancer history, diameter of nodule, nodule location (upper lobe or non-upper lobe, left or right), clear border, smooth margin, lobulation, spiculation, vascular convergence, pleural retraction sign, air bronchogram sign, vocule sign, cavity and calcification...
October 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
Aharon M Feldman, Ziying Zhang, Thomas Buekers, Mohamed A Elshaikh
In contrast to multiple myeloma (MM) which exhibits diffuse bone marrow and other organ involvement, solitary plasmacytomas carry a favourable prognosis. Extramedullary plasmacytomas (EMP) are a unique form of plasma cell neoplasms. These tumours are rare in the female reproductive tract. Only 24 cases of gynaecologic plasmacytomas were reported to date (7 cases were solitary plasmacytomas and 17 cases were either part of disseminated MM with involvement of a gynaecologic organ or were lacking complete work-up to rule out MM)...
October 19, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
Zhi-Gang Chu, Bo Sheng, Meng-Qi Liu, Fa-Jin Lv, Qi Li, Yu Ouyang
OBJECTIVES: To clarify differences between solitary pulmonary inflammatory lesions and peripheral lung cancers with contrast-enhanced computed tomography. METHODS: In total, 64 and 132 patients with solitary pulmonary inflammatory masses/nodules and peripheral lung cancers, respectively, were enrolled in this study. Their computed tomographic findings were summarized and compared retrospectively. RESULTS: Compared with the peripheral lung cancers, the inflammatory lesions were located closer to the pleura (p<0...
October 1, 2016: Clinics
Fernando Abad-Franch
Current working classifications of Chagas disease vectors rely on a loose mix-up of biological and operational matters. They are therefore confusing and ineffective. I propose a very simple classification that makes biological sense and can be operationally useful. It considers a four-level hierarchy of species (which can be native or non-native); populations (either wild or non-wild); infestation foci (natural, domestic or peridomestic); and individual bugs (which can be solitary house-invaders or part of a hidden infestation focus)...
October 2016: Memórias do Instituto Oswaldo Cruz
Mengjing Wang, Jason Chou, Yongen Chang, Wei L Lau, Uttam Reddy, Connie M Rhee, Jing Chen, Chuanming Hao, Kamyar Kalantar-Zadeh
In the management of patients with chronic kidney diseases (CKD), a low-protein diet usually refers to a diet with protein intake of 0.6 to 0.8 grams per kilogram of body weight per day (g/kg/day) and should include at least 50% high-biologic-value protein. It may be supplemented with essential acids or nitrogen- free ketoanalogues if <0.6 g/kg/d. Low-protein diet can reduce proteinuria especially in non-diabetic CKD patients. In hypoalbuminemic patients it may lead to an increase in serum albumin level...
October 19, 2016: Panminerva Medica
Chao Ji, Yue Zhang, Patricia Heller, Ying Guo
Melanocytic matrical carcinoma is a very uncommon malignant neoplasm with follicular differentiation. The lesion often presents as a solitary nodule on sun-exposed skin of elderly patients. Histopathologically, it is characterized by proliferation of atypical matrical cells admixed with an increased number of melanocytes, and some atypical matrical cells may have cytoplasmic pigment. When melanocytic proliferation or melanin pigment is prominent, melanocytic metrical carcinoma can mimic melanoma. Here, we present a novel case of melanocytic matrical carcinoma mimicking melanoma in an 80-year-old man with our findings in histopathologic and immunohistochemical study...
October 18, 2016: American Journal of Dermatopathology
Irena E Belousova, Alexey V Samtsov, Dmitry V Kazakov
Unilesional (solitary) mycosis fungoides (MF) is a rare variant characterized clinically by the presence of a single contiguous area of skin involvement covering less than 5% of the body surface and histopathologically by features identical to those seen in classical MF. Angiocentricity (angiodestruction) is mostly a feature of primary or secondary cutaneous lymphomas with an aggressive course and poor outcome, with only very few reports of MF with angiocentric pattern. The authors report an unusual case of solitary patch-stage MF with hemorrhagic features, characterized histologically by epidermotropic and angiocentric (angiodestructive) infiltrate and a reactive B-cell component appearing as lymphoid follicles...
October 18, 2016: American Journal of Dermatopathology
Yasuhiro Nakamura, Takashi Fujino, Koji Nagata, Taichi Imamura, Yukiko Teramoto, Yuri Asami, Eiichi Arai, Akifumi Yamamoto
Granular cell tumors are uncommon neoplasms and a small number of these neoplasms have been reported as showing malignant behavior. Here, we report a rare case of a solitary granular cell tumor that exhibited atypical histology, including an extensive desmoplastic stroma, in a 69-year-old woman. The surgical specimen revealed localized areas of spindling cells, areas of cellular pleomorphism, and p53 overexpression. Based on previously published criteria, we classified this lesion as an atypical granular cell tumor...
October 12, 2016: American Journal of Dermatopathology
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