This article describes a series of standard operating procedures for morphological phenotyping of the mouse brain using basic histology
A vascular tissue neoplasm is a tumor arising from endothelial cells, the cells that line the wall of blood vessels and lymphatic vessels, as well as the heart. Vascular tissue neoplasms is a group containing tumors with the same tissue origin; in other words, it denotes histological classification, rather than anatomic (i.e. where in the body the neoplasm is found) or clinical one. They can occur everywhere in the body where vessels are to be found. Vascular tissue neoplasms, like neoplasms of all tissues, are classified to benign and malignant ones, according to their biological behavior. Hemangioma Lymphangioma Most malignant vascular tumors are considered sarcomas, a major histological group of tumors, arising from transformed cells of mesenchymal origin. Hemangiosarcoma Hemangiopericytoma Kaposis Sarcoma Hemangioblastoma Lymphangiosarcoma Wen, Victoria W.; MacKenzie, Karen L. (September 2013). "Modeling human endothelial cell transformation in vascular neoplasias". Disease Models & ...
Some children are born with absence or underdeveloped bones in the lower limbs e.g., congenital hemimelia. Others have a condition called hemihypertrophy that causes one side of the body to grow faster than the other. Sometimes, increased blood flow to one limb (as in a hemangioma or blood vessel tumor) stimulates growth to the limb. In other cases, injury or infection involving the epiphyseal plate (growth plate) of the femur or tibia inhibits or stops altogether the growth of the bone. Fractures healing in an overlapped position, even if the epiphyseal plate is not involved, can also cause limb length discrepancy. Neuromuscular problems like polio can also cause profound discrepancies, but thankfully, uncommon. Lastly, Wilms? tumor of the kidney in a child can cause hypertrophy of the lower limb on the same side. It is therefore important in a young child with hemihypertrophy to have an abdominal ultrasound exam done to rule out Wilms? tumor. It is important to distinguish true leg length ...
The quality of evidence regarding childhood vascular tumors is limited by retrospective data collection, small sample size, cohort selection and participation bias, and heterogeneity of the disorders. Vascular anomalies are a spectrum of rare diseases classified as vascular tumors or malformations. An updated...
Exposure Routes - Short clear snapshots of Toxic Chemical Exposure Routes into our bodies and environment. Strategies on how to avoid them.
The groups are divided into conventional (GSM) and advanced (GSM) + (wifi download) groups. statistically significant change in the tubular diameters was observed after advanced cellular radiations whereas conventional cellular radiations decreased the epithelial height significantly.. the changes induced by electromagnetic radiations from the advanced mobile phones affected the tubular diameters more by decreasing them while conventional decreased the epithelial height of the proximal tubule cells.. ...
Lindsey has unfortunately had heaps of routes retrobolted. I recall leading Pork Orgy, 21, when it was run out and scary with only 2 carrots and it was quite memorable. Now it has expansions every few metres and is just another average sports route. It was always easily topropeable (even without the new anchors). Several other filler routes have been done which are pretty average and other routes retrobolted into submission. Fortunately the 2 trad cracks, Mistaken and Misled have been left alone and though Id done them before are by far the most memorable and best routes at the crag (though the 22 arete between them is still old school and memorable with its old bolts- long live this route in its current state!) I wonder whether Ian Brown has ever been contacted about this situation ...
Metadata access is handled by the network node, and the cloud-init service uses the metadata at startup time. Previously, the cloud-init service did not have the "NOZEROCONF=yes" stanza configured. Consequently, access to the subnet 169.254.0.0/16 range was not routed to the network node, so the cloud-init service failed to work. This update adds "NOZEROCONF=yes" to cloud images in the /etc/sysconfig/network file. Users should avoid turning on the zeroconf route in these images. To disable the zeroconf route at system boot time, edit the /etc/sysconfig/network file as root and add "NOZEROCONF=yes" to a new line at the end of the file ...
Im not a pro... with no support vehicle following me, without a spare TT bike or loads of extras... Im just a normal guy that races CAT 1/2/3 TTs and Id say that I prefer to do course recons as close to race conditions as I could get. if doing a new course, Id like to ride the route at least 3 times, usually on race equipment. The first lap of recon would be pretty slow, usually inspecting pavement, potholes, sand/gravel in corners, etc. The second lap of recon would be a little faster... paying a little more attention to equipment.. what gear I need to be in for certain corners or what I can push on certain climbs at max effort, so that I can adjust gear ratios if I need to. The third lap would be pretty close to a race effort to really have an idea about race speeds and how things will handle at speed..... thats my prep and Im nothing special. Id assume at the world tour level, they will be on race equipment... why not? They have a vehicle following them. They have spares. I know that ...
Im not a pro... with no support vehicle following me, without a spare TT bike or loads of extras... Im just a normal guy that races CAT 1/2/3 TTs and Id say that I prefer to do course recons as close to race conditions as I could get. if doing a new course, Id like to ride the route at least 3 times, usually on race equipment. The first lap of recon would be pretty slow, usually inspecting pavement, potholes, sand/gravel in corners, etc. The second lap of recon would be a little faster... paying a little more attention to equipment.. what gear I need to be in for certain corners or what I can push on certain climbs at max effort, so that I can adjust gear ratios if I need to. The third lap would be pretty close to a race effort to really have an idea about race speeds and how things will handle at speed..... thats my prep and Im nothing special. Id assume at the world tour level, they will be on race equipment... why not? They have a vehicle following them. They have spares. I know that ...
Start 12/18/2017 2:28:58 PM - After Cache Test 12/18/2017 2:28:58 PM - Fullrun 12/18/2017 2:28:59 PM - End Part 1 12/18/2017 2:28:59 ...
Hemangioendothelioma is a rare group of mesenchymal vascular neoplasms. Hemangioendotheliomas commonly present with an enlarging mass and have been reported in the head, neck, lungs, lymph nodes, pleura, retroperitoneum, or stomach. Hemangioendotheliomas may be benign or malignant and tend to occur around medium to large venous structures. Hemangioendothelioma may be classified into 4 groups: epitheloid hemangioendothelioma (most common), kaposiform hemangioendothelioma, retiform hemangioendothelioma, and infantile hemangioendothelioma. The prevalence of hemangioendothelioma is approximately 1 per 100,000 individuals worldwide. The majority of patients with hemangioendothelioma are symptomatic at the time of diagnosis.[1] Early clinical features of hemangioendothelioma are often unspecific and may include abdominal pain, mass, weight loss, or fatigue. On CT, characteristic findings of hepatic hemangioendothelioma may include multiple hypo-attenuating lesions in both hepatic lobes which coalesce ...
TY - JOUR. T1 - Abdominal Lymphangiomas in Adults. AU - Allen, J. Geoff. AU - Riall, Taylor Sohn. AU - Cameron, John L.. AU - Askin, Frederic B.. AU - Hruban, Ralph H.. AU - Campbell, Kurt A.. PY - 2006/5. Y1 - 2006/5. N2 - Abdominal lymphangiomas are rare benign cystic tumors that can become locally invasive and often require resection. They arise in all ages and have a variable presentation. We performed a retrospective review of a single institution surgical experience with this lesion in adults. The pathology prospective database was reviewed to identify patients with surgically resected abdominal lymphangiomas from January 1986 to May 2004. Retrospective review and follow-up was performed for each patient. The six patients with abdominal lymphangiomas ranged in age from 38 to 66 years. They presented with a variety of signs and symptoms. All underwent CT scan that demonstrated a cystic lesion, but in only one third was the diagnosis made preoperatively. Tumors were located in the ...
This article discusses the radiologic and clinical features of nonvascular mediastinal trauma, and focuses on the tracheobronchial tree, the esophagus, and the thoracic duct. Blunt chest and penetrating trauma account for most of the causes of such nonvascular injuries, but iatrogenic and inhalation …
If you have a question about this talk, please contact Diana Fusco.. Understanding how vascular networks deliver nutrients and chemotherapy to solid tumours, how these networks evolve and how they may be manipulated to improve patient outcomes remain a major focus of cancer research. Such knowledge is important accurately to predict a tumours response to radiotherapy and for establishing whether a particular patients response can be enhanced by treatment with vascular targeting agents. Mathematical and computational models have the potential to provide valuable insight into the biophysical mechanisms that regulate tumour blood flow, transport and vascular remodelling, and a variety of models have been proposed. In this talk, I will explain how integrating data from in vitro and in vivo experiments within multiscale computational models can be used: (i) to propose new mechanisms for tumour hypoxia, and (ii) to characterise the morphology of vascular networks.. This talk is part of the ...
The Corellian Trade Spine was a major trade route. It began at Corellia and headed towards the edge of the galaxy, in the direction of Duro. It passed Devaron and Bestine IV before intersecting the Rimma Trade Route at YagDhul. As it continued it passed through the Greater Javin region of space...
The Corellian Trade Spine was a major trade route. It began at Corellia and headed towards the edge of the galaxy, in the direction of Duro. It passed Devaron and Bestine IV before intersecting the Rimma Trade Route at YagDhul. As it continued it passed through the Greater Javin region of space...
What is the easiest way to get to these problem? Is there anyway to safely set-up a toprope? I climb Trad but am trying to explore they rarely used routes at Stover. I cant anywhere near onsight 12a and was told they bolts were spaced pretty far apart and that it is impossible to set a toprope off. If anyone has any info send me a message ...
I began to climb one month ago, one time once a week. I didnt have any experience climbing before that, which means Im still a beginner. Since I had early finger training from piano, I am able to climb 5.9-5.10 routes at my local gym. One thing which I find to be abnormal is that after my session (about two hours), I do not feel pain in my arms, but my arms stay very tight for the next week. As an example, I went climbing five days ago from today, but the tightness in my arms is still very present; I feel it when training for pull-ups and the like. Is that supposed to happen? I cant make it go away from normal stretching ...
Kaposiform hemangioendothelioma is a rare, rapidly growing mass of blood vessels that may be present at birth or develop during infancy.
Vascular tumors are a highly diverse group of aberrant growths which include various benign hemangiomas, borderline malignant hemangioendotheliomas, and malignant hemangiopericytomas and angiosarcomas. Benign vascular tumors display a range of characteristics, from well-defined, non-invasive small vessels to less defined, locally invasive large vessels [1]. These tumors are relatively abundant in the human population, with infantile hemangiomas being the most common tumor in children and cavernous hemangiomas affecting approximately one in every one hundred people. Treatment is not necessary for most benign vascular tumors unless they threaten bodily functions; however radiotherapy and/or embolization have been used with limited success for very large hemangiomas, and beta blockers, which target catecholamine-stimulated beta adrenergic receptor signaling, are considered a highly effective treatment option for pediatric patients with life threatening infantile hemangiomas [1]. In contrast, their ...
Objective: To analyze the clinical value of sirolimus plus prednisone for the treatment of the refractory kaposiform hemangioendothelioma(RKHE) and Kasabach-Merritt syndrome(KMS). Method: Clinical retrospective analysis was carried out for 10 patients recruited in Childrens Hospital Affiliated to Capital Institute of Paediatrics from January 2014 to January 2017 who were non responders to or relapsers after the treatment of propranolol, prednisone, pingyangmycin and lauromacrogol(5 cases RKHE, 5 cases RKHE plus KMS, age ranged from 6 days to 9 years); patients were treated with sirolimus at the dosage of 0 ...
Primary benign vascular tumors and tumorlike lesions of the kidney: a clinicopathologic analysis of 15 cases.: Primary benign vascular lesions of the kidney are
title:Histopathological Study of 100 Cases of Vasculartumours. Author:Kapuriya Dharmesh P, Patel Prashant, Shah Amrish N. Keywords:Vascular tumors, Enzingers classification. Type:Original Article. Abstract:Introduction: Vascular tumors show a broad variety of morphological appearances and cilinical behavior, the lesions are ranging from benign hemangiomas to intermediate lesion, which are locally aggressive, to highly malignant angiosarcoma. There is also the grey zone between true neoplasia and hamartoma, which makes difficulty in histopathological assessment. It is also important to decide the degree of malignancy as it can strongly influence the choice of treatment and prognosis. Methodology: Hundred cases of vascular tumors received at the department of pathology, medical college and SSG hospital, Baroda have been studied with a view to carrying out a histopathological analysis. Results: mploying modified Enzingers classification (2001) the break up of 100 cases was as follows : 37 - ...
Hemorrhagic lesions induced by polyoma virus in newborn or adult hamsters have been microscopically analyzed. There was no evidence of endothelial necrosis, but the most characteristic feature was proliferation of endothelial cells. Emboli of liver and tumor cells occurred frequently in the lung, even though the possibility of primary tumors in this organ could not be excluded. Nine out of 22 liver hemangioendotheliomas (eight from young animals and one from an adult) and five out of twelve lung lesions (four from young animals and one from an adult) could be successfully grafted in adult animals that were not preconditioned. Eight out of nine tumors have been serially transplanted and are now between the eighth and thirteenth transfer. These tumors present the histological picture of a hemangiosarcoma accompanied by active mesenchymal tissue proliferation, probably of host origin, with capillary angiomas, monocytic cell infiltration, and hemosiderin deposition. Some of the transplantable tumors ...
In five Ewing sarcoma patients, part of the tumor biopsy collected for diagnostic purposes before treatment or part of the surgically resected tumor after chemotherapy was frozen in dry ice and stored at −80°C. These samples were used for mRNA detection by in situ hybridization and/or for measuring the tissue peptide contents by RIA. In two of these patients, as well as a third one with no tumor tissue collected, blood samples were taken before, during, and/or at the end of therapy to quantify the plasma peptide content.. One of the patients (1ZEW) was a 22-year-old man admitted with increasingly severe knee and hip joint pain. The radiological examinations at admission showed a process in the hip and femur bone with infiltration in the soft tissues. Magnetic resonance imaging (MRI) examination identified a large circular tumor around the bone of approximately 60 × 60 × 40 mm (144,000 mm3). The other staging examinations showed no metastases. The tumor biopsy showed, by histomorphological ...
Title: Histomorphological alterations in selected immune orangs in broiler chickens exposed orally to deoxynivalenol and lipopolysaccharide ...
New York-presbyterian Hospital/weill Cornell Medical procedure pricing information for an Extremity Ultrasound (Nonvascular) can be found listed below. Find a cost comparison to other providers in New York, NY and see your potential savings.
Current therapies for ARMD and DR aim to inhibit cytokines that mediate the vasoproliferative response or to destroy the tissue that is creating the increased metabolic demand. A more rational therapeutic approach would be to relieve the hypoxia or to replace or normalize the cells that underlie the fibrotic response to injury. Our increased understanding of the angiogenic process has led to the identification of effector molecules, their cellular receptors, intracellular signaling cascades, and post-transcriptional regulators; this knowledge has translated into the use of compounds that can inhibit the pathological angiogenesis associated with tumors and neovascular eye diseases (90). Understanding of cell-cell and cell-ECM interactions that affect angiogenesis at the tissue level has also improved, and more recently a role for circulating cells in the regulation of vascular homeostasis in the adult organism has been identified in a number of organs, including the eye (91). In addition to the ...
It manufactured a number of L/R steps in the improper route at ,a hundred and eighty levels, a sharp switch by a de novo pseudopod, then once more a handful of
Twenty one Pakistani prisoners who have completed their respective sentences, would be repatriated to their country through the land transit route at Attari on November 14.
A hemangiopericytoma is metastatic vascular tumor arising from the pericyte cells. Learn more about Dog Blood Cell Cancer at PetMd.com.
ProSci has tissue lysates from mice at different developmental stages. Buy the 14 day mouse lysates you need for your research online today from ProSci!
Kaposiform hemangioendotheliomas (KHE) are extremely rare life threatening tumors which can be associated with Kasabach-Merritt Phenomenon consisting of profound thrombocytopenia and hypofibrinogenemia causing a significant risk of bleeding and an associated mortality rate as high as 20% to 30%. Despite the severity of potential complications, we lack uniform guidelines for the treatment and response to treatment of children and young adults with these tumors. KHE patients have been treated with a multitude of aggressive drug regimens without prospective evaluation of response or safety. Presently, vincristine is considered the standard of practice. We have treated a subset of these patients on study SIR-DA-0901 (FDA Grant# 5RO1FD003712-01). This study is a phase II trial assessing the efficacy and safety of sirolimus for the treatment of complicated vascular anomalies. Although the numbers are small, the response has been extremely promising with excellent tolerability. There is pre-clinical ...
Infant hemangiomas are the most common benign vascular tumor in infancy (20). Generally, infant hemangiomas may be divided into three phases: Proliferative phase, stabilized phase and involuting phase (21). The majority of hemangiomas are self-limiting, while 10-20% require additional treatment because of complication generation (22). Several local complications may need to be treated in time as hemangiomas may sometimes develop collapse, necrosis or hemorrhage, while vascular tumor growth in particular parts of the body, such as the upper eyelid, could lead to ametropia, amblyopia or astigmatism (23). Vascular tumors growing near vital organs, including the upper respiratory tract and liver, should be taken into account seriously, since those hemangiomas could cause severe diseases, including acute respiratory failure or congestive heart failure (24). Vascular tumors may also be combined with systemic diseases, and the infant in the present report is a case of hemangiomas associated with ...
Vascular malformations of the limbs are rare congenital anomalies with only 20% of these cases reported to have associated osseous involvement [1]. According to the international society for the study of vascular anomalies (ISSVA), vascular anomalies are divided into vascular tumours and vascular malformations (VM). Vascular tumours are further subdivided into benign, borderline and malignant tumours, while VM are further classified into 5 types: the 1st is the simple type (one type of malformation in the lesion as capillary or venous or lymphatic or arterial), AVM and AVF are also included in this group, the 2nd type of VM is the combined type (two or more malformations in the same lesion as CVM, CAVM, CLAVM), the 3rd type of VM are malformations of major named vessels, also called truncal malformations, and these are further classified according to the type of the involved vessels (lymphatics, veins, arteries ) or classified according to the nature of the defect as abnormalities of origin, ...
NICH is a type of vascular tumor that also arises in the womb and it is present at birth. But unlike RICH, non--involuting congenital hemangiomasdo not regress and continue to grow as the child grows.These types of vascular tumors cause significant disfigurement of the involved tissues, and often require treatment with a combination of sclerotherapy and surgery.. In some cases, patients can exhibit both features of RICH and NICH a condition called a partially involuting congenital hemangioma (PICH). NYEEs vascular birthmark specialists will develop a customized treatment plan to address each case for maximum medical and cosmetic results.. ...
Studies by several different research groups using different experimental animals indicate that nutritional amounts of boron beneficially affect bone histomorphological and gross physical...
Compared with oral corticosteroids, use of the beta-blocker propranolol for treatment of infantile hemangiomas (IHs) was associated with higher rates of lesion clearance, fewer adverse effects, fewer surgical interventions ...
|i|Background|/i|. Acute onset paraplegia has a myriad of causes most often of a nonvascular origin. Vascular etiologies are infrequent causes and most often associated with postsurgical complications.|i| Objective|/i|. To describe the occurrence and possible mechanism for aortic saddle embolism as a rare cause of acute paraplegia.|i| Case Report|/i|. Described is a case of a 46-year-old female who presented with the sudden onset of nontraumatic low back pain with rapidly progressive paraplegia which was subsequently determined to be of vascular origin.
The success of these initial experiments led us to hope that controlling Slit2 might block the chaotic development of blood vessels in ocular diseases," explains Alain Chédotal, Inserm Research Director.. The team therefore repeated these tests in an animal model for retinopathy of prematurity. As they had suspected, the absence of Slit2 protein prevented abnormal vascularisation of the retina in these young mice.. This work suggests that therapies targeting Slit2 protein and its receptors, Robo1 and Robo2, might be beneficial for patients with vasoproliferative ocular disease, especially those who are resistant to conventional anti-VEGF therapies.. Moreover, it would be interesting to set up other studies to obtain a better understanding of the mechanism of action of Slit2 and its relationship with VEGF. This could open up new avenues for the treatment of tumours.. ###. Sources. Slit2 signaling through Robo1 and Robo2 is required for retinal neovascularization. Nicolas Rama1-3,8, Alexandre ...
In response to the ongoing situation in Japan, the U.S. Environmental Protection Agency has taken steps to increase the level of nationwide monitoring of milk, precipitation, drinking water, and other potential exposure routes.
Dr Gordon Sun presents common causes of neck masses in adult and pediatric patients and discusses appropriate initial imaging studies for each patient population.
ﺑﺮﺍی ﺑﺎﺯﺗﻮﺍﻧﻰ ﺣﺮﻛﺘﻰ ﺑﻴﻤﺎﺭﺍﻥ ﺁﺳﻴﺐ ﻧﺨﺎﻋﻰ ﻣﻰﺗﻮﺍﻥ ﺍﺯ ﺭﻭﺵﻫﺎی ﻣﺒﺘﻨﻰ ﺑﺮ FES ﺑﻬﺮﻩ ﺑﺮﺩ ﻛﻪ ﺭﻛﺎﺏﺯﻧﻰ FES ﺍﺯ ﺟﻤﻠﺔ ﺍﻳﻦ ﺭﻭﺵﻫﺎ ﺍﺳﺖ. ﺍﻳﺠﺎﺩ ﻓﻌﺎﻟﻴﺖ ﺗﻨﺎﻭﺑﻰ ﺩﺭ ﻣﺎﻫﻴﭽﻪﻫﺎی ﺍﻧﺪﺍﻡ ﺗﺤﺘﺎﻧﻰ ﻭ ﭘﺎﻳﺪﺍﺭی ﻧﻘﻄﺔ ﺍﺗﻜﺎی ﺑﻴﻤﺎﺭ، ﺭﻛﺎﺏﺯﻧﻰ FES ﺭﺍ ﺩﺭ ﺯﻣﺮﻩ ﺗﻤﺮﻳﻦﻫﺎی ﻣﻔﻴﺪ ﺑﺮﺍی ﺍﻳﻦ ﻧﻮﻉ ﺑﻴﻤﺎﺭﺍﻥ ﻗﺮﺍﺭ ﺩﺍﺩﻩ ﺍﺳﺖ. ﺍﺻﻠﻰﺗﺮﻳﻦ ﻣﺸﻜﻞ ﭘﻴﺶ ﺭﻭی ﻛﺎﺭﺑﺮﺩ FES ﺩﺭ ﺗﻮﺍﻧﺒﺨﺸﻰ، ﺧﺴﺘﮕﻰ ﺯﻭﺩﻫﻨﮕﺎﻡ ﻋﻀﻠﻪﺍی ﺍﺳﺖ ﻛﻪ ﺗﺤﺮﻳﮏ ﺍﻟﻜﺘﺮﻳﻜﻰ ﺑﻪ ﺁﻥ ﺍﻋﻤﺎﻝ ﻣﻰﺷﻮﺩ. ﺍﺯ ﺳﻮی ﺩﻳﮕﺮ ﺳﻴﺴﺘﻢ ﻛﻨﺘﺮﻝ ﺣﺮﻛﺖ
Tumors of endothelial cell origin are relatively common. Soft tissue tumors and numerous subtypes of benign and malignant vascular tumors have been described; the histogenesis of many of these tumors is uncertain, and distinguishing between benign and malignant vascular tumors, some of which express lymphatic endothelial cell markers, can be problematic. In the present study, immunophenotypic expression of a novel hyaluronan receptor (LYVE-1), which is expressed by endothelial cells of normal lymphatic vessels but not blood vessels, was determined in benign and malignant vascular tumors. It was found that, except in lymphangiomas, intramuscular hemangiomas, and Massons hemangiomas, endothelial cells in benign blood vessel tumors (including capillary and cavernous hemangiomas, glomus tumors, pyogenic granulomas, and epithelioid hemangiomas) were negative for LYVE-1, and that all angiosarcomas and Kaposis sarcomas were positive for LYVE-1. Expression of LYVE-1 and other lymphatic endothelial cell
TY - JOUR. T1 - Vascular neoplasms and malformations involving the airway. AU - Harris, George F.. AU - White, David R.. PY - 2012/11/30. Y1 - 2012/11/30. N2 - Vascular anomalies fall into two groups: vascular neoplasms and vascular malformations. Their behaviors differ, therefore they require different methods of management. Vascular lesions of the airway involve some degree of airway obstruction, although this may not be their primary manifestation. Areas of narrowing along this pathway have functional consequences for respiration, swallowing, speech, and growth, as well as overall development and quality of life. Small amounts of airway narrowing may be significant, and there are important differences between the adult and pediatric airway. Although lesions can be distractingly large, deforming, or completely hidden from view, the clinician should focus on evaluating for impairments of function. Awake flexible fiberoptic laryngoscopy is the first diagnostic step. Imaging is critical to both ...
Letters. Chaisson, Richard E.; Levine, Beth; Valainis, Gregory T.; Wasserthiel-Smoller, Sylvia; Gold, Susan; Kronawitter, Ursula; Bogner, Johanes R.; Goebel, Frank D.; Spitzer, T. R.; Zwiebel, J.; Jacobson, R. J.; Santos, Roseane Maia; Lima, Darcy Roberto; Vieira, Soniza Alvez; Kocher, Mahendr S.; Ristow, Susan; Sharpe, Bridget; Coker, R. J.; Peters, B. S. // Annals of Internal Medicine;9/15/91, Vol. 115 Issue 6, p496 Presents various articles on internal medicine. Examination of Mycobacterium kansasii infection in patients with HIV infection; Assessment of pentamidine prophylaxis pneumocytis carinii pneumonia; Description of allotolerance to renal allografts. ...
Neck masses are common problems in infants and children. Some neck masses are congenital (present at birth) and result from abnormal formation during embryonic development. Many neck masses appear with an upper respiratory infection such as a cold or sinus infection. Some are not found until they become enlarged and painful from infection. Although a neck mass can involve other structures in the head and neck area, most are benign (noncancerous). Cancerous neck masses are rare in young infants and children, but occasionally a mass is diagnosed as Hodgkin or non-Hodgkin disease-both cancers of the lymphatic system.. Your childs physician will consider many factors when diagnosing a neck mass, including the following:. ...
Doctors Ask: The hemangiomas of the liver are congenital benign tumor-like vascular origin that occurs in 7% of healthy people. Hemangioma is not a sincere tumor, but a local area of ​​the cluster of interwoven smallest vessels of the liver, in the structure of which all the structural elements of the venous walls are involved.
Afferent and efferent arterioles (21.5±1.2µm and 15.9±1.2µm diameter), recognised from vascular origins, lead into previously undescribed wider regions (43.2±2.8 µm and 38.4±4.9 µm diameter) we have termed vascular chambers (VCs) embedded in the mesangium of the vascular pole. Afferent VC(AVC) volume was 1.6 fold greater than Efferent VC(EVC) volume. From the AVC long non-branching high capacity conduit vessels (n=7) (Con; 15.9±0.7µm diameter) led to the glomerular edge where branching was more frequent. Conduit vessels have fewer podocytes than filtration capillaries. VCs were confirmed in fixed and unfixed specimens with a layer of banded collagen identified in AVC walls by multiphoton and electron microscopy. Thirteen highly branched efferent first order vessels (E1;9.9±0.4µm diam.) converge on the EVC draining into the efferent arteriole (15.9±1.2µm diam.). Banded collagen was scarce around EVC ...