Abnormal tortuous vascular. Medical search. Frequent questions

Confusion originated from difficulty in differentiating vascular malformations from vascular proliferative lesions, such as hemangiomas, and from the use of wholly clinical descriptions in categorizing these lesions. (medscape.com)
According to the International Society for the Study of Vascular Anomalies (ISSVA) classification, vascular malformations are classified according to their predominant vessel type, such as arterial, venous, lymphatic, capillary, or complex (a combination of different vessels). (medscape.com)
Capillary malformations and other vascular malformations are the result of abnormal morphogenesis. (medscape.com)
Immunohistochemical studies of capillary malformations reveal a significantly decreased density of perivascular nervous tissue in lesional skin, suggesting that inadequate innervation may be in part responsible for decreased vascular tone and progressive vascular dilatation. (medscape.com)
Venous vascular malformations, also known as venous angiomas or, more properly, developmental venous anomalies (DVAs), represent congenital anatomically variant pathways in the normal venous drainage of an area of the brain. (medscape.com)
See the images of venous vascular malformations below). (medscape.com)
While some believe that DVAs can hemorrhage on their own, most notably after venous infarction from spontaneous DVA thrombosis, most instances of hemorrhage with DVAs have been in patients with combined vascular malformations. (medscape.com)
DVAs are associated with cavernous angiomas or one of the other types of CNS vascular malformations (ie, arteriovenous malformation [AVM], capillary telangiectasia ) in approximately 15-30% of patients. (medscape.com)
Vascular malformations with arteriovenous shunt components can cause significant disability, chronic pain, and functional impairment. (biomedcentral.com)
Vascular malformations (VM) are congenital lesions with diverse clinical manifestations. (biomedcentral.com)
Although criteria have been developed for classifying vascular malformations according to flow velocity and vessel type [ 3 ], diagnosis of these heterogeneous lesions remains challenging. (biomedcentral.com)
this may be particularly advantageous to populations in whom such exposure is of concern (such as children) or in whom serial examinations may be necessary (such as patients with vascular malformations). (biomedcentral.com)
Vascular ectasias (angiodysplasias, arteriovenous malformations) are dilated, tortuous vessels that typically develop in the cecum and ascending colon. (merckmanuals.com)
[ 1 ] Spinal cord hemorrhage is most commonly caused by trauma, vascular malformations, or bleeding diatheses. (medscape.com)
In non-traumatic cases, vascular malformations and coagulopathies are the most common etiologies, in almost equal proportions. (medscape.com)
It has been used to treat various conditions, such as traumatic bleeds, gastrointestinal bleeds, tumors, vascular malformations, and aneurysms, for the past 3 to 4 decades. (sls.org)
These range from large coils and flow occluders for larger vessels to liquid agents and particles microns in diameter for the treatment of vascular malformations and tumors. (sls.org)
If you see tubular structures in the lung in a chest radiograph , think of AVM or other vascular malformations, and proceed to a contrast CT. (myesr.org)
Arteriovenous malformations (AVM) are the abnormal connections between the normal arteries and veins of the brain without resistance vessels. (springeropen.com)

Gastric antral vascular ectasia (watermelon stomach or GAVE) consists of large dilated veins running linearly along the stomach, creating a striped appearance suggestive of a watermelon. (merckmanuals.com)

Capillary malformation, usually referred to as a port-wine stain or nevus flammeus, is the most common type of vascular malformation. (medscape.com)
The potent endothelial cell mitogen vascular endothelial growth factor (VEGF)-A and its most active receptor VEGF-R2 expression are significantly increased in capillary malformation skin tissue compared with control skin. (medscape.com)
Type 1: arteriolar or abnormal capillary plexus between artery and vein. (amretina.com)
The vascular network branches progressively from the chorionic plate creating a com- plex system of villi which terminate in ''terminal villi'' which contains a branched system of capillary loops. (vdocument.in)
Digital ulcerations or necrosis, digital tuft pits, pterygium inversum, and tortuous nail fold capillaries with capillary dropout may be seen. (logicalimages.com)

Cancer cells induce the formation of their own vascular system by recruiting new vessels from the host. (voicesfromoxford.org)
The vessels are leaky, tortuous, dilated and have lost hierarchy. (voicesfromoxford.org)
Several distinct congenital or acquired syndromes involve abnormal mucosal or submucosal blood vessels in the gastrointestinal tract. (merckmanuals.com)
Dilated, tortuous bronchial vessels were ubiquitous in CF, and 70% had non-bronchial collaterals. (eurekaselect.com)
The early clinical signs of DR include microaneurysms and hemorrhages, while the later signs are narrowed, tortuous and irregular retinal blood vessels, due to the formation of abnormal new blood vessels at the back of the eye in proliferative DR ( 4 ). (spandidos-publications.com)
Among the angiogenic mediators, vascular endothelial growth factor (VEGF) is considered to be the main stimulating factor, which acts via promoting the migration and proliferation of vascular endothelial cells, and thereby stimulates the generation of new blood vessels ( 6 ). (spandidos-publications.com)
Pulmonary vessels may become thickened and tortuous. (capcvet.org)
Vascular ultrasound is used to examine the large vessels of the body. (kvu.com.au)
Embolization is a minimally invasive procedure that blocks one or more blood vessels or abnormal vascular channels to treat a number of clinical conditions. (interventionalnews.com)
The retina of a hypertensive patient develops tortuous looking retinal blood vessels. (marvistavet.com)
While not all individuals have characteristic craniofacial features, individuals with this disorder often have widely spaced eyes, tortuous blood vessels, a uvula that splits in two (bifid uvula) and/or cleft palate. (rarediseases.org)
These blood vessels may grow abnormally long and twisted or tortuous, making them more likely to split or dissect. (rarediseases.org)
This is a rare inherited disorder characterized by abnormal vessels in the skin, mucous membranes, and organs such as the lungs, liver, and central nervous system. (myesr.org)
There is no normal brain tissue between abnormal blood vessels in the compact or glomerular type. (springeropen.com)
Proliferative or diffuse type is rare and is characterized by the interspersed of normal brain tissue between abnormal vessels. (springeropen.com)
A twisting of the aorta or enlargement of the heart's blood vessels is called a tortuous aortic arch. (haucti.rest)
Both these tumors arise from the blood vessels of the red pulp and amount to a bunch of wildly proliferating abnormal blood vessels. (vin.com)

Brain, venous vascular malformation. (medscape.com)
The contrast CT shows that the Vascular structure has a peripheral nidus, an artery and a vein, better seen in the 3D reconstruction (Small arrows): This is another Arterio-venous malformation , but this patient had more findings related to his neurological symptoms. (myesr.org)
This disease is characterized by a tangled vascular network, including the whole or part of the pancreas, resulting in portal hypertension by forming a shunt of the pancreas arteries to drain directly into the portal venous system. (bioseek.eu)

Cerebral arteriovenous malformation (AVM) is a fatal congenital vascular disease. (biomedcentral.com)
In 1879, Sturge reported on a case with bilateral facial nevus, vascular deformity, and congenital glaucoma in the right eye and spasms affecting the patient's left side of the body [ 9 ]. (hindawi.com)

Once thought to be rare, they are now considered to be the most common vascular malformation in the CNS. (medscape.com)
In the vast majority of these cases, the hemorrhage probably originated from the accompanying vascular malformation rather than from the DVA. (medscape.com)
We describe the use of contrast-enhanced sonography as a novel tool to define vascular anatomy and localize arteriovenous shunting in a young patient with a symptomatic vascular malformation. (biomedcentral.com)
We report the first case in which CEUS has been used to evaluate a vascular malformation. (biomedcentral.com)
Initial MR imaging demonstrated a vascular malformation (Figure 1 ). (biomedcentral.com)
Siemens Healthcare, Erlangen, Germany) with a preliminary diagnosis of mass and vascular malformation due to the presence of marked oedema and tubular densities. (springeropen.com)

High-grade gliomas can be highly invasive and extremely vascular tumors. (ajnr.org)
In general our research is focused at understanding the mechanisms that regulate the formation of the vascular system in tumors in order to induce their regression. (voicesfromoxford.org)
In contrast to hemangiomas, a separate category of vascular tumors which tend to involute spontaneously, VM often grow in proportion with the child but may expand at an accelerated pace [ 1 ]. (biomedcentral.com)
They are highly vascular estrogen-responsive benign tumors and frequently increase in size during pregnancy. (sls.org)

If the walls of the veins weaken, they become enlarged and tortuous, appearing as varicose veins. (kvu.com.au)
Varicose Veins are enlarged, tortuous veins seen in the legs and feet. (varicoseveinsindia.com)
Varicose Veins are Large Dilated, tortuous veins seen in the legs. (varicoseveinsindia.com)
Varicose veins, otherwise known as varicosities, are veins that have become distended and tortuous. (dubaivascular.ae)
Microphlebectomy for varicose veins is a procedure done at your vascular surgeon's office to remove large & visible surface varicose veins. (venahealth.com)
Varicose veins are tortuous, large veins seen on legs or feet. (practo.com)

Tumor vascular perfusion parameters obtained by using CT or MR perfusion have been used for tumor grading, prognosis, and treatment response in addition to differentiating treatment/radiation effects and non-neoplastic lesions from neoplasms. (ajnr.org)
Conversely, ultrasound (US) imaging with and without color Doppler is frequently used in initial screenings because of its availability, safety, relatively low cost, and ability to display flow velocity and to differentiate between types of vascular lesions in real time. (biomedcentral.com)
Rendu-Osler-Weber syndrome) is an autosomal dominant disorder that causes multiple vascular lesions in various parts of the body, including the entire GI tract. (merckmanuals.com)
Vascular lesions are painless. (merckmanuals.com)
Vascular lesions are most commonly diagnosed endoscopically. (merckmanuals.com)
Endoscopic coagulation (with heater probe, laser, argon plasma, or bipolar electrocoagulation) is effective for many vascular lesions. (merckmanuals.com)

Long term high blood pressure is a major risk factor for coronary artery disease, stroke, heart failure, peripheral vascular disease, vision loss, and chronic kidney disease. (wikipedia.org)
Heartworms can be found at abnormal locations such as the eyes, central nervous system, peritoneal cavity, peripheral vasculature and skin. (capcvet.org)
Patients do not have a history of peripheral vascular disease or ischemic injury. (logicalimages.com)
They may be caused due to peripheral vascular disease. (dubaivascular.ae)

Abnormal tortuous (i.e., twisted) form of the carotid arteries. (nih.gov)

3 - 5 However, PCT, which has also been used recently for glioma grading, 6 , 7 provides a linear relationship between tissue attenuation and tissue concentration of a contrast agent, unlike perfusion MR imaging, and, hence, probably provides a more robust and less biased estimation of hemodynamic (tumor blood volume) and physiologic (tumor vascular leakiness) parameters. (ajnr.org)

These extracted markers or characterized fundus digital image features provide insights and relates quantitative retinal vascular topography abnormalities to various pathologies such as diabetic retinopathy, macular degeneration, hypertensive retinopathy, transient ischemic attack, neovascular glaucoma, and cardiovascular diseases. (hindawi.com)
Some distinct changes in the retinal microvasculature are recognized as the preindicator of subsequent vascular incidents like ischemic stroke or acute stroke [ 10 ]. (hindawi.com)

Treatment with 30 mM glucose also increased the expression of vascular endothelial growth factor (VEGF) mRNA and protein, and the expression levels of VEGF mRNA and protein were suppressed by kaempferol (10 and 30 µM). (spandidos-publications.com)

Between the two is a complex arborised vascular network through which oxygen, nutrient and waste exchange takes place. (vdocument.in)

Abnormal tangled arteries and veins in the pancreas form a direct drainage called shunt, which can cause portal hypertension. (bioseek.eu)

In addition, physicians can benefit from this technique as to objectively assess abnormal symptoms such as vessel tortuosity, vessel width, bifurcation angles, branching angles, and vessel caliber. (hindawi.com)

A hydrophilic coating aids in smooth tracking through tortuous anatomy. (interventionalnews.com)

Varicocele refers to the abnormal dilatation of the veins which carry blood from the Testis to the heart. (practo.com)

It was found in many types of research that there is a clear relationship between the ocular funduscopic abnormalities and acute stroke even though the blood pressure and other vascular risk factors are in control [ 11 ]. (hindawi.com)
L4s migrate through tissues and the blood vascular system for several weeks. (capcvet.org)
Tumor blood vasculature tends to be heterogeneously distributed, densely branched, tortuous, malformed, and hyperpermeable relative to that found within physiological tissues. (cornell.edu)
High blood pressure also increases the risk of "embolism:" the formation of tiny blood clots that form when blood flow is abnormal. (marvistavet.com)
The tortuous aorta is a twisting or deformation of an aorta, causing it to narrow or constrict, restricting blood flow. (haucti.rest)
A tortuous aortic arch is a type of heart and blood vessel abnormality. (haucti.rest)
When a vascular organ like the spleen bleeds, a life-threatening blood loss can result. (vin.com)
These valves don't close properly, and with vascular pressure, it allows blood to leak back with gravity and pool in the vein. (spiderandvaricoseveintreatment.com)

The term vascular disease relates to the abnormal changes that may develop within these large veins or arteries. (kvu.com.au)

Selective angiography showed the proliferation of a vascular network in the pancreas and an early visualization of the portal vein during the arterial phase. (bioseek.eu)

They are thought to be degenerative and do not occur in association with other vascular abnormalities. (merckmanuals.com)
Vascular ectasias also occur in association with a number of systemic diseases (eg, renal failure, aortic stenosis, cirrhosis, CREST syndrome [calcinosis cutis, Raynaud phenomenon, esophageal dysmotility, sclerodactyly, telangiectasias]) and after radiation to the bowel. (merckmanuals.com)
Dominant genetic disorders occur when only a single copy of an abnormal gene is necessary to cause a particular disease. (rarediseases.org)

The mesenchymal villi and from the rate is considered abnormal if symptoms persist. (lowerbricktown.com)

The researchers reported that only the patients with CSC had abnormal NVC patterns and an abnormal dilated apical part of the capillaries ( p = 0.000). (modernretina.com)

Although VM can be partly characterized on the basis of history and physical examination, imaging is commonly required for better identification of abnormal structures in patients with atypical presentations, and to assess the extent of a lesion before and after treatment[ 9 ]. (biomedcentral.com)

4 , 11 In June 2007, W.F. Yakes was invited to present his clinical experience in the management of craniofacial AVMs with absolute ethanol at the Chinese National Conference on Oral and Maxillofacial Vascular Anomalies held in Hangzhou, Zhejiang Province. (ajnr.org)

However, the resulting vasculature is structurally and functionally abnormal. (voicesfromoxford.org)
As cells are capable of sensing and responding to the stiffness of their surrounding matrix via mechanisms that include changes in the phosphorylation of focal adhesion proteins, like FAK and Src, we hypothesized that there is a relationship between abnormal tumor vasculature characteristics and tumor stiffening. (cornell.edu)

Post-transplant complications can be categorized into vascular, non-vascular and biliary. (medscape.com)
This device should only be used at medical facilities by physicians who are adequately trained and experienced in performing vascular interventions (including cases of life-threatening complications). (orsiro.com)
This device carries an associated risk of thrombosis, vascular complications and/or bleeding events. (orsiro.com)

It may be caused by abnormal positioning of the popliteal artery and can lead to serious disability. (dubaivascular.ae)

ii ) Histologic confirmation of presence of hyalinising changes of vascular walls with or without intraluminal thrombi. (medicaljournals.se)

Raynaud phenomenon is a vascular disorder characterized by intermittent arteriolar vasospasm of the digits, most often due to cold temperature or stress. (logicalimages.com)

The young adults (2-3 cm in length) enter the vascular system and are carried to the heart and pulmonary arteries, arriving as early as 70 days after infection. (capcvet.org)
The pulmonary vascular resistance in the united states, and it is critical to normal controls. (lowerbricktown.com)

With trauma, shear forces acting upon the spinal cord and surrounding structures may lead to hemorrhage and vascular damage. (medscape.com)

Mildly hyperdense tubular areas were noted in the left frontal-parietal region, which may be compatible with enlarged vascular structures. (springeropen.com)
Tortuous tubular structures showing signal void that started at the left parietal lobe and spread to the entire hemisphere were evaluated as AVM. (springeropen.com)

Endogenous inhibitors of angiogenesis include thrombospondin 1 (TSP-1) and a disintegrin and metalloproteinase with thrombospondin motifs 1 (ADAMTS-1), and their aberrant expression may contribute to the diabetes-related dysregulation of retinal vascular homeostasis and vasculopathies ( 7 , 8 ). (spandidos-publications.com)

In cases where the the number of abnormal veins is excessive, the vascular surgeon is limited by the amount of local anesthesia that he or she can administer at one time. (venahealth.com)

Livedoid vasculopathy (LV) is a chronic vascular occlusive disease characterised clinically by livedo reticular erythema complicated by recurrent and painful ulcers which lead to stellate scars after healing. (medicaljournals.se)
A very rare vascular condition characterized by chronic leg ischemia and claudication. (dubaivascular.ae)

The pathogenesis of the port-wine stain (PWS) is still not completely understood, but it is linked to progressive ectasia of the superficial cutaneous vascular network [ 13 , 14 ]. (hindawi.com)

Want to know about retinal and choroidal vascular parameters in patients with CSC? (modernretina.com)
Comparison of nailfold videocapillaroscopy with retinal and choroidal vascular parameters in patients with central serous chorioretinopathy. (modernretina.com)

Two of the most important factors in determining the malignancy of gliomas are their ability to infiltrate the brain parenchyma and to recruit or synthesize vascular networks for further growth (ie, neoangiogenesis). (ajnr.org)

The lung is a complex, precisely structured organ in which the vascular network is intimately associated with epithelial-lined tubes and sacs for the prime purpose of gas exchange. (biomedcentral.com)

It is estimated that 41% of all women will suffer from abnormal leg veins by the time they are in the 50s. (varicoseveinsindia.com)

Anatomy2

Organisms3

Diseases5

Disciplines and Occupations3

Information Science1

Malformations19

Dilated veins1

Capillary5

Vessels17

Venous3

Congenital2

Malformation6

Tumors4

Varicose veins6

Lesions6

Peripheral4

Carotid1

Tumor vascular1

Ischemic2

VEGF1

Arborised vascular network1

Arteries and veins1

Tortuosity1

Anatomy1

Dilatation1

Blood8

Large veins1

Angiography1

Occur3

Symptoms1

Capillaries1

Lesion1

Anomalies1

Vasculature2

Complications3

Artery1

Walls1

Disorder1

Pulmonary2

Hemorrhage1

Structures2

Angiogenesis1

Surgeon1

Chronic2

Superficial1

Patients2

Brain1

Organ1

Suffer1