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Topic: Glomus tumor

	Bonetumor.org - The Web's Most Comprehensive Bone Tumor Resource
		The normal glomus unit is a neuromyoarterial apparatus that functions to regulate skin circulation and is found subungually, on the finger tip pulp, on the base of the foot and the rest of body in descending order.
		Clinically, glomus tumors are characterized by a triad of sensitivity to cold, localized tenderness and severe intermittent pain.
		Under the microscope, glomus tumors are found at the dermal and subdermal junction and have a fibrous capsule.
	www.bonetumor.org /tumors/pages/page138.html (649 words)

	Glomus Tumour
		Unlike conventional glomus tumors, which consist of small polygonal cells with dark round nuclei and scanty cytoplasm, the epithelioid lesions are composed of large polygonal to spindle-shaped cells with abundant eosinophilic cytoplasm and large, irregularly shaped nuclei.
		Infiltrative glomus tumor arising from a benign glomus tumor: a distinctive immunohistochemical pattern in the infiltrative component.
		Glomus tumor of the stomach: cytologic diagnosis by endoscopic ultrasound-guided fine-needle aspiration.
	www.histopathology-india.net /glomus.htm (1241 words)

	EAR SURGERY INFORMATION CENTER-Glomus Tumors
		Glomus tumors are rather common, benign tumors of the middle ear which arise from glomus bodies.
		It is necessary to differentiate between a glomus tumor limited to the middle ear, and a glomus tumor arising from the jugular vein.
		However, the larger, so-called glomus jugulare tumors, arising from the jugular vein, may be extremely vascular and are situated deep in the bone of the ear and neck.
	www.earsurgery.org /glomus.html (2201 words)

	Musculo-Skeletal Tumor Orthopaedic Practice (MUSTOP)
		Hemangioma is a benign tumor of blood vessels of adulthood that infrequently involves the bone.
		Glomus tumor is a rare tumor composed of round, uniform cells resembling smooth muscle cells, associated with vascular spaces.
		It is a vascular tumor of intermediate degree of malignancy characterized by the presence of vascular structures lined by plump endothelial cells.
	www.orthotumormd.com /pages/vasculartumors.php (648 words)

	Glomus Tumors (Jan.1995)
		Glomus tumors are generally benign neoplasms of arising from neuroectodermal tissues, found in various parts of the body.
		The incidence of glomus jugulare tumors is 1:1,300,000 population.
		Gulya AJ: The glomus tumor and its biology.
	www.utmb.edu /otoref/Grnds/glomus.htm (4863 words)

	THE MERCK MANUAL OF GERIATRICS, Ch. 129, Ear Disorders
		Glomus tumors are derived from paraganglion tissue (eg, the carotid body); they are benign.
		Among tumors of the middle ear and mastoid, which are rare, glomus tumors are the most common.
		Tumors originating in the middle ear (glomus tympanicum tumors) are clinically evident when small; those originating in the jugular vein at the mastoid (glomus jugulare tumors) become clinically evident relatively late and may produce paralysis of any combination of the 7th, 9th, and 10th cranial nerves, 11th cranial nerve, and 12th cranial nerve.
	www.merck.com /mrkshared/mmg/sec15/ch129/ch129j.jsp (785 words)

	Glomus tumors (Site not responding. Last check: 2007-10-08)
		Glomus tumors characteristically affect hearing because they often are located within or adjacent to the temporal bone.
		Glomus tumors may also affect other nerves in the face (cranial nerves) producing paralysis of the face, pharynx, vocal cords and tongue.
		Glomus tumors are diagnosed by a combination of their location and their highly vascular nature.
	www.dizziness-and-balance.com /disorders/tumors/glomus.html (357 words)

	Glomus Tumors (Site not responding. Last check: 2007-10-08)
		Glomus tumors arising in visceral organs are rare, and those arising in kidney are exceedingly rare.
		Malignant glomus tumor (MGT) is a rare, recently described neoplasm that recapitulates the appearance of the modified smooth cells of the normal glomus body.
		The glomus coccygeum is a vestigial structure related to the canals of Sucquet-Hoyer, an arteriovenous anastomosis surrounded by glomus cells derived from modified smooth muscle and involved in thermoregulation.
	www.thedoctorsdoctor.com /diseases/glomus_tumor.htm (3371 words)

	eMedicine - Glomus Tumor : Article Excerpt by: Michael B Reynolds, MD (Site not responding. Last check: 2007-10-08)
		Pathophysiology: Glomus tumors arise from the arterial portion of the glomus body, or the Sucquet-Hoyer canal, which is an arteriovenous shunt in the dermis that contributes to temperature regulation.
		Although glomus tumors are thought to arise from glomus cells, these tumors have been observed in extracutaneous locations that are not known to contain glomus cells.
		Multiple glomus tumors, especially the disseminated variant, are inherited in an autosomal-dominant pattern with incomplete penetrance.
	www.emedicine.com /derm/byname/glomus-tumor.htm (410 words)

	Ear Institute of Chicago: Medical Info -- Glomus Jugulare
		The symptoms of a glomus jugulare are similar to that of a glomus tympanicum including: pulsatile tinnitus, conductive or mixed hearing loss, ear pain and/or bleeding from the ear.
		As with a glomus tympanicum, the diagnosis of a glomus jugulare tumor is made based on symptoms, physical findings, hearing tests and a CT of the ear/temporal bone.
		Depending on the size of tumor, structures such as the jugular vein, carotid artery, cranial nerves, eustachian tube, and the temporomandibular joint (jaw joint) may be exposed.
	www.chicagoear.com /med_info/glomus_jugulare.htm (611 words)

	eMedicine - Glomus Tumor : Article by Michael B Reynolds, MD (Site not responding. Last check: 2007-10-08)
		Glomus tumors are neoplasms caused by a proliferation of glomus cells, which make up a portion of the glomus body.
		The glomus cells are monomorphous round or polygonal cells with plump nuclei and scant eosinophilic cytoplasm.
		Belanger SM, Weaver TD: Subungual glomus tumor of the hallux.
	www.emedicine.com /derm/topic167.htm (1745 words)

	Paraganglioma
		Benign tumors in general grow slowly and do not spread throughout the body, whereas their malignant counterparts have a faster growth pattern and can spread to other organs in the body.
		Glomus tympanicum tumors are small sized tumors originating in the middle ear.
		Depending on the size of the tumor, sometimes a day or two before surgery a procedure is done by a radiologist to place particles within the arterial blood vessels which supply blood to the tumor.
	www.earsite.com /tumors/paraganglioma.html (2125 words)

	MedlinePlus Medical Encyclopedia: Glomus jugulare tumor
		A glomus jugulare tumor is a small, ball-like swelling in the area of the middle ear.
		Specifically, the tumor occurs in part of the jugular vein (a large vein in the neck) or along a certain nerve on the side of the skull (temporal bone).
		The cause of a glomus jugulare tumor is unknown.
	www.nlm.nih.gov /medlineplus/ency/article/001634.htm (527 words)

	Case 21: Glomus Vagale Tumor -- Weissman 215 (1): 237 -- Radiology
		The tumor pushes the external carotid artery laterally and anteriorly, so the upper external carotid artery is not included in the area imaged.
		The relationship of the tumor to the arteries is similar to that in a carotid body tumor, but this is higher in the neck than the bifurcation, at a level more typical of a glomus vagale tumor.
		Tumors of the parapharyngeal space and upper neck: MR imaging characteristics.
	radiology.rsnajnls.org /cgi/content/full/215/1/237 (3620 words)

	Glomus jugulare tumor (Disease)... Fort Lauderdale, Florida (Site not responding. Last check: 2007-10-08)
		As a result, symptoms of the tumor are often weakness or paralysis of the face (cranial nerve palsies).
		Glomus jugulare tumors are rarely malignant, which means that they do not tend to spread to other parts of the body.
		Sometimes the tumor has to be treated before surgery with embolization (cutting off the blood supply) to shrink the blood supply to the tumor.
	www.browardhealth.org /16923.cfm (448 words)

	ae (Site not responding. Last check: 2007-10-08)
		The MR appearance is fairly characteristic for a glomus tumor.
		Glomus tumors arise from rests of paraganglionic tissue, but are infrequently biochemically active.
		Glomus jugulotympanicum commonly originates in the area of the cochlear promontory, is more common in females (2-4:1), and is the most common middle ear tumor.
	www.med.uc.edu /neurorad/webpage/gqa.html (160 words)

	Glomus tumor containing atypical cells (symplastic glomus tumor)
		Ordinary glomus tumors and glomangiomas are composed of a monotonous population of small round cells that are associated with variably prominent vascular channels.
		Increased tissue mucin is found in the stroma of some glomus tumors or variants of glomus tumors, and this is of no prognostic significance.
		Atypical and malignant glomus tumors: analysis of 52 cases, with a proposal for the reclassification of glomus tumors.
	www.bweems.com /glomsympl.html (357 words)

	Subungual Glomus Tumor: Emphasis on MR Angiography -- Van Ruyssevelt and Vranckx 182 (1): 263 -- American Journal of ...
		Glomus tumor is a benign tumor (hamartoma) developing from the neuromyoarterial
		glomus bodies that regulate blood flow in the skin [1, 2].
		The glomus tumor: investigation of its distribution and behavior, and the identity of its "epithelioid" cell.
	www.ajronline.org /cgi/content/full/182/1/263 (654 words)

	Malignant Glomus Tumor
		This patient information and photograph on Malignant Glomus Tumors is provided by John L. Meisenheimer, M.D. a board certified Dermatologist and skin care specialist based in Orlando, Florida.
		A malignant Glomus Tumor is a extremely rare form of skin cancer.
		Although the benign glomus tumor typically is found around the finger tips the malignant glomus tumor may be found anywhere.
	www.orlandoskindoc.com /malignant_glomus_tumor.htm (264 words)

	UCLA NEUROSURGERY \| Brain Tumor Diseases & Disorders (Site not responding. Last check: 2007-10-08)
		These are very vascular tumors with blood supply from the external carotid artery and internal carotid artery.
		These tumors are very vascular, therefore, pre-operative embolization of the blood supply to the tumor is often performed.
		Even though the surgery may be successful glomus jugulare tumors are somewhat problematic because they have a high recurrence rate and may require multiple operations.
	neurosurgery.ucla.edu /Diagnoses/BrainTumor/BrainTumorDis_10.html (272 words)

	Recurrent Glomus Tumors of Fingertips: MR Imaging Evaluation -- Theumann et al. 223 (1): 143 -- Radiology
		the glomus tumor as a painful subcutaneous "tubercle" (1).
		Recurrent glomus tumors occurred in 27% of the 94 glomus tumors
		of distinguishing the recurrence of a glomus tumor from postsurgical
	radiology.rsnajnls.org /cgi/content/full/223/1/143 (4877 words)

	Glomus body - Wikipedia, the free encyclopedia
		A glomus body (or glomus apparatus) is a component of the dermis layer of the skin, involved in body temperature regulation.
		The glomus body consists of an arterio-venous anastamosis surrounded by a capsule of connective tissue.
		The role of the glomus body is to shunt blood away from the skin surface when exposed to cold temperature, thus preventing heat loss, and allowing maximum heat flow to the skin in warm weather to allow heat to dissipate.
	en.wikipedia.org /wiki/Glomus_body (157 words)

	[No title]
		Epidemiology The incidence of glomus jugulare tumors is 1:1,300,000 population.
		Controversy and Complications The treatment of glomus tumors involving the unilateral skull base is an area of ongoing controversy.
		Discussion It is obvious that treatment plans must take into account the patient's age, the site, size, and extent of the tumor, the rate of symptom progression, pre-operative cranial nerve status, possibility of multicentricity, neurosecretory status, the experience of the surgeon, and perhaps most importantly patient preference.
	www.utmb.edu /oto/Grand_Rounds_Earlier.dir/Glomus_Tumors_1995.txt (3510 words)

	Glomus tumor - Wikipedia, the free encyclopedia
		Glomus tumor was also the name formerly used for a tumor now called a paraganglioma.
		A glomus tumor (glomangioma) is a rare neoplasm, is a specialized arteriovenous anastomosis usually found in the skin of the extremities.
		They are usually solitary and small, and most often are found under the fingernails.
	en.wikipedia.org /wiki/Glomus_tumor (112 words)

	Juxtacortical Glomus Tumor of the Distal Femur Adjacent to the Popliteal Fossa -- Perks et al. 181 (6): 1590 -- ...
		Juxtacortical Glomus Tumor of the Distal Femur Adjacent to the Popliteal Fossa -- Perks et al.
		Juxtacortical Glomus Tumor of the Distal Femur Adjacent to the Popliteal Fossa
		González-Llanos F, López-Barea F, Isla A, Fernández-Prieto A, Zubillaga A, Alvarez F. Periosteal glomus tumor of the femur.
	www.ajronline.org /cgi/content/full/181/6/1590 (959 words)

	DermAtlas: Online Dermatology Image Library dermatology image,glomus tumor,glomangioma (Site not responding. Last check: 2007-10-08)
		Glomus tumors are derived from the temperature-regulatory smooth muscle apparatus designed to shunt blood.
		Glomus and glomangioma can be used interchangably, often reflecting the relative amount of cellular and vascular components.
		Glomus can be painful, as in this case, and is the "G" of the ANGEL mneumonic for painful cutaneous neoplasms.
	dermatlas.med.jhmi.edu /derm/result.cfm?Diagnosis=2107560276 (489 words)

	GLOMUS-JUGULAR-TUMOR (Site not responding. Last check: 2007-10-08)
		Los tumores de glomus suele crecer muy lentamente y pasar inadvertidos durante años.
		definition: rare benign tumor of vascular tissue that is generally very small and develops in the head and neck.
		Glomus tumors grow slowly and can be asymptomatic for several years.
	www.ugr.es /~oncoterm/csdata/GLOMUS-JUGULAR-TUMOR.html (114 words)

	Glomus Tumor - Wheeless' Textbook of Orthopaedics
		- glomus is a controlled arteriovenous anastomosis or shunt between terminal vessels;
		Glomus tumor of the hallux: case presentation and review of the literature.
		Multiple occurrences of different histologic types of the glomus tumor.
	www.wheelessonline.com /ortho/glomus_tumor (349 words)

	California Ear Institute - (650) 494-1000 - Surgical Procedure: Glomus Tumor Resection
		Re-positioning of normal structures to be retained (such as the Facial Nerve) may be needed for tumor access.
		Tumors may extend intra-cranially and required an approach combining an opening into the brain cavity (called a craniotomy) for safe, and complete removal
		Miscellaneous: As glomus tumors arise from cells that may make chemical substances released into the bloodstream (such as adrenaline), testing is performed prior to tumor removal to identify those tumors that secrete substances which must be provided for in order to accomplish safe resection.
	www.californiaearinstitute.com /services_surgical/glomus_tumor_resection.php (369 words)

	Dr. Koop - Glomus tympanum tumor
		A glomus tympanum tumor is a small, ball-like swelling of the glomus bodies in the middle-ear space.
		Glomus bodies contain nerve fibers that normally respond to changes in body temperature or blood pressure.
		The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition.
	www.drkoop.com /ency/93/001635.html (262 words)

	Glomus Tumors - Capital Region Otolaryngology Head & Neck Group (Site not responding. Last check: 2007-10-08)
		A paraganglioma is a tumor which can originate from cells called Parganglia found in the middle ear, jugular vein and aorta.
		There have been reports of these tumors becoming malignant after radiation therapy.
		Paraganglioma or glomus tumors are named according to where they originate from the middle ear or the jugular vein.
	www.capitaloto.com /glomus.htm (1679 words)

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