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{{Infobox_Disease |
__NOTOC__
  Name          = Glomus tumor |
  Image          = |
  Caption        = |
  DiseasesDB    = 30732 |
  ICD10          = |
  ICD9          = |
  ICDO          = 8711/0 |
  OMIM          = 138000 |
  MedlinePlus    = |
  eMedicineSubj  = derm |
  eMedicineTopic = 167 |
  MeshID        = D005918 |
}}
{{SI}}
{{CMG}}


{{Editor Help}}
{{Glomus tumor}}


==Overview==
{{CMG}}; {{AE}} {{JH}}{{STM}}
:'''''Glomus tumor''' was also the name formerly used for a tumor now called a [[paraganglioma]].''


A '''glomus tumor''' (glomangioma) is a rare [[benign]] [[neoplasm]], is a specialized arteriovenous anastomosis usually found in the skin of the extremities.  It arises from the [[glomus body]]. 
{{SK}} Barré-Masson syndrome; Glomangioma; Tumors of popoff; Solitary glomus tumor; Solid glomus tumor


==Presentation==
==[[Glomus tumor overview|Overview]]==


They are usually solitary and small, and can be found under the [[fingernails]].<ref name="pmid17875128">{{cite journal |author=Koç O, Kivrak AS, Paksoy Y |title=Subungual glomus tumour: magnetic resonance imaging findings |journal=Australasian radiology |volume=51 Spec No. |issue= |pages=B107–9 |year=2007 |pmid=17875128 |doi=10.1111/j.1440-1673.2007.01797.x |doi_brokendate=2008-06-22}}</ref> They can also be found on the [[tympanic membrane]].<ref name="pmid11981934">{{cite journal |author=De Candia A, Como G, Passon P, Pedace E, Bazzocchi M |title=Sonographic findings in glomus tympanicum tumor |journal=Journal of clinical ultrasound : JCU |volume=30 |issue=4 |pages=236–40 |year=2002 |pmid=11981934 |doi=10.1002/jcu.10058}}</ref>
==[[Glomus tumor historical perspective|Historical Perspective]]==


They are often painful, and the pain is reproduced when the lesion is placed in cold water.
==[[Glomus tumor classification|Classification]]==


These tumors tend to have a bluish discoloration, although a white appearance is also noted. Elevation of the nail bed can occurr
==[[Glomus tumor pathophysiology|Pathophysiology]]==


==Frequency==
==[[Glomus tumor causes|Causes]]==


United States: The exact incidence of glomus tumors is unknown. The multiple variant is rare, accounting for less than 10% of all cases. The probable misdiagnosis of many of these lesions as hemangiomas or venous malformations also makes an accurate assessment of incidence difficult.
==[[Glomus tumor differential diagnosis|Differentiating Glomus tumor from other Diseases]]==


==Mortality/Morbidity==
==[[Glomus tumor epidemiology and demographics|Epidemiology and Demographics]]==


The most common adverse effect is pain, which is usually associated with solitary lesions. Multiple tumors are less likely to be painful. In one report, a patient with more than 400 glomus tumors had thrombocytopenia as a result of platelet sequestration (ie, Kasabach-Merritt syndrome). Malignant glomus tumors, or glomangiosarcomas, are extremely rare and usually represent a locally infiltrative malignancy. However, metastases do occur and are usually fatal.
==[[Glomus tumor risk factors|Risk Factors]]==


==Sex==
==[[Glomus tumor screening|Screening]]==


Solitary glomus tumors, particularly subungual lesions, are more common in females than in males. Multiple lesions are slightly more common in males.
==[[Glomus tumor natural history|Natural History, Complications and Prognosis]]==
 
==Age==
 
Solitary glomus tumors are more frequent in adults than in others. Multiple glomus tumors develop 10-15 years earlier than single lesions; about one third of the cases of multiple tumors occur in those younger than 20 years. Congenital glomus tumors are rare; they are plaquelike in appearance and are considered a variant of multiple glomus tumors.


==Diagnosis==
==Diagnosis==
[[Glomus tumor diagnostic study of choice|Diagnostic study of choice]] | [[Glomus tumor history and symptoms|History and Symptoms]] | [[Glomus tumor physical examination|Physical Examination]] | [[Glomus tumor laboratory tests|Laboratory Findings]] | [[Glomus tumor electrocardiogram|Electrocardiogram]] | [[Glomus tumor x ray|X Ray]] | [[Glomus tumor echocardiography and ultrasound|Echocardiography and Ultrasound]] | [[Glomus tumor CT|CT scan]] | [[Glomus tumor MRI|MRI]] | [[Glomus tumor other imaging findings|Other Imaging Findings]] | [[Glomus tumor other diagnostic studies|Other Diagnostic Studies]]


===Physical Examination===
==Treatment==
 
[[Glomus tumor medical therapy|Medical Therapy]] | [[Glomus tumor surgery|Surgery]] | [[Glomus tumor cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Glomus tumor future or investigational therapies|Future or Investigational Therapies]]
====Ear Nose and Throat====
 
<div align="left">
<gallery heights="150" widths="150">
Image:Glomus Tympanicum Labeled.jpg|Picture of a left tympanic membrane with  a pulsating red mass occupying the inferior portion of the middle ear space.  The rest of the tympanic membrane is normal<ref>http://www.ghorayeb.com</ref>.
Image:Glomus Tympanicum Labeled Magnified.jpg|Glomus tympanicum magnified<ref>http://www.ghorayeb.com</ref>.
Image:Glomus Tympanicum DRUM 480x360 Labeled.jpg|This patient presented with a history of severe bleeding from the placement of a PE tube in her right ear.  On examination, the posterior half of the tympanic membrane was red and pulsating<ref>http://www.ghorayeb.com</ref>.
Image:Glomus Tympanicum 480x360 Labeled.jpg|Surgical picture of the above patient. A tympanomeatal flap has been elevated and reflected anteriorly to expose the glomus tympanicum that filled the posterior half of the middle ear space<ref>http://www.ghorayeb.com</ref>.
Image:Glomus Tympanicum CT Scan Axial Half.jpg|Axial CT scan showing the glomus tumor growing from the medial wall of the middle ear<ref>http://www.ghorayeb.com</ref>.
Image:Glomus Tympanicum CT Scan Coronal half.jpg|Coronal CT scan showing the glomus tympanicum tumor growing from the medial wall of the middle ear<ref>http://www.ghorayeb.com</ref>.
Image:Glomus Tympanicum SQ 344 Labeled.jpg|Surgical picture of glomus tympanicum in the eft middle ear.  The tympanomeatal flap has been raised and reflected anteriorly<ref>http://www.ghorayeb.com</ref>.
</gallery>
</div>


==Case Studies==
[[Glomus tumor case study one|Case #1]]


===MRI===
==Related Chapters==
 
([http://www.radswiki.net Images courtesy of RadsWiki])
 
<gallery>
Image:Glomus-jugulare-001.jpg|Glomus tumor
Image:Glomus-jugulare-002.jpg|Glomus tumor
Image:Glomus-jugulare-003.jpg|Glomus tumor
Image:Glomus-jugulare-004.jpg|Glomus tumor
Image:Glomus-jugulare-005.jpg|Glomus tumor
Image:Glomus-jugulare-006.jpg|Glomus tumor
Image:Glomus-jugulare-007.jpg|Glomus tumor
Image:Glomus-jugulare-008.jpg|Glomus tumor
Image:Glomus-jugulare-009.jpg|Glomus tumor
Image:Glomus-jugulare-010.jpg|Glomus tumor
</gallery>
 
==See also==
* [[Coccygeal glomus]]
* [[Coccygeal glomus]]


==References==
{{Epithelial neoplasms}}
* {{DukeOrtho|glomus_tumor}}


==External links==
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[[Category:Otolaryngology]]
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Latest revision as of 22:49, 30 July 2019


Glomus tumor Microchapters

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Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Glomus tumor from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Study of Choice

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

X Ray

Echocardiography and Ultrasound

CT scan

MRI

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

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Case #1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Jesus Rosario Hernandez, M.D. [2]Soujanya Thummathati, MBBS [3]

Synonyms and keywords: Barré-Masson syndrome; Glomangioma; Tumors of popoff; Solitary glomus tumor; Solid glomus tumor

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Glomus tumor from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic study of choice | History and Symptoms | Physical Examination | Laboratory Findings | Electrocardiogram | X Ray | Echocardiography and Ultrasound | CT scan | MRI | Other Imaging Findings | Other Diagnostic Studies

Treatment

Medical Therapy | Surgery | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1

Related Chapters

Template:Epithelial neoplasms


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