|Description||This chapter describes the dermoscopyThe examination of [skin lesions] with a 'dermatoscope'. This traditionally consists of a magnifier (typically x10), a non-polarised light source, a transparent plate and a liquid medium between the instrument and the skin, and allows inspection of skin lesions unobstructed by skin surface reflections. Modern dermatoscopes dispense with the use of liquid medium and instead use polarised light to cancel out skin surface reflections. aspect of subungual glomus cell tumors|
|Author(s)||Luc Thomas · Amélie Boespflug|
|Responsible author||Luc Thomas → send e-mail|
|Status update||June 25, 2018|
|Status by||Ralph P. Braun|
Glomus-cell tumors are rare benign harmatomas of the glomus body, a specialized arteriovenous anastomosis located in the stratum reticularis of the dermis that is involved in thermoregulation. They represent 1-5% of soft tissue tumors of the hand  and are mostly located in subungual locations even if they can also rarely appear in extra-digital areas.
Clinically they appear in young adults (20-40 years) as small painful reddish subungual tumefactions. Pain is increased by pressure and by exposure to cold temperatures.
Nail plate dermoscopy can reveal the presence a structureless purple or blue spot through the nail plate or may find numerous ramifying vesselsThis glossary term has not yet been described. within a homogeneous red-blue tumor,.
The treatment of glomus-cell tumors consists of a complete surgical removal of the lesion with histological examination. Intra-operative dermoscopy can help delimitate the tumor for an optimal resection, after anesthetic block, the use of a tourniquet (to avoid excessive bleeding) and careful avulsion of the nail plate.
ReferencesThis is material contained in a footnote or bibliography holding further information.
- Goldblum JR, Folpe AL, Weiss SW. Perivascular tumours. In: Goldblum JR, Folpe AL, Weiss SW, editors. Enzinger and Weiss’s soft tissue tumours. 6th ed. Philadelphia: Elsevier; 2014. p. 749-65.
- Soule EH, Ghormley RK, Bulbulian AH. Primary tumors of the soft tissues of the extremities exclusive of epithelial tumors: an analysis of five hundred consecutive cases. AMA Arch Surg 1955;70:462- 74.
- Maehara LS, Ohe EM, Enokihara MY, et al. Diagnosisis the identification of the nature and cause of a certain phenomenon. Diagnosis is used in many different disciplines with variations in the use of logic, analytics, and experience to determine "cause and effect". In systems engineering and computer science, it is typically used to determine the causes of symptoms, mitigations, and solutions of glomus tumor by nail bed and matrix dermoscopy. An Bras Dermatol. 2010;85:236-238. 43. Haenssle HA, Blum A, Hofmann-Wellenhof R, et al.
- When all you have is a dermatoscopeThis traditionally consists of a magnifier (typically x10), a non-polarised light source, a transparent plate and a liquid medium between the instrument and the skin, and allows inspection of skin lesions unobstructed by skin surface reflections. Modern dermatoscopes dispense with the use of liquid medium and instead use polarised light to cancel out skin surface reflections.- start looking at the nailsThis glossary term has not yet been described.. Dermatol Pract Concept. 2014;4:11-20.