Mastocytosis

From dermoscopedia

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 Editor: Aimilios Lallas

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Description This chapter describes dermoscopy of cutaneous mastocytosis
Author(s) Sabine Ludwig · Aimilios Lallas
Responsible author Aimilios Lallas → send e-mail
Status unknown
Status update July 11, 2017
Status by Ralph P. Braun


Mastocytosis

For cutaneous mastocytosis four dermoscopic patterns have been defined: light-brown blot, pigment network, reticular vascular pattern, and yellow-orange blot. [1][2] Dermoscopic pattern varies depending on the subtype [2]: In maculopapular mastocytosis, light-brown blot and pigment network predominate. In solitary mastocytoma, a yellow orange blot is typical. In all cases of telangiectasia macularis eruptiva perstans, a reticular vascular pattern is present. The reticular pattern of the vessels is even proved associated with an increased risk of need for daily use of anti-mediator medication. Therefore, dermoscopy in combination with other variables could provide additional help in the identification of patients at risk for more severe symptoms.


  1. ↑ Akay et al.: Dermatoscopic findings of cutaneous mastocytosis. Dermatology (Basel) 2009;218:226-30. PMID: 19060465. DOI.
  2. ↑ 2.02.1 Vano-Galvan et al.: Dermoscopic features of skin lesions in patients with mastocytosis. Arch Dermatol 2011;147:932-40. PMID: 21844452. DOI.

This glossary term has not yet been described.

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The 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.

is a form of mastocytosis that primarily affects the skin. There are three main forms of the condition: maculopapular cutaneous mastocytosis (also called urticaria pigmentosa), solitary cutaneous mastocytoma, and diffuse cutaneous mastocytosis. There is also an exteremely rare form called telangiectasia macularis eruptiva perstans. The signs, symptoms and severity of the condition vary by subtype.

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This glossary term has not yet been described.

Grid-like pattern consisting of interconnecting pigmented lines surrounding hypopigmented holes.

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This glossary term has not yet been described.

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