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Meyerson-naevusL30.8

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 08.03.2023

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Synonym(s)

Halo dermatitis around nevus cellnaevi; Halo-eczema around Naevuszellnaevi; Meyersonnaevus; Meyerson Naevus; Meyerson Phenomenon; Nevuscellnaevus

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HistoryThis section has been translated automatically.

Meyerson 1971

DefinitionThis section has been translated automatically.

Spontaneously occurring, halo-shaped eczematous reaction around a melanocytic nevus, corresponding to the pigment-free halo nevus.

EtiopathogenesisThis section has been translated automatically.

Unexplained, a Köbner phenomenon is discussed in the context of atopic eczema, pityriasis rosea or psoriasis vulgaris.

ManifestationThis section has been translated automatically.

Predominantly occurring in middle-aged men.

ClinicThis section has been translated automatically.

Sudden, halo-shaped redness and scaling of most or all of a patient's melanocytic nevi in the form of a reddened, slightly scaly, 0.1- 1.0-cm-wide fringe. Occurrence usually in summer. Such (isomorphic irritant) effects are also observed in seborrheic keratoses, e.g. in psoriasis vulgaris (Meyerson phenomenon).

HistologyThis section has been translated automatically.

Enforcing the melanocyte nests with an infiltrate containing numerous eosinophil granulocytes. In the marginal area epidermal changes in the form of parakeratosis, spongiosis, acanthosis as well as epidermotropy of leucocytes.

Differential diagnosisThis section has been translated automatically.

Halo-nevus.

TherapyThis section has been translated automatically.

Mild antiecematous local therapy, e.g. with 1% hydrocortisone in Vaseline. Later excision.

Progression/forecastThis section has been translated automatically.

Spontaneous regression tendency of eczema. The melanocytic nevi always remain unchanged.

Note(s)This section has been translated automatically.

Over time, cases of "eczematous" or even psoriatic reactions have been described around basal cell carcinomas, spinocellular carcinomas, dermatofibromas, seborrheic keratoses and nevi flammei, so that the generalizing name "Meyerson phenomenon" has become established.

LiteratureThis section has been translated automatically.

  1. Wall A, Disciple H (1991) Halo dermatitis around naevuscellnaevi (Meyer- son-Naevi). Act Dermatol 17: 22-24
  2. Nicholl's DSH, Mason GH (1988) Halodermatitis around a melanocytic naevus: Meyerson's naevus. Br J Dermatol 118: 125-129
  3. Hofer T (2002): Meyerson-Naevus as primary medallion of a pityriasis rosea. Gibert. dermatologist 53: 338-341
  4. Meyerson LB (1971) Peculiar papulous squamous eruption involving pigmentet naevi. Arch Dermatol 103: 510-512
  5. Simopn V et al (2011) Eczema disguises a naevus flammeus - the Meyerson phenomenon. JDDG 9: 305-307

Authors

Last updated on: 08.03.2023

Author: Prof. Dr. med. Peter Altmeyer