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[Multiple eccrine spiradenomas in a linear nevoid pattern].

F Eckert1, U Hohenleutner, M Landthaler

  • 1Dermatologische Klinik und Poliklinik, Ludwig-Maximilians-Universität München.

Der Hautarzt; Zeitschrift Fur Dermatologie, Venerologie, Und Verwandte Gebiete
|December 1, 1990
PubMed
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A 16-year-old boy had unusual skin lesions on his thorax. Histology confirmed these were benign eccrine spiradenomas, a rare skin tumor.

Area of Science:

  • Dermatology
  • Pathology
  • Oncology

Background:

  • Eccrine spiradenomas are benign adnexal neoplasms originating from eccrine sweat glands.
  • Linear and whorled nevoid hypermelanosis (LWNH) is a rare, usually congenital, cutaneous mosaicism characterized by linear or whorled hyperpigmented streaks.
  • Blaschko's lines represent the lines of embryonic development, and certain dermatoses follow these patterns.

Observation:

  • A 16-year-old male presented with multiple, slightly painful, bluish-red papules and plaques on the left thorax.
  • The lesions exhibited a distinct linear and arched arrangement, conforming to Blaschko's lines.
  • Initial clinical differential diagnoses included leiomyomas, syringomas, or glomus tumors.

Findings:

  • Histopathological examination was crucial for definitive diagnosis.

Related Experiment Videos

  • Microscopic analysis revealed characteristic features of benign eccrine spiradenomas.
  • The histological findings confirmed the benign nature of the observed skin lesions.

    • Implications:

    • This case highlights the importance of histopathological correlation in diagnosing cutaneous lesions, especially those with unusual presentations.
    • The Blaschko-linear distribution of benign eccrine spiradenomas, while rare, expands the spectrum of conditions that can manifest along these developmental lines.
    • Understanding such presentations aids in accurate diagnosis and management of adnexal tumors.