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[Atypical pigmented penile macules].

C Laguna1, G Pitarch, E Roche

  • 1Servicio de Dermatología, Hospital General Universitario de Valencia, Valencia, España. cecipru@comv.es

Actas Dermo-Sifiliograficas
|September 19, 2006
PubMed
Summary
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Genital melanotic macules present as irregular pigmented lesions, often mistaken for melanoma. Histopathology confirms benign melanotic macules, distinguishing them from cancerous growths.

Area of Science:

  • Dermatology
  • Pathology

Background:

  • Pigmented lesions on the penis require careful differential diagnosis.
  • Distinguishing benign conditions from malignant melanoma is crucial for patient management.

Observation:

  • Two cases of penile pigmented lesions with multifocal, irregular macules and variegated pigmentation are presented.
  • These lesions were asymptomatic and clinically mimicked mucocutaneous melanoma.

Findings:

  • Histologic examination revealed basal layer hyperpigmentation without melanocytic atypia or proliferation.
  • The definitive diagnosis for both patients was melanotic macules.

Implications:

  • Genital melanotic macules can have an atypical clinical appearance, leading to misdiagnosis.

Related Experiment Videos

  • Histopathological analysis is essential to differentiate benign melanotic macules from penile melanoma.