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[Giant trichoblastoma].

V Morillo1, P Manrique, S Vildósola

  • 1Servicio de Dermatología, Hospital de Galdakao, Galdakao, Vizcaya, España.

Actas Dermo-Sifiliograficas
|September 19, 2006
PubMed
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Trichoblastoma is a benign skin tumor originating from hair germ cells. This case report details an unusually large trichoblastoma found on the buttock, differing from typical scalp and facial presentations.

Area of Science:

  • Dermatopathology
  • Oncology
  • Surgical Pathology

Background:

  • Trichoblastoma is a benign neoplasm of follicular germ origin.
  • Current classification follows Ackerman's criteria.
  • Typically presents as a small (1-2 cm) nodule on the face or scalp.

Observation:

  • This report describes a large trichoblastoma.
  • The lesion was located on the buttock.
  • This presentation is atypical for trichoblastoma.

Findings:

  • The tumor exhibited differentiation towards hair germ epithelium.
  • Histopathology revealed a dense fibrous stroma, creating a hair bulb-like appearance.
  • Surgical excision was performed for the large buttock lesion.

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Implications:

  • Highlights the importance of considering atypical presentations and locations for trichoblastoma.
  • Contributes to the understanding of the clinical spectrum of benign follicular tumors.
  • Emphasizes the need for accurate histopathological diagnosis for appropriate management.