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Related Experiment Videos

Malignant proliferating trichilemmal tumor.

E D Mathis1, J B Honningford, H E Rodriguez

  • 1Department of Surgery, Catholic Health Partners, Chicago, Illinois, USA.

American Journal of Clinical Oncology
|July 28, 2001
PubMed
Summary

Malignant proliferating trichilemmal tumors are rare scalp neoplasms. This case highlights a patient diagnosed with a malignant variant, emphasizing the need for vigilant monitoring due to high recurrence rates.

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Area of Science:

  • Dermatopathology
  • Oncology

Background:

  • Proliferating trichilemmal tumors (PTTs) are uncommon skin neoplasms.
  • While typically benign, PTTs exhibit a propensity for local recurrence.

Observation:

  • A 1 cm subcutaneous nodule on the right occiput was evaluated.
  • The lesion was mobile and lacked overlying skin ulceration.

Findings:

  • Excisional biopsy confirmed a malignant proliferating trichilemmal (pilar) tumor.
  • Surgical margins were clear, and no metastatic disease was detected.

Implications:

  • This case underscores the importance of accurate diagnosis and complete resection of malignant PTTs.
  • Routine follow-up is crucial to detect and manage potential local recurrences.

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