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Proliferating trichilemmal tumours.

R Naik1, S Bharathi, B M Bai

  • 1Dept. of Pathology, Kasturba Medical College, Mangalore India.

Indian Journal of Pathology & Microbiology
|April 1, 1990
PubMed
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This study reports twelve cases of proliferating trichilemmal tumors, a rare benign skin growth originating from hair follicles. Understanding these tumors is crucial to prevent misdiagnosis as squamous cell carcinoma.

Area of Science:

  • Dermatopathology
  • Oncology

Background:

  • Proliferating trichilemmal tumors (PTTs) are uncommon skin neoplasms.
  • These benign tumors can exhibit local invasiveness.
  • Accurate diagnosis is essential to differentiate from malignant lesions.

Purpose of the Study:

  • To report twelve cases of proliferating trichilemmal tumors.
  • To highlight the clinical and pathological characteristics of PTTs.
  • To emphasize the importance of recognizing PTTs to avoid misdiagnosis.

Main Methods:

  • Case series reporting twelve patients with PTTs.
  • Histopathological examination of tumor samples.
  • Review of clinical presentation and follow-up data.

Main Results:

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  • Twelve cases of PTTs were identified.
  • Tumors originated from the outer root sheath of hair follicles.
  • PTTs demonstrated benign but locally invasive behavior.

Conclusions:

  • Proliferating trichilemmal tumors are rare, benign neoplasms of hair follicle origin.
  • Local invasiveness necessitates adequate knowledge for correct diagnosis.
  • Distinguishing PTTs from squamous cell carcinoma is critical in dermatopathology.