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Related Experiment Videos

[Malignant skin neoplasms].

Y Stern1, T Shpitzer, K Segal

  • 1Dept. of Otolaryngology, Beilinson Medical Center, Petah Tikva.

Harefuah
|December 2, 1990
PubMed
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Malignant skin tumors of the ear recur and metastasize more often than other skin cancers. Complete surgical removal with clear margins is crucial for reducing recurrence and metastasis risk.

Area of Science:

  • Dermatology
  • Oncology
  • Otolaryngology

Background:

  • Malignant skin neoplasms of the auricle and peri-auricular region are rare, comprising 6% of all skin cancers.
  • These neoplasms exhibit higher recurrence and metastasis rates compared to other cutaneous malignancies.
  • Basal cell carcinoma (53.1%), squamous cell carcinoma (39.5%), and malignant melanoma (7.4%) are the primary types observed.

Purpose of the Study:

  • To analyze the characteristics, treatment, and outcomes of malignant skin neoplasms affecting the auricle and peri-auricular region.
  • To identify risk factors and correlations associated with recurrence and metastasis in these specific skin cancers.
  • To establish recommendations for optimal management and follow-up of auricle malignancies.

Main Methods:

Related Experiment Videos

  • Retrospective analysis of 81 patients diagnosed with malignant skin neoplasms of the auricle.
  • Surgical excision as the primary treatment modality, with adjuvant irradiation in select cases.
  • Evaluation of recurrence rates, regional lymph node metastasis, and correlation with surgical margins.

    • Main Results:

    • The neoplasms were more prevalent in men, individuals of Ashkenazi origin (75%), and the elderly (peak incidence in the 7th decade).
    • Overall recurrence rate was 12.4%; regional lymph node metastasis rate for squamous cell carcinoma was 12.5%.
    • A significant correlation was observed between positive surgical margins and increased rates of recurrence and regional metastasis.

    Conclusions:

    • Malignant skin neoplasms of the auricle are high-risk lesions with a propensity for recurrence and metastasis.
    • Adequate surgical excision achieving negative margins is essential for improving patient outcomes.
    • Close and frequent follow-up evaluations are recommended for patients treated for these malignancies.