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Cancer of the anus.

J S Spratt1

  • 1J. Graham Brown Cancer Center, Louisville, Kentucky 40202, USA. jsspra01@ulkyvm.louisville.edu

Journal of Surgical Oncology
|July 29, 2000
PubMed
Summary
This summary is machine-generated.

Anorectal cancers are rare. Treatment varies by type and stage, with local control prioritized. Surgical options range from excision to abdominoperineal resection for recurrences, while lymph node management is crucial for certain types.

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Area of Science:

  • Oncology
  • Surgical Oncology

Background:

  • Anorectal cancers, including squamous cell carcinoma, melanoma, and clear-cell types, represent infrequent neoplasms.
  • Treatment strategies for these cancers are diverse and depend on histological subtype and disease extent.

Purpose of the Study:

  • To outline the management principles for various types of anal cancers.
  • To discuss the role of local treatments, chemoirradiation, and surgical resection in different clinical scenarios.

Main Methods:

  • Review of treatment modalities for keratinizing squamous, nonkeratinizing, clear-cell, and melanoma anal cancers.
  • Discussion of surgical approaches including local excision, laser ablation, and abdominoperineal resection.
  • Evaluation of the indications for prophylactic and therapeutic lymph node management.

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Main Results:

  • Small, non-invasive keratinizing squamous anal cancers can be managed with local excision or laser ablation.
  • Larger or more advanced squamous anal cancers may necessitate chemoirradiation, with abdominoperineal resection reserved for recurrent disease.
  • Melanoma and clear-cell anal cancers are generally not curable, with a focus on achieving local control through surgical objectives.
  • Prophylactic groin dissection is not routinely indicated, but may be curative or palliative for patients with enlarged lymph nodes or positive sentinel node biopsies.

Conclusions:

  • Treatment for anal cancers requires a tailored approach based on histology and stage.
  • Local control is a primary goal, especially for non-squamous types.
  • Lymph node management, particularly in cases of palpable adenopathy or positive sentinel nodes, plays a significant role in outcomes.