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Connective Tissue Oncology Society

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2002 CTOS Annual Meeting Oral Presentations — Surgery

DESMOID TUMORS. A CLINICAL REVIEW OF 30 PATIENTS WITH MORE THAN 20 YEARS FOLLOW-UP
[Abstract ID: 50]

Category: Surgery

Presentation: Young Investigator

Authors: Mikael Dalén1, Peter Bergh1, Björn Gunterberg1

Author Institutions: 1Department of Orthopaedic Surgery, Gothenburg, Sweden

Presenter: Mikael Dalén
Email: mikaeldalen@hotmail.com

Correspondent: Mikael Dalén
mikaeldalen@hotmail.com
Gothenburg Sweden SE-413 45
Ph: 0046 31 3424433
Fax: 0046 31 825599


Objectives: Thirty patients with desmoid tumors treated at our department with more than 20 years follow-up (mean 28 years) were reviewed.

Methods: Twenty patients were women, 10 were men with a mean age of 39 years. The tumors were located in the abdominal wall (7), upper extremity (6), lower extremity (6), back (5), thoracic wall (4), head-and-neck region (1). One patient presented with multifocal tumors. Largest mean tumor diameter was 7 cm. Twenty-nine patients had surgery, 3 of which had additional radiotherapy. One patient received adjuvant antioestrogen therapy (Tamoxifen®). The surgical margins were intralesional in 6 tumors, marginal in 13 tumors and wide/compartmental in 10 tumors. One patient had radiotherapy alone.

Results: Two patients died of non-tumor related causes. Sixteen patients were continuously disease free (CDF). At follow-up, all patients but 1 were free of symptoms. Thirteen patients had no evidence of disease (NED), two of which were primarily operated with debulking surgery. Six patients had mild to moderate post-treatment symptoms. One patient was alive with disease (AWD). She was operated on three times and had additional radiotherapy as well as antioestrogen therapy. At follow-up the patient had disabling symptoms. The overall recurrence rate was 44%. A less tendency for recurrence was evident in patients operated with a wide or compartmental excision. Three tumors disappeard spontaneously.

Conclusions: Patients operated with a wide or compartmental margin had the least risk to develop recurrent tumor. Observation alone might be considered in selected cases.


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