Cancer Res Treat.  2001 Dec;33(6):458-462.

Clinical Analysis of Phyllodes Tumor of the Breast

Affiliations
  • 1Department of Surgery, Gachon Medical School, Gil Medical Center, Incheon, Korea. hgjhp@hanmail.net
  • 2Department of Oncology, Gachon Medical School, Gil Medical Center, Incheon, Korea.
  • 3Department of Pathology, Gachon Medical School, Gil Medical Center, Incheon, Korea.

Abstract

PURPOSE: Phyllodes tumors are fibroepithelial mammary lesions that tend to behave in a benign fashion but may undergo sarcomatous transformation. They account for 0.3 to 0.5 percent of all breast tumors. Their behavior is not well understood by many clinicians.
MATERIALS AND METHODS
We retrospectively reviewed the clinical, radiologic, and pathologic finding and treatment modality of 31 patients of phyllodes tumor diagnosed at the Breast Clinic, Gachon Medical School Gil Medical Center between July 1992 and July 2000.
RESULTS
Pathologically, 6 patients (19.3%) had malignant tumor and 25 patients (80.7%) had benign lesions. All were women with average age of 36 years. The patients with malignant tumors tended to be older and had larger tumors and shorter duration. For preoperative diagnosis, we used mammography, sonography, and MIBI Scintimammography, fine needle aspiration cytology and biopsy. All these diagnostic methods suggested the diagnosis of phyllodes tumors in only 8 cases (26%). All patients received surgical treatment: excision in 21 cases, wide excision in 3 cases, simple mastectomy in 5 cases, and simple mastectomy with axillary lymph node dissection 2 cases. One patient with malignant tumor, two patients with borderline tumor and three patients with benign tumor experienced recurrence (19.3%).
CONCLUSION
None of the clinical or radiologic characteristics was useful in predicting for phyllodes tumor. Phyllodes tumors were difficult to make proper preoperative diagnoses and to differ malignant tumor from a benign one. This led to a simple excision and resulted in high local recurrence. We suggest that the initial or subsequent wide excision is an appropriate surgery to decrease the recurrence.

Keyword

Phyllodes tumor; Breast

MeSH Terms

Biopsy
Biopsy, Fine-Needle
Breast Neoplasms
Breast*
Diagnosis
Female
Humans
Lymph Node Excision
Mammography
Mastectomy, Simple
Phyllodes Tumor*
Recurrence
Retrospective Studies
Schools, Medical
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