title: Multiple metastatic malignant phyllodes tumor of the breast with tonsillar metastasis: a case report.
abstract: BACKGROUND
  Tonsillar metastasis is very rare and accounts for only 0.8% of tonsillar tumors. And phyllodes tumor of the breast with tonsillar metastasis is very rare.
  
  
  METHODS
  A 57-year-old Japanese woman received surgery (partial mastectomy) of malignant phyllodes tumor. Seven months after initial surgery, pharyngeal pain, swelling, and a feeling of dyspnea developed, and tumor was found in the left palatine tonsil. Computed tomography for further evaluation showed a tonsillar lesion with contrast enhancement, and tonsillar metastasis was suspected. The metastatic lung tumors had not progressed. Laryngoscopic biopsy showed a tonsillar metastasis from the malignant phyllodes tumor. Despite the diagnosis of malignant phyllodes tumor with tonsillar and pulmonary metastases, the patient refused further treatment and died about 1 month later.
  
  
  CONCLUSIONS
  A patient with a malignant phyllodes tumor of the breast and tonsillar metastasis was reported, along with a discussion of the relevant literature of this very rare pattern of metastasis.
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Tomohiro
authors.initials: T
authors.lastname: Sera
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan. spqv9ke9@view.ocn.ne.jp.
authors.forename: Shinichiro
authors.initials: S
authors.lastname: Kashiwagi
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Tsutomu
authors.initials: T
authors.lastname: Takashima
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Yuka
authors.initials: Y
authors.lastname: Asano
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Wataru
authors.initials: W
authors.lastname: Goto
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Nozomi
authors.initials: N
authors.lastname: Iimori
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Satoru
authors.initials: S
authors.lastname: Noda
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Naoyoshi
authors.initials: N
authors.lastname: Onoda
authors.affiliation: Department of Diagnostic Pathology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Masahiko
authors.initials: M
authors.lastname: Ohsawa
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Kosei
authors.initials: K
authors.lastname: Hirakawa
authors.affiliation: Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, Japan.
authors.forename: Masaichi
authors.initials: M
authors.lastname: Ohira
mesh_terms: D001940:Breast / Q000473:pathology; D001943:Breast Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D017809:Fatal Outcome; D005260:Female; D006801:Humans; D007564:Japan; D008207:Lymphatic Metastasis; D008875:Middle Aged; D009362:Neoplasm Metastasis; D003557:Phyllodes Tumor / Q000000981:diagnostic imaging / Q000473:pathology*; D014057:Tomography, X-Ray Computed; D014067:Tonsillar Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*
keywords: Breast tumor; Malignant; Phyllodes tumor; Surgery; Tonsillar metastasis