Lymph node metastasis from breast cancer diagnosed by F-18 FDG whole-body PET (case report)

Hirofumi Fujii, Kohji Enomoto, Tadashi Ikeda, Takashi Hojo, Seiei Yasuda, Michiru Ide, Akira Shohtsu, Kaori Kameyama, Atsushi Kubo

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


We report a 48-year-old woman with lymph node (LN) metastases from breast cancer in whom diagnosis was difficult by conventional imaging methods but easy by F-18 fluorodeoxyglucose (FDG) PET. She was given a diagnosis of right breast cancer and then unde~ent modified radical mastectomy in December 1997. During routine CT and US studies in September 1998, a questionable LN measuring 1 cm in diameter was detected in the right supraclavicular region, but a definitive diagnosis of this LN was difficult by these tests. The patient underwent FDG PET test, which showed strong nodular activity (SUV= 7.1) in the right supraclavicular region, indicating a metastatic lesion. Moreover, an unexpected second metastatic LN lesion (SUV=5.5) in the medial aspect of the right axillary was diagnosed by PET. The PET results were confirmed by pathological examination of the surgical specimens. FDG PET is a useful tool to detect small malignant lesions that are not easily diagnosed by conventional imaging techniques such as CT and US. It is expected that PET test will be feasible at many institutions.

Original languageEnglish
Pages (from-to)165-168
Number of pages4
JournalBreast Cancer
Issue number2
Publication statusPublished - 2000 Apr
Externally publishedYes


  • Breast cancer
  • F-18 fluorodeoxyglucose (FDG)
  • Lymph node metastasis
  • Positron Emission Tomography (PET)

ASJC Scopus subject areas

  • Oncology
  • Radiology Nuclear Medicine and imaging
  • Pharmacology (medical)


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