Journal of Gastroenterology

, Volume 44, Issue 6, pp 562–567 | Cite as

Usefulness of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) for undiagnosed intra-abdominal lymphadenopathy

  • Osamu Nakahara
  • Kenji Yamao
  • Vikram Bhatia
  • Akira Sawaki
  • Nobumasa Mizuno
  • Tadayuki Takagi
  • Yasuhiro Shimizu
  • Takashi Koshikawa
  • Yasushi Yatabe
  • Hideo Baba
Original Article—Alimentary Tract

Abstract

Background

The differentiation between benign and malignant abdominal lymph nodes is difficult, especially if no primary site is evident or if cancer resection was remote in time. The aim of this study was to evaluate the yield of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) in patients with undiagnosed intra-abdominal lymphadenopathy.

Methods

Fifty-seven consecutive patients with undiagnosed abdominal lymphadenopathy who were registered in our EUS-FNA database from January 1997 to December 2007 were reviewed. EUS-FNA was carried out using a 22-G needle. The final pathological diagnosis was based on the cytopathological, histological, and immunohistochemical (IHC) findings.

Results

Adequate specimens were obtained in 93% cases. The final diagnoses included local recurrence of malignancy after resection (n = 16), lymphoma (n = 12), and benign/reactive changes (n = 17). The sensitivity, specificity, positive predictive value, negative predictive value and overall accuracy of EUS-FNA were 94, 100, 100, 90 and 96%, respectively. In addition, it was also possible to classify lymphoma subtypes in 83% of cases. No complications occurred during the procedures.

Conclusions

EUS-FNA is clinically very useful for establishing the diagnosis of abdominal lymphadenopathy of unknown cause and can provide sufficient tissue for IHC and subtyping of lymphomas.

Keywords

EUS-FNA Lymphadenopathy Cytology Histology 

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Copyright information

© Springer 2009

Authors and Affiliations

  • Osamu Nakahara
    • 1
    • 6
  • Kenji Yamao
    • 1
  • Vikram Bhatia
    • 2
  • Akira Sawaki
    • 1
  • Nobumasa Mizuno
    • 1
  • Tadayuki Takagi
    • 1
  • Yasuhiro Shimizu
    • 3
  • Takashi Koshikawa
    • 4
  • Yasushi Yatabe
    • 5
  • Hideo Baba
    • 6
  1. 1.Department of GastroenterologyAichi Cancer Center HospitalNagoyaJapan
  2. 2.Institute of Liver and Biliary SciencesNew DelhiIndia
  3. 3.Department of Gastrointestinal SurgeryAichi Cancer Center HospitalNagoyaJapan
  4. 4.Aichi Prefectural College of Nursing and HealthNagoyaJapan
  5. 5.Department of Pathology and GeneticsAichi Cancer Center HospitalNagoyaJapan
  6. 6.Department of Gastroenterological Surgery Graduate School of Medical SciencesKumamoto UniversityKumamotoJapan

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