PURE-LAMP procedure for the diagnosis of extrapulmonary tuberculosis: A case series

Yuji Kouzaki, Kei Mikita, Takuya Maeda, Masashi Ishihara, Shuichi Kawano, Yuji Fujikura, Kazuo Imai, Soichiro Kanoh, Kazuho Utsunomiya, Masahiro Inoue, Yasushi Miyahira, Akihiko Kawana

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


Although the polymerase chain reaction is effective for the diagnosis of extrapulmonary tuberculosis (EPTB), it is typically unavailable in resource-limited situations. In contrast, the loop-mediated isothermal amplification (LAMP) assay is a relatively cost-effective and accessible method. Additionally, when combined with the procedure for ultra-rapid extraction (PURE) kit, which enables simple DNA extraction, LAMP can detect Mycobacterium tuberculosis in sputum within 1.5 hours using a simple procedure. In this study, we investigated the utility of the PURE-LAMP technique to diagnose three cases of EPTB and showed that it may potentially be a valuable tool for the diagnosis of EPTB.

Original languageEnglish
Pages (from-to)1447-1450
Number of pages4
JournalInternal Medicine
Issue number11
Publication statusPublished - 2015 Jun 1
Externally publishedYes


  • Diagnosis
  • Extrapulmonary tuberculosis
  • Loop-mediated isothermal amplification
  • Mycobacterium tuberculosis
  • Procedure for ultra-rapid extraction

ASJC Scopus subject areas

  • Internal Medicine


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