International Journal of Colorectal Disease

, Volume 25, Issue 1, pp 97–107 | Cite as

Truncating mutations in Peutz-Jeghers syndrome are associated with more polyps, surgical interventions and cancers

  • Heidi Salloch
  • Anke Reinacher-Schick
  • Karsten Schulmann
  • Christian Pox
  • Jörg Willert
  • Andrea Tannapfel
  • Stefan Heringlake
  • Timm O. Goecke
  • Stefan Aretz
  • Susanne Stemmler
  • Wolff Schmiegel
Original Article

Abstract

Background and Goals

Peutz-Jeghers syndrome (PJS) is a rare autosomal dominant polyposis syndrome caused by STK11 germline mutations. PJS is associated with an increased risk of cancer. In our cohort, clinical and phenotypic parameters were correlated with genotypic findings and patients were prospectively followed by surveillance.

Study

Thirty-one patients treated between 2000 and 2006, were evaluated. STK11 genotyping was performed and phenotypes of patients with truncating (TM) and nontruncating mutations (NTM) were compared.

Results

Median age at first symptoms was 11 years and complications occurred before the age of ten in 42% of patients. STK11 mutations were detected in 16 of 22 families (12 TM; four NTM). Patients with TM had more surgical gastrointestinal (GI) interventions (p = 0.021), and female patients in the TM group had an increased risk of undergoing gynecological surgery (p = 0.016). Also, there was a trend towards a higher polyp count (p = 0.11) and earlier age at first polypectomy (p = 0.13) in the TM group. Ten carcinomas were detected in six patients resulting in a cancer risk of 65% up to the age of 65 years. Patients with TM tended to develop more cancers (p = 0.10). Importantly, our surveillance strategy used detected 50% of cancers (n = 5) at an early potentially curable stage.

Conclusions

Our study shows that almost half of PJ patients have complications early in life independent of mutational status. Patients with TM require more surgical GI interventions and tend to develop more polyps and cancers. Furthermore, close surveillance detects early stage cancers in patients. We propose that surveillance should be started as early as 8 years in all patients to avoid complications. Moreover, patients with TM may benefit from surveillance at shorter intervals.

Keywords

Peutz-Jeghers syndrome STK11 germline mutation Cancer risk Genotype phenotype correlations Surveillance 

Notes

Acknowledgement

We want to thank all participating patients, colleagues and institutions throughout Germany who contributed patient data to this study. This work was supported in part by the German Cancer Aid (Deutsche Krebshilfe) grant “Familiärer Darmkrebs” to W.S. All authors disclose having no financial arrangement(s) with a company whose product figures prominently in the manuscript or with a company making a competing product. There was no writing assistance received.

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Heidi Salloch
    • 1
  • Anke Reinacher-Schick
    • 1
  • Karsten Schulmann
    • 1
  • Christian Pox
    • 1
  • Jörg Willert
    • 2
  • Andrea Tannapfel
    • 3
  • Stefan Heringlake
    • 1
  • Timm O. Goecke
    • 4
  • Stefan Aretz
    • 5
  • Susanne Stemmler
    • 6
  • Wolff Schmiegel
    • 1
    • 2
  1. 1.Medical Department, KnappschaftskrankenhausRuhr-University BochumBochumGermany
  2. 2.Division of Gastroenterology and Hepatology, University Clinic BergmannsheilRuhr-University BochumBochumGermany
  3. 3.Institute of PathologyRuhr-University BochumBochumGermany
  4. 4.Institute of Human GeneticsHeinrich-Heine UniversityDüsseldorfGermany
  5. 5.Institute of Human GeneticsUniversity of BonnBonnGermany
  6. 6.Human GeneticsRuhr-University BochumBochumGermany

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