Neurofibromatosis 1 presenting with multiple duodenal GISTS associated with a somatostatin-producing D cell neoplasm

Riccardo Ricci, Maurizio Martini, Giovanni Serio, Clementina Zampatti, Andrea Ballabio, Francesco Zurleni

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

6 Citazioni (Scopus)

Abstract

The co-existence of a duodenal somatostatin-producing D cell neoplasm and multiple duodenal gastrointestinal stromal tumours (GISTs) in a 61-year-old woman with neurofibromatosis type 1 is reported. Histologically, the D cell neoplasm showed a glandular pattern with psammoma bodies and was metastatic to regional lymph nodes and liver at the time of surgery. Tumour cells were monomorph and showed intense and diffuse immunoreactivity for somatostatin, focal positivity for calcitonin, while were negative for other gastroenteropancreatic hormones including insulin, glucagon, pancreatic polypeptide, serotonin and gastrin. Four submucosal and subserosal GISTs, ranging from 5 to 15 mm in diameter, were composed of uniform spindle-shaped cells lacking mitoses and contained numerous skeinoid fibres. The tumours were positive for CD117, DOG1, vimentin and CD34 and did not have KIT or PDGFRA mutations. The clinical and pathological importance of this unusual association is discussed.
Lingua originaleEnglish
pagine (da-a)100-105
Numero di pagine6
RivistaEndocrine Pathology
Volume24
DOI
Stato di pubblicazionePubblicato - 2013

Keywords

  • Biomarkers, Tumor
  • Diagnosis, Differential
  • Duodenal Neoplasms
  • Fatal Outcome
  • Female
  • Gastrointestinal Stromal Tumors
  • Humans
  • Liver Neoplasms
  • Middle Aged
  • Neurofibromatosis 1
  • Somatostatin

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