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Acta Neuropathologica

, Volume 125, Issue 6, pp 911–912 | Cite as

VE1 immunohistochemistry in pituitary adenomas is not associated with BRAF V600E mutation

  • Jan Sperveslage
  • Midea Gierke
  • David Capper
  • Jürgen Honegger
  • Bence Sipos
  • Rudi Beschorner
  • Jens Schittenhelm
Correspondence

Activating BRAF mutations are observed in malignant melanomas, pleomorphic xanthoastrocytomas, hairy cell leukemia, papillary thyroid carcinomas, colorectal cancer, ovarian cancer and ganglioglioma [1, 10, 11]. Generation of a monoclonal antibody specific for the BRAF V600E mutation (VE1) was published recently [3]. This antibody has been successfully validated for melanomas [5], lung adenocarcinomas [8] and thyroid carcinomas [2]. Although pituitary adenomas account for up to 10 % of all intracranial tumors [4], there is still a lack of data on VE1 immunostains in these tumors. In three studies in which BRAF in pituitary adenomas was examined by sequencing, a single V600E mutation was found in 145 cases [6, 7, 10].

We screened 78 pituitary adenomas (epidemiological data in supplemental Table 1) with VE1 antibody. Staining was observed in 18 cases (12 weak (15 %); 5 moderate (6 %) and 1 strong case (1 %); supplemental Figure S1). Twelve of the positive cases were HGH-producing...

Keywords

Adenoma Thyroid Carcinoma Pituitary Adenoma Papillary Thyroid Carcinoma Hairy Cell Leukemia 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Supplementary material

401_2013_1118_MOESM1_ESM.pdf (808 kb)
Supplementary material 1 (PDF 809 kb)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Jan Sperveslage
    • 2
  • Midea Gierke
    • 1
  • David Capper
    • 3
  • Jürgen Honegger
    • 4
  • Bence Sipos
    • 2
  • Rudi Beschorner
    • 1
  • Jens Schittenhelm
    • 1
  1. 1.Department of NeuropathologyUniversity of TuebingenTuebingenGermany
  2. 2.Institute of PathologyUniversity of TuebingenTuebingenGermany
  3. 3.Clinical Cooperation Unit Neuropathology, German Cancer Research Center (DKFZ), Department of NeuropathologyUniversity of HeidelbergHeidelbergGermany
  4. 4.Department of NeurosurgeryUniversity of TuebingenTuebingenGermany

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