Open Access

Anaplastic astrocytoma cells not detectable on autopsy following long‑term temozolomide treatment: A case report

  • Authors:
    • Hirofumi Hirano
    • Takashi Kawahara
    • Masaki Niiro
    • Hajime Yonezawa
    • Tomoko Takajyou
    • Yasuyo Ohi
    • Ikumi Kitazono
    • Kiyohiro Sakae
    • Kazunori Arita
  • View Affiliations

  • Published online on: February 7, 2017     https://doi.org/10.3892/mco.2017.1160
  • Pages: 321-326
  • Copyright: © Hirano et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

We herein present an autopsy case of a glioma patient who received long‑term treatment with temozolomide (TMZ). The patient, a 35‑year‑old man with a hypointense tumor of the left frontal lobe, without contrast enhancement following gadolinium (Gd) administration on T1‑weighted images, underwent tumor removal surgery, after which the tumor was diagnosed as anaplastic astrocytoma. By the third round of surgery, the tumor had progressed to anaplastic astrocytoma with contrast enhancement following Gd administration, and the patient received 60 Gy of external beam radiotherapy and nimustine hydrochloride (ACNU)‑based chemotherapy. After the fifth tumor removal surgery, TMZ was substituted with ACNU chemotherapy, which suppressed tumor progression. Following the 41st TMZ treatment, hemorrhage was observed in the residual tumor, and the hematoma had been replaced by a hemangioma. The hemangioma and surrounding brain tissue was removed during the sixth surgery. The patient survived for 14 years and 9 months after the initial surgery, but succumbed to hydrocephalus due to bleeding from hemangiomas. The histopathological specimens of the first to the sixth surgeries revealed mutant isocitrate dehydrogenase 1 (IDH1; R132H point mutation) and p53‑positive tumor cells, but cells positive for the R132H mutation or p53 could not be detected by immunohistochemistry in the autopsy specimens of the brain after 108 courses of TMZ treatment. Mutant IDH1 (R132H) cells were also not detected in the autopsy specimens of the brain by polymerase chain reaction analysis.
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March-2017
Volume 6 Issue 3

Print ISSN: 2049-9450
Online ISSN:2049-9469

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Spandidos Publications style
Hirano H, Kawahara T, Niiro M, Yonezawa H, Takajyou T, Ohi Y, Kitazono I, Sakae K and Arita K: Anaplastic astrocytoma cells not detectable on autopsy following long‑term temozolomide treatment: A case report. Mol Clin Oncol 6: 321-326, 2017
APA
Hirano, H., Kawahara, T., Niiro, M., Yonezawa, H., Takajyou, T., Ohi, Y. ... Arita, K. (2017). Anaplastic astrocytoma cells not detectable on autopsy following long‑term temozolomide treatment: A case report. Molecular and Clinical Oncology, 6, 321-326. https://doi.org/10.3892/mco.2017.1160
MLA
Hirano, H., Kawahara, T., Niiro, M., Yonezawa, H., Takajyou, T., Ohi, Y., Kitazono, I., Sakae, K., Arita, K."Anaplastic astrocytoma cells not detectable on autopsy following long‑term temozolomide treatment: A case report". Molecular and Clinical Oncology 6.3 (2017): 321-326.
Chicago
Hirano, H., Kawahara, T., Niiro, M., Yonezawa, H., Takajyou, T., Ohi, Y., Kitazono, I., Sakae, K., Arita, K."Anaplastic astrocytoma cells not detectable on autopsy following long‑term temozolomide treatment: A case report". Molecular and Clinical Oncology 6, no. 3 (2017): 321-326. https://doi.org/10.3892/mco.2017.1160