11C-methionine- and 18F-FDG-PET double-negative metastatic brain tumor from lung adenocarcinoma with paradoxical high 18F-FDG uptake: A case report

Kuniaki Tanahashi; Masaki Hirano; Lushun Chalise; Takahiko Tsugawa; Yuka Okumura; Tetsunari Hase; Fumiharu Ohka; Kazuya Motomura; Kazuhito Takeuchi; Yuichi Nagata; Norimoto Nakahara; Naozumi Hashimoto; Ryuta Saito

doi:10.25259/SNI_264_2022

¹¹C-methionine- and ¹⁸F-FDG-PET double-negative metastatic brain tumor from lung adenocarcinoma with paradoxical high ¹⁸F-FDG uptake: A case report

Kuniaki Tanahashi
, Masaki Hirano
, Lushun Chalise
, Takahiko Tsugawa
, Yuka Okumura
, Tetsunari Hase
, Fumiharu Ohka
, Kazuya Motomura
, Kazuhito Takeuchi
, Yuichi Nagata
, Norimoto Nakahara
, Naozumi Hashimoto
, Ryuta Saito

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

抄録

Background: Imaging with ¹⁸F-fluorodeoxyglucose (FDG)-positron emission tomography (PET) and ¹¹C-methionine (MET)-PET can delineate primary and metastatic brain tumors. Lesion size affects the sensitivity of both scans and histopathological features can also influence FDG-PET, but the effects on MET-PET have not been elucidated. Case Description: We report an unusual case of metastatic brain tumors without accumulation of FDG or MET, contrasting with high FDG uptake in the primary lung lesion. The brain lesions were identified as adenocarcinoma with a more mucus-rich background, contributing to the indistinct accumulation of both FDG and MET. Conclusion: Histopathological characteristics can affect both MET and FDG accumulation, leading to findings contradicting those of the primary lesion.

本文言語	英語
論文番号	2642022
ジャーナル	Surgical Neurology International
巻	13
DOI	https://doi.org/10.25259/SNI_264_2022
出版ステータス	出版済み - 2022
外部発表	はい

All Science Journal Classification (ASJC) codes

外科
臨床神経学

文献へのアクセス

10.25259/SNI_264_2022

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引用スタイル

Tanahashi, K., Hirano, M., Chalise, L., Tsugawa, T., Okumura, Y., Hase, T., Ohka, F., Motomura, K., Takeuchi, K., Nagata, Y., Nakahara, N., Hashimoto, N., & Saito, R. (2022). ¹¹C-methionine- and ¹⁸F-FDG-PET double-negative metastatic brain tumor from lung adenocarcinoma with paradoxical high ¹⁸F-FDG uptake: A case report. Surgical Neurology International, 13, 記事 2642022. https://doi.org/10.25259/SNI_264_2022

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title = "11C-methionine- and 18F-FDG-PET double-negative metastatic brain tumor from lung adenocarcinoma with paradoxical high 18F-FDG uptake: A case report",

abstract = "Background: Imaging with 18F-fluorodeoxyglucose (FDG)-positron emission tomography (PET) and 11C-methionine (MET)-PET can delineate primary and metastatic brain tumors. Lesion size affects the sensitivity of both scans and histopathological features can also influence FDG-PET, but the effects on MET-PET have not been elucidated. Case Description: We report an unusual case of metastatic brain tumors without accumulation of FDG or MET, contrasting with high FDG uptake in the primary lung lesion. The brain lesions were identified as adenocarcinoma with a more mucus-rich background, contributing to the indistinct accumulation of both FDG and MET. Conclusion: Histopathological characteristics can affect both MET and FDG accumulation, leading to findings contradicting those of the primary lesion.",

author = "Kuniaki Tanahashi and Masaki Hirano and Lushun Chalise and Takahiko Tsugawa and Yuka Okumura and Tetsunari Hase and Fumiharu Ohka and Kazuya Motomura and Kazuhito Takeuchi and Yuichi Nagata and Norimoto Nakahara and Naozumi Hashimoto and Ryuta Saito",

year = "2022",

doi = "10.25259/SNI\_264\_2022",

language = "English",

volume = "13",

journal = "Surgical Neurology International",

issn = "2152-7806",

publisher = "Scientific Scholar",

}

Tanahashi, K, Hirano, M, Chalise, L, Tsugawa, T, Okumura, Y, Hase, T, Ohka, F, Motomura, K, Takeuchi, K, Nagata, Y, Nakahara, N, Hashimoto, N & Saito, R 2022, '¹¹C-methionine- and ¹⁸F-FDG-PET double-negative metastatic brain tumor from lung adenocarcinoma with paradoxical high ¹⁸F-FDG uptake: A case report', Surgical Neurology International, vol. 13, 2642022. https://doi.org/10.25259/SNI_264_2022

TY - JOUR

T1 - 11C-methionine- and 18F-FDG-PET double-negative metastatic brain tumor from lung adenocarcinoma with paradoxical high 18F-FDG uptake

T2 - A case report

AU - Tanahashi, Kuniaki

AU - Hirano, Masaki

AU - Chalise, Lushun

AU - Tsugawa, Takahiko

AU - Okumura, Yuka

AU - Hase, Tetsunari

AU - Ohka, Fumiharu

AU - Motomura, Kazuya

AU - Takeuchi, Kazuhito

AU - Nagata, Yuichi

AU - Nakahara, Norimoto

AU - Hashimoto, Naozumi

AU - Saito, Ryuta

PY - 2022

Y1 - 2022

N2 - Background: Imaging with 18F-fluorodeoxyglucose (FDG)-positron emission tomography (PET) and 11C-methionine (MET)-PET can delineate primary and metastatic brain tumors. Lesion size affects the sensitivity of both scans and histopathological features can also influence FDG-PET, but the effects on MET-PET have not been elucidated. Case Description: We report an unusual case of metastatic brain tumors without accumulation of FDG or MET, contrasting with high FDG uptake in the primary lung lesion. The brain lesions were identified as adenocarcinoma with a more mucus-rich background, contributing to the indistinct accumulation of both FDG and MET. Conclusion: Histopathological characteristics can affect both MET and FDG accumulation, leading to findings contradicting those of the primary lesion.

AB - Background: Imaging with 18F-fluorodeoxyglucose (FDG)-positron emission tomography (PET) and 11C-methionine (MET)-PET can delineate primary and metastatic brain tumors. Lesion size affects the sensitivity of both scans and histopathological features can also influence FDG-PET, but the effects on MET-PET have not been elucidated. Case Description: We report an unusual case of metastatic brain tumors without accumulation of FDG or MET, contrasting with high FDG uptake in the primary lung lesion. The brain lesions were identified as adenocarcinoma with a more mucus-rich background, contributing to the indistinct accumulation of both FDG and MET. Conclusion: Histopathological characteristics can affect both MET and FDG accumulation, leading to findings contradicting those of the primary lesion.

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