We present a case of 74-year-old female patient with rheumatoid arthritis with left upper limb movement disorder who was diagnosed with brachial plexus neuropathy induced by methotrexate-associated lymphoproliferative disorder (MTX-LPD). Nerve hypertrophy and contrast effects were observed at the left brachial plexus and the more distal peripheral nerves on MRI. An attenuated image at the left axillary lymph node was observed on FDG-PET. A biopsy sample from the same node revealed diffuse large B-cell lymphoma. The symptoms improved in 1 month due to cessation of methotrexate. In patients taking methotrexate with neurological abnormalities, MTX-LPD should be considered in the differential diagnosis.
机构:
Saitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Tokuhira, Michihide
Kimura, Yuta
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Saitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Kimura, Yuta
Nemoto, Tomoe
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Saitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Nemoto, Tomoe
Sagawa, Morihiko
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Saitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Sagawa, Morihiko
Tomikawa, Tatsuki
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Saitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Tomikawa, Tatsuki
Sakai, Ryota
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Saitama Med Univ, Saitama Med Ctr, Dept Pathol, Kawagoe, Saitama, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Sakai, Ryota
Okuyama, Ayumi
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Saitama Med Univ, Saitama Med Ctr, Dept Pathol, Kawagoe, Saitama, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Okuyama, Ayumi
Amano, Koichi
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Saitama Med Univ, Saitama Med Ctr, Dept Pathol, Kawagoe, Saitama, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Amano, Koichi
Higashi, Morihiro
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Saitama Med Univ, Saitama Med Ctr, Dept Rheumatol & Clin Immunol, Kawagoe, Saitama, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Higashi, Morihiro
Tamaru, Jun-Ichi
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Saitama Med Univ, Saitama Med Ctr, Dept Rheumatol & Clin Immunol, Kawagoe, Saitama, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Tamaru, Jun-Ichi
Mori, Shigehisa
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Saitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Mori, Shigehisa
Tabayashi, Takayuki
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Saitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Tabayashi, Takayuki
Watanabe, Reiko
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Saitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
Watanabe, Reiko
Kizaki, Masahiro
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Saitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, JapanSaitama Med Univ, Saitama Med Ctr, Dept Hematol, 1981 Kamoda, Kawagoe, Saitama 3508550, Japan
机构:
Queen Mary Hosp, Dept Radiol, Nucl Med Unit, Hong Kong, Peoples R China
Queen Mary Hosp, Dept Radiol, Nucl Med Unit, 102 Pokfulam Rd, Hong Kong, Peoples R ChinaQueen Mary Hosp, Dept Radiol, Nucl Med Unit, Hong Kong, Peoples R China
机构:
Toho Univ, Div Diabet Metab & Endocrinol, Grad Sch Med, 6-11-1 Omori nishi,Ota Ku, Tokyo 1438541, JapanToho Univ, Div Diabet Metab & Endocrinol, Grad Sch Med, 6-11-1 Omori nishi,Ota Ku, Tokyo 1438541, Japan
Hiruma, Marino
Tsuboi, Kumiko
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Toho Univ, Div Diabet Metab & Endocrinol, Grad Sch Med, 6-11-1 Omori nishi,Ota Ku, Tokyo 1438541, JapanToho Univ, Div Diabet Metab & Endocrinol, Grad Sch Med, 6-11-1 Omori nishi,Ota Ku, Tokyo 1438541, Japan
Tsuboi, Kumiko
Hirose, Takahisa
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机构:
Toho Univ, Div Diabet Metab & Endocrinol, Grad Sch Med, 6-11-1 Omori nishi,Ota Ku, Tokyo 1438541, JapanToho Univ, Div Diabet Metab & Endocrinol, Grad Sch Med, 6-11-1 Omori nishi,Ota Ku, Tokyo 1438541, Japan