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  1. No Access

    Article

    A case of dedifferentiated liposarcoma discovered due to an intrascrotal calcified ossification

    Dedifferentiated liposarcoma is a rare cancer with a poor prognosis. A 52-year-old man presented with a chief complaint of a mass in his left scrotum. He came with suspected testicular tumor, but all the measu...

    Haruna Arai, Hirofumi Sogabe… in International Cancer Conference Journal (2024)

  2. Article

    Open Access

    Long-term changes in renal function after treatment initiation and the importance of early diagnosis in maintaining renal function among IgG4-related tubulointerstitial nephritis patients in Japan

    The present study aimed to investigate associations between long-term renal function, whether IgG4-related tubulointerstitial nephritis (TIN) was diagnosed by renal biopsy at initial examination, chronic kidne...

    Haruna Arai, Soshiro Ogata, Takaya Ozeki, Kazuo Takahashi… in Arthritis Research & Therapy (2020)

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  3. No Access

    Article

    Tubulointerstitial fibrosis in patients with IgG4-related kidney disease: pathological findings on repeat renal biopsy

    Renal parenchymal lesions in patients with IgG4-related kidney disease (IgG4-RKD) are characterized by tubulointerstitial nephritis with storiform fibrosis and infiltration by high numbers of IgG4-positive pl...

    Haruna Arai, Hiroki Hayashi, Kazuo Takahashi, Shigehisa Koide… in Rheumatology International (2015)