Accès ouvert
2026
article
OpenAlex
Tomonori Kawasaki, Jiro Ichikawa, Satoshi Kanno, Tomoaki Torigoe et autres
This image report aims to illustrate the diagnostic value of integrating various diagnostic modalities to distinguish angiomatoid fibrous histiocytoma (AFH) from malignant soft tissue tumors. A 33-year-old man presented with a painful palpable mass in the medial left thigh. Magnetic resonance imaging …
jp
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Accès ouvert
2026
editorial
OpenAlex
Tomonori Kawasaki, Kojiro Onohara, Yosuke Horita, Masataka Hirasaki et autres
Paragangliomas and Pheochromocytoma are tumors that can produce norepinephrine and dopamine, which may cause various symptoms such as headaches, palpitations, excessive sweating, anxiety, tremors, and nausea, enabling differential diagnosis in such cases (3). However, they can also be asymptomatic and incidentally discovered …
jp
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Accès ouvert
2026
editorial
OpenAlex
Tomonori Kawasaki, Takuya Watanabe, Masataka Hirasaki, Satoshi Kanno et autres
Introduction Undifferentiated pleomorphic sarcoma (UPS), previously known as a malignant fibrous histiocytoma, is a type of pleomorphic sarcoma, including dedifferentiated liposarcoma and pleomorphic leiomyosarcoma. Because sarcomas originating in the adrenal gland are extremely rare and this case is exceptionally intriguing, we were …
jp
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Accès ouvert
2025
article
OpenAlex
Tomonori Kawasaki, Tomoaki Torigoe, Satoshi Kanno, Masataka Hirasaki et autres
Malignant peripheral nerve sheath tumors (MPNSTs) are rare sarcomas with an extremely rare perineurial subtype. Herein, we present a case of a perineurial MPNST in the cauda equina. Clinically and radiologically, a mass extending from within the spinal canal at the L5 …
jp
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Accès ouvert
2024
article
OpenAlex
Jiro Ichikawa, Tomonori Kawasaki, Kojiro Onohara, Satoshi Kanno et autres
Dedifferentiated liposarcoma (DDLPS) is a subtype of liposarcoma that frequently occurs in the retroperitoneum. Approximately 10% of atypical lipomatous tumors/well-differentiated liposarcomas (ALTs/WDLPSs) are dedifferentiated, with one risk factor being a retroperitoneal location (1). DDLPS exhibits heterogeneous differentiation, including myogenic or osteosarcomatous/chondrosarcomatous elements …
jp
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Accès ouvert
2024
article
OpenAlex
Tomonori Kawasaki, Jiro Ichikawa, Satoshi Kanno, Kojiro Onohara et autres
Myofibroblastomas are benign mesenchymal tumors that frequently occur in the groin. They show variable morphology, and the differential histopathological diagnoses are broad, including lipomatous to myxoid tumors. In addition, both pathological and imaging findings may be complex, which makes diagnosis challenging. We …
jp
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Accès ouvert
2024
article
OpenAlex
Tomonori Kawasaki, Jiro Ichikawa, Kojiro Onohara, Satoshi Kanno et autres
IgG4-related disease is a rare fibroinflammatory disorder characterized by the infiltration of IgG4-rich plasma cells. Herein, we report a case of IgG4-related disease of the subcutaneous tissue with atypical MRI findings and difficulties in the histopathological examination using needle biopsy. Based on …
jp
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Accès ouvert
2024
letter
OpenAlex
Tomonori Kawasaki, Jiro Ichikawa, Hiroki Imada, Satoshi Kanno et autres
With great interest, we read the article by Manole et al [...].
jp
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Accès ouvert
2024
article
OpenAlex
Tomonori Kawasaki, Tomomi Nakajima, Tomoaki Torigoe, Kojiro Onohara et autres
Primary malignant cardiac tumors rarely occur, and cardiac synovial sarcoma (SS) is especially rare among such tumors. Herein, we present the case of a 35-year-old female with primary cardiac SS treated with surgery, chemotherapy, and radiotherapy. She presented with chest symptoms and …
jp
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2023
article
OpenAlex
Tomonori Kawasaki, Jiro Ichikawa, Hiroki Imada, Satoshi Kanno et autres
BACKGROUND/AIM: Most cases of synovial sarcoma (SS) are aggressive and large-sized; only few show indolent behavior, having a small size. Nerves are rare sites of SS occurrence. An atypical case of SS can lead to its misdiagnosis as a benign tumor and …
jp
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2023
article
OpenAlex
Jiro Ichikawa, Tomonori Kawasaki, Hiroki Imada, Satoshi Kanno et autres
BACKGROUND/AIM: Synovial sarcoma (SS), a spindle cell sarcoma, typically occurs in the soft tissues of the extremities and rarely develops in the bones as a primary tumor. To our knowledge, no case of SS in the metacarpal bone has been reported. CASE …
jp
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Accès ouvert
2023
editorial
OpenAlex
Jiro Ichikawa, Hiroki Imada, Satoshi Kanno, Tomonori Kawasaki
GENERAL COMMENTARY article Front. Cell Dev. Biol., 03 March 2023Sec. Cancer Cell Biology Volume 11 - 2023 | https://doi.org/10.3389/fcell.2023.1164523
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