Magnetic resonance imaging findings in primary amyloidosis-associated arthropathy

Masayuki Miyata; Naoto Sato; Hiroshi Watanabe; Hiromi Kumakawa; Akira Saito; Hiroshi Funabashi; Keiji Iwatsuki; Yuko Hashimoto; Yukio Sato; Reiji Kasukawa

doi:10.2169/internalmedicine.39.313

Magnetic resonance imaging findings in primary amyloidosis-associated arthropathy

Masayuki Miyata, Naoto Sato, Hiroshi Watanabe, Hiromi Kumakawa, Akira Saito, Hiroshi Funabashi, Keiji Iwatsuki, Yuko Hashimoto, Yukio Sato, Reiji Kasukawa

Graduate School of Medicine Dentistry and Pharmaceutical Sciences

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The MRI findings of amyloid arthropathy associated with primary amyloidosis are presented here possibly for the first time in the literature. Two types of lesions are noted: (1) capsular and tendon lesions; these regions are thickened, hypointense and enhanced by gadolinium (Gd) on T1 weighted imaging (T1WI), and hyperintense on T2 weighted imaging (T2WI), and (2) periarticular and osseous lesions; these regions appear to be tumor-forming and hypointense on both T1WI and T2WI and are not enhanced by Gd. It is necessary to differentiate these findings from other diseases such as chondrosarcoma, rhabdomyosarcoma and chronic inflammatory lesions such as tuberculosis.

Original language	English
Pages (from-to)	313-319
Number of pages	7
Journal	Internal Medicine
Volume	39
Issue number	4
DOIs	https://doi.org/10.2169/internalmedicine.39.313
Publication status	Published - Apr 2000

Keywords

Amyloid
Amyloid tumor
Amyloidoma
Gadolinium (Gd)
Magnetic resonance imaging
Shoulder pad sign

ASJC Scopus subject areas

Internal Medicine

Access to Document

10.2169/internalmedicine.39.313

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Magnetic resonance imaging findings in primary amyloidosis-associated arthropathy. / Miyata, Masayuki; Sato, Naoto; Watanabe, Hiroshi; Kumakawa, Hiromi; Saito, Akira; Funabashi, Hiroshi; Iwatsuki, Keiji; Hashimoto, Yuko; Sato, Yukio; Kasukawa, Reiji.

In: Internal Medicine, Vol. 39, No. 4, 04.2000, p. 313-319.

Research output: Contribution to journal › Article › peer-review

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AU - Iwatsuki, Keiji

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