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Your search keyword '"Yoshiyuki Ozawa, MD"' showing total 2 results
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2 results on '"Yoshiyuki Ozawa, MD"'

1. Calcifying aponeurotic fibroma in a girl: MRI findings and their chronological changes

Author

Tomoya Sekiguchi, MD, Motoo Nakagawa, MD, Shinji Miwa, MD, Ayano Shiba, MD, Yoshiyuki Ozawa, MD, Masashi Shimohira, MD, Keita Sakurai, MD, and Yuta Shibamoto, MD

Subjects
Calcifying aponeurotic fibroma, MRI, Pediatric, Medical physics. Medical radiology. Nuclear medicine, R895-920
Abstract

Calcifying aponeurotic fibroma (CAF) is a rare benign tumor that typically develops in the fascia and tendons. On MRI, CAF usually shows isointensity on T1WI and heterogeneous high intensity on T2WI. We report a case of 17-month-old girl with CAF on her right ankle. MRI showed an usual signal intensity for CAF. At 3 years and 4 months of age, MRI revealed hyperintense nodules on T1WI and T2WI inside of the CAF. These fatty areas corresponded to coarse calcified nodules on CT. Radiologists should be aware of the fact that fat-like signals can appear in CAF on MRI.

Published
2017
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2. Ultrasonographic findings of Diphyllobothrium nihonkaiense: A case report

Author

Marehiko Hiroshima, MD, Motoo Nakagawa, MD, Yasuhiko Ito, MD, Ayano Shiba, MD, Yoshiyuki Ozawa, MD, and Yuta Shibamoto, MD

Subjects
Medical physics. Medical radiology. Nuclear medicine, R895-920
Abstract

A 6-year-old girl was admitted to our hospital due to discharging the strobila of a tapeworm (Diphyllobothrium nihonkaiense) from her anus. Before excreting the tapeworm completely with anthelmintics, ultrasonography was performed. The tapeworm was shown as a slightly high echoic strand-like lesion on ultrasonography in the terminal ileum. In this strand-like lesion, some high echoic spots were detected. This finding was considered as a characteristic of Diphylloborthriasis. Keywords: Ultrasonography, Diphyllobothrium nihonkaiense, Pediatric

Published
2019
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