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英文誌(2004-)

Journal of Medical Ultrasonics

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1990 - Vol.17

Vol.17 No.05

Original Article(原著)

(0537 - 0542)

脾血管腫の超音波像の検討−病理組織所見との対比検討−

Ultrasonic Study on Hemangiomas of the Spleen -Comparative Study between Ultrasonograms and Pathologic Findings-

稲吉 厚1, 清住 雄昭2, 外村 政憲2, 蔵野 良一3

Atsushi INAYOSHI1, Takeaki KIYOZUMI2, Masanori HOKAMURA2, Rhoichi KURANO3

1熊本地域医療センター 外科, 2熊本地域医療センター 内科, 3熊本地域医療センター 病理

1Department of Surgery, Kumamoto Regional Medical Center, 2Department of Internal Medicine, Kumamoto Regional Medical Center, 3Department of Pathology, Kumamoto Regional Medical Center

キーワード : Ultrasonic diagnosis, Hemangioma of the spleen, Echo pattern, Ultrasonic-pathologic correlation

Hemangioma of the spleen is rare but is the most common primary neoplasm of the spleen. We had 5 patients with splenic hemangiomas and performed ultrasonic examinations before surgery. Three of our patients had solitary hemangioma of the spleen and two had multiple hemangioma. Echo patterns of splenic hemangioma were classified into two different types: a hyperechoic pattern and a complex pattern.
We studied the correlation between ultrasonograms and pathologic findings. Hemangioma tissue without degeneration or necrosis was found in the ultrasonic hyperechoic area. This suggests that hypoechoic areas reflect necrosis, fibrosis, bleeding and dilated vessels in the tumor and anechoic areas reflect cysts in the tumor. We believe that marginal fibrous tissue, such as the capsule, corresponded to the marginal hyperechoic or hypoechoic zone on ultrasonograms.