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• Vol.63 No.2
• CLINICA NEUROL, 63: 97−100, 2023
• Vol.63 No.2 contents

Case Report

A case of caseous calcification of mitral annulus resulting in multiple cerebral infarctions

Yoshifumi Ogasawara, M.D.¹⁾, Kagari Mano, M.D., Ph.D.¹⁾²⁾, Fumiaki Henmi, M.D.¹⁾, Yoshikazu Uesaka, M.D.¹⁾ and Yutaka Takazawa, M.D.³⁾

¹⁾ Department of Neurology, Toranomon Hospital
²⁾ Department of Neurology, Yokohama Rosai Hospital
³⁾ Department of Pathology, Toranomon Hospital

The patient is a 73-year-old woman. She presented with dysarthria, and a head MRI revealed multiple acute cerebral infarctions in the bilateral cerebral hemisphere and cerebellar hemisphere. Transesophageal echocardiography after admission revealed a 16 mm large mobile calcification of the mitral annulus (caseous calcification of the mitral annulus; CCMA) on the posterior apex of the mitral valve annulus. Since the CCMA had a high risk of relapse, and a new infarction was detected on the 8th day, resection of the mass and mitral valve replacement surgery were performed. CCMA is a subtype of mitral annular calcification (MAC). When calcification progresses from the MAC state to form a mass, it is called a calcified amorphous tumor; CAT. Reports of embolic cerebral infarction caused by CAT are rare, but this is a rare report of an embolic cerebral infarction from CCMA presenting as CAT.
Full Text of this Article in Japanese PDF (2021K)

(CLINICA NEUROL, 63: 97−100, 2023)
key words: multiple cerebral infarctions, caseous calcification of the mitral annulus, mitral annular calcification, calcified amorphous tumor

(Received: 1-Nov-22)