Yoshitake Hirai

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AIMS To assess the outcome of breast papillary lesions diagnosed by ultrasound-guided core needle biopsy (CB) or vacuum-assisted 'mammotome' biopsy (MT), the accuracy of these diagnoses, and whether it is justified not to undertake surgical excision of non-malignant papillary lesions so diagnosed. METHODS AND RESULTS Among 3219 (MT, 2195; CB, 1024) breast(More)
Fibroadenoma is a frequently encountered benign tumor that must be differentiated from carcinoma. Fibroadenomas often exhibit myxedematous changes (myxomatous fibroadenoma). We focused on myxomatous fibroadenomas and evaluated their diagnostic imaging and clinicopathologic findings. We examined the (1) clinicopathologic findings of myxomatous fibroadenomas(More)
High-grade carcinoma with a large central acellular zone (central acellular carcinoma, CAC) and matrixproducing carcinoma (MPC) are aggressive tumors that both have a central myxomatous acellular zone. Their characteristic morphology may be useful in diagnostic imaging. Ultrasonographic findings based on the Breast Imaging Recording and Data System(More)
A 59-year-old woman had a four-year history of rheumatoid arthritis. Despite treatment with prednisolone for interstitial pneumonia, her chest X-ray films revealed gradual progression of reticular shadows, mainly in the left lung, and during the third hospitalization she died of respiratory failure due to acute exacerbation of pneumonia. At autopsy, there(More)
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