RENATO AUGUSTO EIDY KIOTA MATSUMOTO
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bookPart Concordância anatomorradiológica, subestimação e acompanhemento(2017) JACINTO, Bruna Maria Thompson; GIANNOTTI, Marcelo Abrantes; TEIXEIRA, Patricia Akissue de Camargo; MATSUMOTO, Renato Augusto Eidy Kiota; FERREIRA, Vera Christina Camargo de Siqueira- Radiological findings of breast involvement in benign and malignant systemic diseases(2018) MATSUMOTO, Renato Augusto Eidy Kiota; CATANI, Juliana Hiraoka; CAMPOY, Mirela Liberato; OLIVEIRA, Arthur Magalhães; BARROS, Nestor deAbstract Although the primary purpose of periodic mammograms in screening programs is to identify lesions suspected of being carcinomas, the findings are often related to systemic (benign or malignant) diseases, rather than breast cancer. Although the involvement of breast structures in systemic diseases is unusual, it can be included in the differential diagnosis of masses, skin changes, calcifications, asymmetry, and axillary lymphadenopathy. The main diagnostic entities that can be associated with such involvement are diabetes, chronic kidney disease, heart diseases, connective tissue diseases, HIV infection, lymphoma, leukemia, and metastases from primary tumors at other sites. In many cases, information related to knowledge and treatment of chronic diseases is not available to the radiologist at the time of evaluation of the mammography findings. The purpose of this essay is to offer relevant pictorial information to the general radiologist about systemic diseases involving the breast, expanding the range of differential diagnoses in order to avoid unnecessary invasive procedures.
bookPart Métodos de imagem no diagnóstico das doenças mamárias(2017) BRESCIANI, Bárbara Helou; CASTRO, Flávio Spinola; MATSUMOTO, Renato Augusto Eidy Kiota; SHIMIZU, Carlos; BARROS, Nestor de- Sarcomas of the breast: findings on mammography, ultrasound, and magnetic resonance imaging(2018) MATSUMOTO, Renato Augusto Eidy Kiota; HSIEH, Su Jin Kim; CHALA, Luciano Fernandes; MELLO, Giselle Guedes Netto de; BARROS, Nestor deAbstract Sarcomas of the breast belong to a heterogeneous group of breast tumors of mesenchymal origin, without epithelial components. These tumors can be primary or secondary (after previous treatment for breast cancer), are rare, present aggressive behavior, and have a poor prognosis. They occur mainly in women between 45 and 50 years of age, with the exception of angiosarcomas, which can occur in younger patients. Clinically, breast sarcomas manifest as palpable, mobile, rapidly growing masses, without skin thickening, axillary lymphadenopathy, or nipple discharge. Although the imaging findings are non specific, they can be suggestive of sarcoma. For instance, a solitary mass showing rapid growth, with circumscribed or indistinct margins and, a complex (solid-cystic) or heterogeneous echotexture, without axillary lymph node involvement, can raise the suspicion of sarcoma. The treatment is not well established, because of the rarity and heterogeneity of this type of neoplasm. The principles of treatment for sarcoma of the breast have been addressed only in small cohort studies. In most cases, the treatment of choice is surgery without axillary lymphadenectomy.
- Encapsulated Papillary Breast Carcinoma: Anatomopathological and Clinicoradiological Aspects(2018) MATSUMOTO, R. A. E. K.; BRESCIANI, B. H.; THOMPSON, B. M.; BARROS, N. deEncapsulated papillary carcinoma or intracystic papillary carcinoma of the breast is a rare tumour and is a special subtype of carcinoma. The most relevant histological characteristic is the absence of a myoepithelial cell layer. The lack of such a layer leads to uncertainty in diagnosis and consequent management, depending on whether the tumour is considered an invasive neoplasm or an in-situ neoplasm. This article illustrates the histological characteristics of this subtype of breast cancer, its most common imaging presentation, clinical findings, diagnosis, and treatment.
bookPart Doenças malignas(2017) HSIEH, Su Jin Kim; ENDO, Erica; COSTENARO, Marco; MATSUMOTO, Renato Augusto Eidy Kiota; PINCERATO, Katia