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1.
Hinyokika Kiyo ; 67(1): 11-15, 2021 Jan.
Artigo em Japonês | MEDLINE | ID: mdl-33535291

RESUMO

A 70-year-old man complaining of pain in his right leg presented to the Department of Orthopedics in our hospital. X-ray findings revealed calcifications around the left kidney. He was referred to our department for further examination. Computed tomography revealed a tumor 3 cm in diameter with calcifications and an obscure border that was located on the caudal side of the pancreas, anterior to the left iliopsoas muscle and at the left side of the aorta. Magnetic resonance imaging showed that the tumor had comparatively low intensity in diffusion-weighted images and the cell density was not high. The contrast of the tumor by enhanced computed tomography was weak, and we had difficulty judging whether the tumor was benign or malignant. Each tumor marker, immunity factor, and hormone-like catecholamine were within the normal range. We considered the retroperitoneal tumor with calcifications as Castleman disease or tumor of nerve origin. It is believed that most retroperitoneal tumors are malignant. We performed laparoscopic surgery to resect the retroperitoneal tumor. Histopathological diagnosis was a primary retroperitoneal venous malformation. Vascular malformation derived from the retroperitoneum is rare. Furthermore, very few cases of venous malformation in the retroperitoneum have been reported.


Assuntos
Neoplasias Retroperitoneais , Malformações Vasculares , Idoso , Humanos , Imageamento por Ressonância Magnética , Masculino , Neoplasias Retroperitoneais/diagnóstico por imagem , Neoplasias Retroperitoneais/cirurgia , Espaço Retroperitoneal/diagnóstico por imagem , Tomografia Computadorizada por Raios X
2.
Clin Calcium ; 21(10): 1530-4, 2011 Oct.
Artigo em Japonês | MEDLINE | ID: mdl-21960240

RESUMO

Many urinary tract stones consist of calcium, and has high relapse rate. Accordingly, it is very important to prevent calcium-containing stone formation. This paper describes about effects and mechanisms for Xanthine oxidase inhibitor, citrate formulation, magnesium formulation, thiazides, vitamin B(6), extract of Quercus salicina Blume and chorei-to (medical herb) . Recent new drugs and the elucidation of new metabolic pathways may lead to the development of prevention of urolithiasis.


Assuntos
Alopurinol/farmacologia , Alopurinol/uso terapêutico , Cálcio/metabolismo , Cálculos Urinários/tratamento farmacológico , Cálculos Urinários/prevenção & controle , Animais , Citratos/farmacologia , Citratos/uso terapêutico , Medicamentos de Ervas Chinesas/farmacologia , Medicamentos de Ervas Chinesas/uso terapêutico , Humanos , Compostos de Magnésio/farmacologia , Compostos de Magnésio/uso terapêutico , Fitoterapia , Extratos Vegetais/farmacologia , Extratos Vegetais/uso terapêutico , Prevenção Secundária , Inibidores de Simportadores de Cloreto de Sódio/farmacologia , Inibidores de Simportadores de Cloreto de Sódio/uso terapêutico , Cálculos Urinários/metabolismo , Vitamina B 6/farmacologia , Vitamina B 6/uso terapêutico , Xantina Oxidase/antagonistas & inibidores
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