Publications by authors named "Kikuo Iitaka"

A 35-year-old woman with membranoproliferative glomerulonephritis type I had quintuplet gestation after induced ovulation. Her serum creatinine level and estimated glomerular filtration rate were 0.86 mg/dL and 61.

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Some children with steroid-sensitive nephrotic syndrome (SSNS) have been reported to suffer relapses in adulthood, but the clinical course of such adults is unclear. Four children with SSNS suffered relapses after 30 years of age. Those 4 patients developed frequently relapsing nephrotic syndrome (NS) between 2 and 10 years of age.

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Four women with childhood-onset steroid-sensitive nephrotic syndrome (SSNS) had 5 pregnancies. Their age at onset of SSNS was between 4 and 10 years, and age at pregnancy was between 21 and 31 years. Three patients with frequent relapsing nephrotic syndrome (NS) continued to relapse after 20 years of age.

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A girl was born with sclerocornea of the right eye, corneal staphyloma of the left eye and lumbar myelomeningocele. The myelomeningocele was repaired soon after birth. The corneal staphyloma was perforated during infancy.

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A 6-year-old boy received renal transplantation and was treated with methylprednisolone, cyclosporine A and mizoribine. He developed Epstein-Barr virus-associated malignant lymphoma at 10 years and thyroid papillary carcinoma at 20 years of age. Chemotherapy for the malignant lymphoma was done after withdrawal of cyclosporine A and mizoribine, and thyroidectomy was performed for thyroid carcinoma.

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A 6-year-old boy developed bronchiolitis obliterans organizing pneumonia and nephrotic syndrome 5 months after allogeneic bone marrow transplantation from an unrelated donor for acute lymphoblastic leukemia. His renal biopsy showed membranous nephropathy. He was treated with prednisolone and cyclosporine A.

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Background: Growth impairment, microcephaly and developmental delay in young children with chronic renal failure improve after successful renal transplantation. There have been few reports on head circumference (HC) and development after transplantation.

Method: Standard deviation scores (SDS) of height and HC and developmental quotient (DQ) after successful renal transplantation were evaluated in 12 recipients under 5 years of age.

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Few reports of familial cases of steroid-sensitive nephrotic syndrome (SSNS) are available. Of 123 children with SSNS, four cases in two families are presented. Two sisters and a father and his daughter developed SSNS.

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A girl and her mother were diagnosed as having membranoproliferative glomerulonephritis (MPGN) type I. Microscopic hematuria and proteinuria presented at 9 years of age in the mother and at 14 years in the daughter. Both had persistent hypocomplementemia and were treated with steroids.

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Background: Many chronic renal diseases in children, including membranoproliferative glomerulonephritis (MPGN), often continue into adulthood, and these patients require continuing management. Despite the importance of the topic, there has been limited discussion about the problems of transition in children with continuing renal disease. We report our experience in patients with MPGN, as they matured from childhood to adolescence and adulthood, so-called "carry-over" cases.

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IgA nephropathy (IgAN) associated with leukemia and lymphoma has not, to our knowledge, been reported in children. Two children suffering from these diseases are described here. One patient developed IgAN at the end of 5 years' chemotherapy for acute lymphocytic leukemia.

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Three girls with normal growth hormone secretion had received renal transplantation when aged 2 to 6 years. They had had severely retarded growth (SD for height score was -7.4 to -3.

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Background: Growth retardation following steroid treatment in children is a major problem. Reduction of steroid dose has been tried using immunosuppressive agents such as cyclosporine A or mizoribine in children with frequently relapsing nephrotic syndrome. Few reports concerning final height in steroid-sensitive nephrotic syndrome (SSNS) are available.

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Background: Familial cases of Henoch-Schönlein purpura (HSP) have rarely been reported.

Methods: Familial cases of HSP were reviewed by medical records of 418 children with HSP.

Results: Two members developed HSP in eight families.

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Background: The prognosis of Japanese patients with congenital nephrotic syndrome (CNS) and Denys-Drash syndrome (DDS) is not clear.

Methods: Five patients with CNS and four patients with DDS, which causes secondary CNS, were studied retrospectively.

Results: Seven patients were sporadic and two DDS patients were identical twins.

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Background: The incidence of hypocomplementemia detected in the school urinary screening program in Kanagawa Prefecture, Japan, and the number of new patients with membranoproliferative glomerulonephritis (MPGN) diagnosed in our institution were decreasing during the period between 1974 and 1997. Follow-up of this study was performed during the period between 1998 and 2003.

Methods: A total of 1,230,398 urine specimens in elementary and junior high school were examined between 1980 and 2003.

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Background: The clinical course and prognosis of Henoch-Schonlein purpura (HSP) associated with hypocomplementemia are not clear.

Methods: The clinical findings of 10 children with HSP and hypocomplementemia were studied.

Results: Purpuric rash in all patients, abdominal pain in five, and arthralgia in nine were noted.

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Three siblings with poststreptococcal acute glomerulonephritis are presented. Streptococcal infection, impetigo, and pharyngitis preceded the acute glomerulonephritis. In one patient, emm49-type Streptococcus pyogenes was isolated, a strain which has not been reported as nephritogenic in Japan.

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An obese male patient with steroid-dependent nephrotic syndrome since age 6 years had a thirty-third relapse at the age of 29 years. Renal biopsy showed focal segmental glomerulosclerosis. Proteinuria disappeared after treatment with prednisolone.

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The clinical course and renal histological changes in two patients with congenital nephrotic syndrome are presented. Both patients developed edema and proteinuria at 2 days of age. Steroids and immunosuppressive drugs were not used in either patient.

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In this article, we report two patients with IgA-associated glomerulonephritis with a membranoproliferative glomerulonephritis (MPGN) -like pattern. Both patients had nephrotic syndrome at onset. One patient was treated with high-dose alternate-day prednisolone (PSL), and the other with indomethacin and low-dose PSL.

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We report the long-term follow-up of two patients with type II membranoproliferative glomerulonephritis (MPGN). One Patients was treated with high-dose alternate-day prednisolone and the other with dipyridamole. Both had favorable clinical courses over 8.

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