Frasier syndrome (FS) is characterized by male pseudohermaphroditism, slowly progressing nephropathy, and frequent development of gonadoblastoma. These patients are, however, often diagnosed when evaluated for primary amenorrhea. We report the case of FS in a pre-menarchal girl at the age of 6 years. Ultrasound examinations were performed and were inconclusive as to the presence or size of the gonads. Diagnostic laparoscopy was performed and the presence of bilateral streak gonads was documented and a bilateral salpingo-oophorectomy was performed. The postoperative course was uneventful. Histological examination of the streak gonads confirmed the presence of gonadoblastoma. To our knowledge, this is the first case in the literature of a pre-menarchal patient diagnosed with FS and a laparoscopic bilateral gonadoblastoma resection. Laparoscopic aspects regarding safe streak gonad removal in the pediatric population have been elaborated.
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http://dx.doi.org/10.1007/s00431-006-0225-x | DOI Listing |
Cureus
October 2024
Dermatology, Edward Via College of Osteopathic Medicine, Blacksburg, USA.
J Mol Cell Cardiol Plus
September 2024
East Tennessee State University, Quillen College of Medicine, Department of Biomedical Sciences, Johnson City, TN, United States of America.
We present a case of a 19-year-old who developed nephrotic syndrome with preserved renal function. Renal biopsy confirmed focal segmental glomerular sclerosis (FSGS). No remission was achieved despite 2 years of treatment with glucocorticoids, mycophenolate mofetil, tacrolimus, and cyclophosphamide.
View Article and Find Full Text PDFClin Exp Nephrol
July 2024
Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-Cho, Chuo-Ku, Kobe, 650-0017, Japan.
The Wilms tumor 1 (WT1) gene was first identified in 1990 as a strong candidate for conferring a predisposition to Wilms tumor. The WT1 protein has four zinc finger structures (DNA binding domain) at the C-terminus, which bind to transcriptional regulatory sequences on DNA, and acts as a transcription factor. WT1 is expressed during kidney development and regulates differentiation, and is also expressed in glomerular epithelial cells after birth to maintain the structure of podocytes.
View Article and Find Full Text PDFClin Exp Nephrol
November 2024
Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho, Chuo, Kobe, Hyogo, 650-0017, Japan.
Background: Wilms tumor 1 (WT1; NM_024426) causes Denys-Drash syndrome, Frasier syndrome, or isolated focal segmental glomerulosclerosis. Several WT1 intron variants are pathogenic; however, the pathogenicity of some variants remains undefined. Whether a candidate variant detected in a patient is pathogenic is very important for determining the therapeutic options for the patient.
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