Maggio 2011 - Volume XXX - numero 5

Medico e Bambino


Pagine elettroniche ; Il punto su

Aspetti clinici inusuali e ingannevoli dell’acidosi tubulare renale distale all’esordio

Giulia Liccioli1, Aldesia Provenzano2, Sabrina Giglio2, Ivana Pela1

1Sezione di Nefrologia pediatrica, Azienda Ospedaliera Universitaria Meyer, Firenze
2UO di Genetica, Azienda Ospedaliera Universitaria Meyer, Firenze

Indirizzo per corrispondenza: ivana.pela@unifi.it

Unusual and misleading clinical features of distal renal tubular acidosis at the onset. The utility of molecular diagnosis

Key words: Distal renal tubular acidosis, Urine, Biochemical alterations, Genetic defect

Primary distal renal tubular acidosis (dRTA) is a genetic disease in which the α-intercalated cells of the collecting duct are unable to secrete H+ and to acidify urine, resulting in hypercloremic metabolic acidosis. Other biochemical alterations are hypokalemia, hypercalciuria and hypocitraturia. Clinical features include growth retardation, hypotonia, vomiting, polyuria and dehydration. Classification of dRTA is based on genetic defect and three different forms, one autosomal dominant and two autosomal recessive, can be recognized. Our Department of Sciences for Woman and Child’s Health at Meyer Children’s Hospital in Florence (Italy) started a programme of clinical and molecular study of dRTA, with genetic screening of mutations responsible for the disease. Some particular cases in which clinical presentation and biochemical parameters at the onset were unusual and made differential diagnosis difficult, while molecular study was very useful to define dRTA, are reported.

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G. Liccioli, A. Provenzano, S. Giglio, I. Pela
Aspetti clinici inusuali e ingannevoli dell’acidosi tubulare renale distale all’esordio
Medico e Bambino 2011;30(5):329-330 https://www.medicoebambino.com/?id=1105_329.pdf


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