A rare case of Gitelman's syndrome presenting with hypocalcemia and osteopenia

A. Nakamura, C. Shimizu, S. Nagai, S. Taniguchi, M. Umetsu, T. Atsumi, N. Yoshioka, Y. Ono, T. Tajima, M. Kubo, T. Koike

研究成果: Article査読

4 被引用数 (Scopus)


Gitelman's syndrome (GS), an autosomal recessive disorder caused by a defect of the thiazide-sensitive Na-CI cotransporter (TSC) at the distal tubule, is characterized by hyperreninemic hyperaldosteronism with normal or low blood pressure, hypokalemia, metabolic alkalosis, hypomagnesemia and hypocalciuria. An 18-yr-old Japanese man was admitted to our hospital with a history of muscle weakness and transient tetanic episodes. He showed hypocalcemia in addition to hypokalemia, severe hypomagnesemia, hypocalciuria and hyperreninemic hyperaldosteronism with normal blood pressure. Furthermore, bone mineral density at the lumbar spine revealed osteopenia. A diagnosis of GS was made on the basis of clinical features, laboratory data and renal function test. The electrolyte imbalance was corrected and bone mineral density was slightly increased with chronic treatment of magnesium and potassium salts. Genetic analysis revealed that TSC gene of the patient has a heterozygous C to A nucleotide substitution at position 545 in exon 4, which causes a threonine (Thr) to lysine (Lys) substitution at position 180. This is a rare case of GS with hypocalcemia and osteopenia which could be caused by severe hypomagnesemia.

ジャーナルJournal of Endocrinological Investigation
出版ステータスPublished - 2005

ASJC Scopus subject areas

  • 内分泌学、糖尿病および代謝内科学
  • 内分泌学


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