This is consistent with FHH. See Gunn IR, Wallace JR Ann Clin Biochem
1992;29:52-58.
You should measure fasting urine calcium excretion on a spot urine. In
Gunn's paper the PTH values in FHH patients by an intact PTH assay can
extend up toward the top of the reference range.
Regards
Bruce
****************************************
Bruce Campbell FRCPA FAACB
Sullivan Nicolaides Pathology
Ph 61 (0)7 3377 8672
Fax 61 (0)7 3870 5989
Email [log in to unmask]
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biochemistry discussion cc:
list Subject: Hypercalcaemia hypocalciuria?
<ACB-CLIN-CHEM-GEN@JISCM
AIL.AC.UK>
12/03/03 02:49
Please respond to
Helen.Grimes
65 year old female, Calcium varying around 2.6 -2.65 mmol/L,(in general she
has had an albumin around 48 g/l, with Calcium of 2.78, so I have applied
the rough correction) PTH 29 (our RR 10-65), normal renal function, Urinary
Calcium (collected into acid) 1.7 mmol/L. Is this is a Hypercalcaemia
hypocalciuric patient, and if so, does anyone know whether the PTH should
be
suppressed more than this in these patients?
____________________________________________________________
Dr. Helen Grimes, Dept. of Clinical Biochemistry, UCH, Galway, Ireland
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