Pseudo-pseudohypercalcaemia, apparent primary hyperparathyroidism and Waldenström's macroglobulinaemia.
An apparent primary hyperparathyroidism was reported due to pseudo-pseudohypercalcaemia in a 74-year-old man with Waldenström's macroglobulinaemia. It is important to recognise artificially elevated serum calcium levels so as to avoid erroneous diagnosis, unnecessary investigations and potentially inappropriate treatment.
Elfatih
A
A
Department of Clinical Biochemistry, Whipps Cross University Hospital, Leytonstone, London, UK. abubaker.elfatih@whippsx.nhs.uk
Anderson
N R
NR
Fahie-Wilson
M N
MN
Gama
R
R
D000368:Aged; D003951:Diagnostic Errors; D005189:False Positive Reactions; D006801:Humans; D006934:Hypercalcemia / Q000175:diagnosis* / Q000209:etiology; D049950:Hyperparathyroidism, Primary / Q000175:diagnosis* / Q000209:etiology; D008297:Male; D008258:Waldenstrom Macroglobulinemia / Q000150:complications*