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Case presentation
A 48-year-old man was referred to the outpatient clinic because of fatigue and an elevated haemoglobin level of 19.4 g/dL. His relevant medical history only revealed psychosis. He had quit cigarette smoking for several years. His daily medication schedule consisted of valproic acid 1500 mg, quetiapine 400 mg and lormetazepam 1 mg daily. There were no clinical abnormalities besides a body mass index of 28.3 kg/m².
Since primary erythrocytosis was not excluded initially, venesections were performed three times. Meanwhile, diagnostic work-up took place. Serum erythropoietin levels and V617F JAK-2 mutation were normal. Red blood cell mass nuclear scintigraphy showed an absolute elevation in red …
Footnotes
Prior publication: The case was presented as a poster at the annual meeting of the Belgian Society of Pneumology (05-12-2015, Brussels Belgium) and won the second prize in the J.C. Yernault award. https://www.bvp-sbp.org/index.php/nl/awards-fellowships/jcynl
Contributors SVL, TD, BB and KN treated the patient. NEDM performed the literature research. All authors wrote and corrected the manuscript in a substantial way. BB and KN contributed equally to the manuscript.
Competing interests None declared.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.