Isolated neutropenia caused by copper deficiency due to jejunal feeding and excessive zinc intake: A case report

doi:10.12998/wjcc.v9.i29.8825

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Oct 16, 2021 (publication date) through Oct 6, 2024

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World Journal of Clinical Cases

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2307-8960

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Clin Cases. Oct 16, 2021; 9(29): 8825-8830
Published online Oct 16, 2021. doi: 10.12998/wjcc.v9.i29.8825

Table 1 Laboratory data

Age		19 yr 4 mo	19 yr 6 mo	19 yr 9 mo	19 yr 10 mo	19 yr 11 mo
	RDA¹
Cu intake (mg/d)	0.9	1.0	1.0	1.98	1.98	1.98
Zn intake (mg/d)	11	22	22	18	18	18
Kcal		1080	1080	1076	1076	1076
	Normal ranges
WBC (/mm³)	3300-8600	5000	4800	2900	3700	4200
Neutrocyte (/mm³)		2475	1786	606	1166	1865
RBC × 10⁴(/mm³)	435-555	468	489	468	464	486
Hb (g/dL)	13.7-16.8	13.6	14.6	14.4	14.5	15.0
Platelets × 10⁴(/mm³)	15.8-34.8	28.5	18.8	18.8	21.6	20.0
Cu (μg/dL)	66-130	111	65	16	92	116
Zn (μg/dL)	80-130	53		106	86	70
Se (μg/dL)	10.6-17.4	92		99	109	84
Fe (μg/dL)	54-181	64	93		80	93
Ferritin (ng/mL)	25-280	54			111	96
Ceruloplasmin(mg/dL)	21-37	15.9		4.6	19.5	20.4

¹Recommended dietary allowance at the age of 18-29 years[11]. RDA: Recommended dietary allowance; Cu: Copper; Zn: Zinc; Kcal: Kilocalorie; WBC: White blood cell; RBC: Red blood cell; Hb: Hemoglobin; Se: Selenium; Fe: Iron.

Citation: Ohmori H, Kodama H, Takemoto M, Yamasaki M, Matsumoto T, Kumode M, Miyachi T, Sumimoto R. Isolated neutropenia caused by copper deficiency due to jejunal feeding and excessive zinc intake: A case report. World J Clin Cases 2021; 9(29): 8825-8830
URL: https://www.wjgnet.com/2307-8960/full/v9/i29/8825.htm
DOI: https://dx.doi.org/10.12998/wjcc.v9.i29.8825