A case of adult-onset Still's disease accompanied by pseudo-gray platelet syndrome

Sumiyo Miyakawa; Masashi Ohe; Haruki Shida; Tetsuya Horita; Ken Furuya; Satoshi Hashino

doi:10.5045/br.2017.52.3.231

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Blood Res 2017; 52(3):

Published online September 25, 2017

https://doi.org/10.5045/br.2017.52.3.231

A case of adult-onset Still's disease accompanied by pseudo-gray platelet syndrome

Sumiyo Miyakawa¹, Masashi Ohe^2*, Haruki Shida², Tetsuya Horita², Ken Furuya², and Satoshi Hashino³

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¹Department of Laboratory Medicine, JCHO Hokkaido Hospital, Sapporo, Japan.

²Department of Internal Medicine, JCHO Hokkaido Hospital, Sapporo, Japan.

³Hokkaido University, Health Care Center, Sapporo, Japan.

Correspondence to : Masashi Ohe. Department of Internal Medicine, JCHO Hokkaido Hospital, Nakanoshima 1 Jo, 8-chome 3-18, Sapporo 062-8618, Japan. masshi@isis.ocn.ne.jp

Received: December 14, 2016; Revised: January 30, 2017; Accepted: March 16, 2017

Article

Letter to the Editor

Blood Res 2017; 52(3): 231-233

Published online September 25, 2017 https://doi.org/10.5045/br.2017.52.3.231

A case of adult-onset Still's disease accompanied by pseudo-gray platelet syndrome

Sumiyo Miyakawa¹, Masashi Ohe^2*, Haruki Shida², Tetsuya Horita², Ken Furuya², and Satoshi Hashino³

¹Department of Laboratory Medicine, JCHO Hokkaido Hospital, Sapporo, Japan.

²Department of Internal Medicine, JCHO Hokkaido Hospital, Sapporo, Japan.

³Hokkaido University, Health Care Center, Sapporo, Japan.

Correspondence to:Masashi Ohe. Department of Internal Medicine, JCHO Hokkaido Hospital, Nakanoshima 1 Jo, 8-chome 3-18, Sapporo 062-8618, Japan. masshi@isis.ocn.ne.jp

Received: December 14, 2016; Revised: January 30, 2017; Accepted: March 16, 2017

Fig 1.

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Figure 1.

(A) Platelet counts of blood collected with ethylenediaminetetraacetic acid (EDTA), heparin, and sodium citrate and examined at 0 min, 30 min, and 120 min after venipuncture. (B) Serotonin levels of the patient and a normal control subject in blood collected with EDTA examined at 30 min and 90 min after venipuncture.

Blood Research 2017; 52: 231-233https://doi.org/10.5045/br.2017.52.3.231

Fig 2.

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Figure 2.

(A) An ethylenediaminetetraacetic acid (EDTA) blood film 0 min after venipuncture shows agranular platelets (also called gray platelets) (arrow) partly aggregated (arrowhead) and normal platelets (×400, Wright-Giemsa stain). (B) An EDTA blood film 30 min after venipuncture shows middle-sized, aggregated agranular platelets (arrowhead) (×400, Wright-Giemsa stain). (C) An EDTA blood film 120 min after venipuncture shows giant, aggregated agranular platelets (arrowhead) (×400, Wright-Giemsa stain). (D) An EDTA blood film 120 min after venipuncture shows normal platelets, approximately 2 months after discharge (×400, Wright-Giemsa stain).

Blood Research 2017; 52: 231-233https://doi.org/10.5045/br.2017.52.3.231