Persistent neutrophilia occurring after pneumonia

a differential diagnosis of neutrophilia based on the WHO classification

Takatsune Shimizu, Yoshitaka Miyakawa, Takayuki Mitsuhashi, Tsunayuki Kakimoto, Yasuo Ikeda, Masahiro Kizaki, Takashi Hagiwara

Research output: Contribution to journalArticle

Abstract

We experienced a 85-year-old female patient with granulocytosis, which occurred after the bacterial pneumonia. The white blood cell counts remained high between 30,000/microl and 120,000/microl for around one year. As the serum G-CSF level was within the normal range and there were no tumors on CT scan images, the existence of G-CSF-producing solid tumors was unlikely. Bone marrow examination revealed hypercellularity without excess of blasts and hiatus leukemia, accompanied by mild dysplasia in myeloid cells and megakaryocytes. No chromosomal abnormalities in bone marrow samples were seen with G-banding and multi-color FISH methods. Major/minor BCR-ABL fusion genes were negative by RT-PCR. As previously reported by several investigators, we often experience difficulties in distinguishing atypical CML from CNL and CMML. In this report, we discussed how to diagnose the cause of granulocytosis based on a literature review.

Original languageEnglish
Pages (from-to)532-535
Number of pages4
Journal[Rinshō ketsueki] The Japanese journal of clinical hematology
Volume46
Issue number7
Publication statusPublished - 2005

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Granulocyte Colony-Stimulating Factor
Pneumonia
Differential Diagnosis
Bone Marrow Examination
Bacterial Pneumonia
Megakaryocytes
Gene Fusion
Myeloid Cells
Leukocyte Count
Chromosome Aberrations
Neoplasms
Leukemia
Reference Values
Color
Bone Marrow
Research Personnel
Polymerase Chain Reaction
Serum

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Persistent neutrophilia occurring after pneumonia : a differential diagnosis of neutrophilia based on the WHO classification. / Shimizu, Takatsune; Miyakawa, Yoshitaka; Mitsuhashi, Takayuki; Kakimoto, Tsunayuki; Ikeda, Yasuo; Kizaki, Masahiro; Hagiwara, Takashi.

In: [Rinshō ketsueki] The Japanese journal of clinical hematology, Vol. 46, No. 7, 2005, p. 532-535.

Research output: Contribution to journalArticle

Shimizu, Takatsune ; Miyakawa, Yoshitaka ; Mitsuhashi, Takayuki ; Kakimoto, Tsunayuki ; Ikeda, Yasuo ; Kizaki, Masahiro ; Hagiwara, Takashi. / Persistent neutrophilia occurring after pneumonia : a differential diagnosis of neutrophilia based on the WHO classification. In: [Rinshō ketsueki] The Japanese journal of clinical hematology. 2005 ; Vol. 46, No. 7. pp. 532-535.
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