Article

Granulocyte-colony stimulating factor-producing esophageal carcinosarcoma: a case report

Esophagus (impact factor: 0.66). 04/2012; 4(3):117-120. DOI:10.1007/s10388-007-0113-0 pp.117-120

ABSTRACT An 80-year-old man presented at our hospital with chest oppression and vomiting. An endoscopic examination revealed a tumor
in the lower portion of the esophagus, and the patient was diagnosed as possibly having esophageal carcinosarcoma based on
a histological examination of endoscopic biopsy specimens. During the initial medical examination, the patient had a high
leukocyte count and a high level of serum granulocyte-colony stimulating factor (G-CSF). Moreover, immunohistochemical examination
revealed cells that were positive for antibodies against G-CSF. Therefore, we diagnosed the patient as possibly having a G-CSF-producing
esophageal carcinosarcoma. The patient died of tumor 4 months after the initial diagnosis.

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    Article: An esophageal squamous cell carcinoma patient with high serum granulocyte-colony stimulating factor level: report of a case
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    ABSTRACT: We present herein a case of a patient who was clinically diagnosed as having a granulocyte-colony stimulating factor (G-CSF)-producing tumor on the basis of the close correlation of the hematological parameters with the tumor status and his high serum G-CSF level. A 76-year-old male patient underwent transthoracic radical esophagectomy for advanced carcinoma of the lower esophagus. His leukocyte count and serum G-CSF level were markedly high at 24 260/μl and 134 pg/ml, respectively, before the operation. By immunohistochemical staining of the resected tumor, focal but obvious expression of G-CSF was demonstrated in the cytoplasm of cancer cells, and neutrophilic infiltration was histologically observed in adjacent struma of the tumor invasion front. After surgery, the leukocyte count decreased to a nearly normal level but increased again when the disease recurred in the pleura and lymph nodes 5 months later. Although palliative chemoradiotherapy decreased the leukocyte count to a normal level transiently, leukocyte count again markedly increased when metastatic disease occurred. The leukocyte count reached 78 060/μl the day before the patient died.
    Esophagus 04/2012; 6(4):253-258. · 0.66 Impact Factor