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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Lung squamous cell carcinoma producing both parathyroid hormone-related peptide and granulocyte colony stimulating factor.

An autopsy case of a 61 year old male with primary squamous cell carcinoma of the lung with associated marked leukocytosis and hypercalcemia is reported. High levels of serum parathyroid hormone-related peptide ( PTHrP) and granulocyte colony stimulating factor ( GCSF) were detected. The tumor cells distinctly showed positive cytoplasmic immunoreactions with anti- PTHrP and anti- GCSF antibodies. Marked granulocytosis and thin bony trabeculae lacking osteoblasts were observed in the vertebral bone. Calcium deposits were found in the proximal tubules of the kidneys. Infarcts were seen as a result of fibrin thrombosis of the splenic artery. The tumor was successfully transplanted into nude mice in which the high levels of serum PTHrP and GCSF were reproduced. These results indicate that the tumor simultaneously produced both PTHrP and GCSF causing the paraneoplastic syndromes of hypercalcemia and leukocytosis.[1]

References

  1. Lung squamous cell carcinoma producing both parathyroid hormone-related peptide and granulocyte colony stimulating factor. Furihata, M., Sonobe, H., Iwata, J., Ido, E., Ohtsuki, Y., Asahi, Y., Kubonishi, I., Miyoshi, I. Pathol. Int. (1996) [Pubmed]
 
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