Platelet satellitism.

Platelet adherence to polymorphonuclear plasma m#{149}mbranes. Phagocytosis of leukocytes, or so-called platelet satellitplatelets was also observed. In vivo and ism, has, to our knowkdge, been reported in vitro platelet functions were normal. in only four patients. We had the opporPlatelet satellitism is an in vitro phenomtunity to study this phenomenon in two enon, the cause of which is unknown. We patients. Platelet satellitism was only are unable to relate it to functional abseen in EDTA anticoagulated blood, and normalitles of the blood, the clinical conthe platelets were seen to surround polydition of the patient, or to drugs. This morphonuclear leukocytes only. Electron phenomenon has some clinical importance microscopic studies demonstrated focally In that It causes spurious thrombocytoopposed regions of platelet and neutrophil penia.