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Intratumoral consumption of indium‐111 labeled platelets in a patient with hemangiomatosis and intravascular coagulation (Kasabach‐merritt syndrome)
Author(s) -
Warrell Raymond P.,
Kempin Sanford J.,
Benua Richard S.,
Reiman Robert E.,
Young Charles W.
Publication year - 1983
Publication title -
cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.052
H-Index - 304
eISSN - 1097-0142
pISSN - 0008-543X
DOI - 10.1002/1097-0142(19831215)52:12<2256::aid-cncr2820521216>3.0.co;2-9
Subject(s) - platelet , medicine , vascularity , disseminated intravascular coagulation , coagulation , kasabach–merritt syndrome , spleen , pathology , radiology , hemangioma
Previous studies regarding sites of platelet destruction in patients with the Kasabach‐Merritt syndrome are conflicting. The authors recently studied an adult patient with multiple large hemangiomata, thrombocytopenia, and intravascular coagulation by external imaging following the injection of autologous Indium‐111 labeled platelets. Sequential images showed prompt accumulation of platelet‐associated radioactivity in areas within the right hemithorax which corresponded to certain tumors noted on the chest roentgenogram. Despite the presence of multiple other lesions in bone and soft tissues, platelet radioactivity was otherwise normally confined to liver and spleen. Using data obtained from serial images, it was shown that radioactivity within the thoracic masses actually increased over time. These data indicate that platelet consumption occurred as an active process and that localization was not a result of tumor vascularity. It is concluded that platelets are locally consumed within certain hemangiomata. However, within the same individual, there may exist considerable heterogeneity among these tumors with respect to platelet‐trapping ability. In similar patients with multiple tumors, indium‐platelet scanning might be used to direct local therapy to particular lesions in an effort to correct the thrombocytopenia. Cancer 52:256‐2260, 1983.