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Diagnosing HSP can be difficult, especially when abdominal symptoms precede the onset of characteristic palpable purpura (Chen MJ et al. 2005, World Gastroenterol., 11, 2354). Therefore, it is necessary to consider the possibility of HSP in patients with prolonged strong abdominal pain, even in cases without purpura.
The concept of injecting anti-tumor antibodies to localize tumors was first introduced in experimental systems by Pressman (1957). Since then, various trials for tumor detection have been performed using anti-tumor antibodies. In 1970's, the radioimmunodetection of cancer has rapidly developed by the use of radioantibodies to oncofetal proteins such as CEA,… (More)