PROBLEM TO BE SOLVED: To provide a circulating tumor cell measuring apparatus capable of accurately and swiftly measuring circulating tumor cells in vivo non-invasively.SOLUTION: The circulating tumor cell measuring apparatus 1 includes: a light source 3 for emitting light a wavelength variable filter 4 which transmits light of a prescribed wavelength range of the incident light emitted from a marking agent to outside the living body when the marking agent is irradiated with the light, and which can change the wavelength range an area sensor 5 (a photodetection means) for detecting the intensity of the incident light through the wavelength variable filter 4 to acquire the distribution of intensity of the light emitted from a plurality of positions of a target for measurement and a DSP 6 (an arithmetic operation means) for computing the concentration of the marking agent and the degree of binding with the target based on the distribution of the light intensity acquired by the area sensor 5.COPYRIGHT: (C)2011,JPO&INPIT【課題】非侵襲で生体内の循環腫瘍細胞を正確かつ迅速に測定できる循環腫瘍細胞測定装置を提供する。【解決手段】本発明の循環腫瘍細胞測定装置1は、光を照射する光源3と、標識剤に光が照射された際に標識剤から生体外に放出される光が入射され、所定の波長域の光を透過するとともに、波長域を変更可能な波長可変フィルター4と、波長可変フィルター4を通して入射された光の強度を検出して測定対象の複数位置から放出される光の強度分布を取得するエリアセンサー5(光検出手段)と、エリアセンサー5が取得した光強度分布に基づいて標識剤の濃度と対象物との結合度を算出するDSP6(演算手段)と、を備えている。【選択図】図1
