爱康国宾回应“张女士体检”事件：否认漏诊误诊，已提起诉讼

Core Viewpoint - Aikang Group held a media briefing to address the recent controversy regarding a patient, Ms. Zhang, who claimed that her kidney cancer was not detected during ten years of health check-ups. The company denied any malpractice and announced a formal lawsuit against Ms. Zhang for defamation [1][3]. Group 1: Company Response - Aikang Group refuted allegations of diagnostic errors in Ms. Zhang's kidney examinations and stated that her claims about the ultrasound report were fabricated [3]. - The company emphasized that early diagnosis of kidney cancer primarily relies on imaging techniques (CT/MRI) rather than blood tests, as per the NCCN guidelines [3]. - Aikang Group provided evidence of quality control for Ms. Zhang's cancer marker tests, asserting that all data is traceable and available for government verification [3][4]. Group 2: Medical Practices and Regulations - Aikang Group explained that the preservation period for blood samples is typically 1-7 days, making it impossible to provide ten years' worth of samples as requested by Ms. Zhang [4]. - The company confirmed that all medical personnel are certified and that all equipment and reagents comply with national regulations, ensuring strict adherence to quality control standards [4]. Group 3: Patient History and Diagnosis - Aikang Group outlined Ms. Zhang's medical history, indicating that her ultrasound in October 2023 suggested possible kidney tumors, and subsequent tests led to a diagnosis of early-stage kidney cancer in November 2024 [5]. - It was noted that Ms. Zhang was later diagnosed with metastatic kidney cancer in February 2025 after further examinations [5]. Group 4: Public Perception and Misunderstanding - Aikang Group's CEO highlighted the public's misconceptions regarding the capabilities of routine health check-ups, stating that a basic health check cannot replace comprehensive medical diagnostics [7]. - The CEO pointed out that the cost of routine check-ups is significantly lower than that of specialized medical consultations, which may lead to unrealistic expectations from patients [7].